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|
#! /bin/sh
#
# If these # comments don't work, trim them. Don't worry about any other
# shell scripts, Configure will trim # comments from them for you.
#
# (If you are trying to port this package to a machine without sh,
# I would suggest you have a look at the prototypical config_h.SH file
# and edit it to reflect your system. Some packages may include samples
# of config.h for certain machines, so you might look for one of those.)
#
# Yes, you may rip this off to use in other distribution packages. This
# script belongs to the public domain and cannot be copyrighted.
#
# (Note: this Configure script was generated automatically. Rather than
# working with this copy of Configure, you may wish to get metaconfig.
# The dist-3.0 package (which contains metaconfig) was posted in
# comp.sources.misc and is available on CPAN under authors/id/RAM so
# you may fetch it yourself from your nearest archive site.)
#
# $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
#
# Generated on Thu Jul 13 16:16:41 EET DST 2000 [metaconfig 3.0 PL70]
# (with additional metaconfig patches by perlbug@perl.com)
cat >/tmp/c1$$ <<EOF
ARGGGHHHH!!!!!
SCO csh still thinks true is false. Write to SCO today and tell them that next
year Configure ought to "rm /bin/csh" unless they fix their blasted shell. :-)
(Actually, Configure ought to just patch csh in place. Hmm. Hmmmmm. All
we'd have to do is go in and swap the && and || tokens, wherever they are.)
[End of diatribe. We now return you to your regularly scheduled programming...]
EOF
cat >/tmp/c2$$ <<EOF
OOPS! You naughty creature! You didn't run Configure with sh!
I will attempt to remedy the situation by running sh for you...
EOF
true || cat /tmp/c1$$ /tmp/c2$$
true || exec sh $0 $argv:q
(exit $?0) || cat /tmp/c2$$
(exit $?0) || exec sh $0 $argv:q
rm -f /tmp/c1$$ /tmp/c2$$
: compute my invocation name
me=$0
case "$0" in
*/*)
me=`echo $0 | sed -e 's!.*/\(.*\)!\1!' 2>/dev/null`
test "$me" || me=$0
;;
esac
: Proper separator for the PATH environment variable
p_=:
: On OS/2 this directory should exist if this is not floppy only system :-]
if test -d c:/. ; then
if test -n "$OS2_SHELL"; then
p_=\;
PATH=`cmd /c "echo %PATH%" | tr '\\\\' / `
OS2_SHELL=`cmd /c "echo %OS2_SHELL%" | tr '\\\\' / | tr '[A-Z]' '[a-z]'`
elif test -n "$DJGPP"; then
p_=\;
fi
fi
: Proper PATH setting
paths='/bin /usr/bin /usr/local/bin /usr/ucb /usr/local /usr/lbin'
paths="$paths /opt/bin /opt/local/bin /opt/local /opt/lbin"
paths="$paths /usr/5bin /etc /usr/gnu/bin /usr/new /usr/new/bin /usr/nbin"
paths="$paths /opt/gnu/bin /opt/new /opt/new/bin /opt/nbin"
paths="$paths /sys5.3/bin /sys5.3/usr/bin /bsd4.3/bin /bsd4.3/usr/ucb"
paths="$paths /bsd4.3/usr/bin /usr/bsd /bsd43/bin /usr/ccs/bin"
paths="$paths /etc /usr/lib /usr/ucblib /lib /usr/ccs/lib"
paths="$paths /sbin /usr/sbin /usr/libexec"
for p in $paths
do
case "$p_$PATH$p_" in
*$p_$p$p_*) ;;
*) test -d $p && PATH=$PATH$p_$p ;;
esac
done
PATH=.$p_$PATH
export PATH
: shall we be using ksh?
inksh=''
needksh=''
avoidksh=''
newsh=/bin/ksh
changesh=''
if (PATH=.; alias -x) >/dev/null 2>&1; then
inksh=true
fi
if test -f /hp-ux -a -f /bin/ksh; then
needksh='to avoid sh bug in "here document" expansion'
fi
if test -d /usr/lpp -a -f /usr/bin/bsh -a -f /usr/bin/uname; then
if test X`/usr/bin/uname -v` = X4; then
avoidksh="to avoid AIX 4's /bin/sh"
newsh=/usr/bin/bsh
fi
fi
if test -f /osf_boot -a -f /usr/sbin/setld; then
if test X`/usr/bin/uname -s` = XOSF1; then
avoidksh="to avoid Digital UNIX' ksh"
newsh=/bin/sh
unset BIN_SH # if this is 'xpg4' sh will start up ksh
fi
fi
case "$inksh/$needksh" in
/[a-z]*)
ENV=''
changesh=true
reason="$needksh"
;;
esac
case "$inksh/$avoidksh" in
true/[a-z]*)
changesh=true
reason="$avoidksh"
;;
esac
case "$inksh/$needksh-$avoidksh-" in
true/--)
cat <<EOM
(I see you are using the Korn shell. Some ksh's blow up on $me,
mainly on older exotic systems. If yours does, try the Bourne shell instead.)
EOM
;;
esac
case "$changesh" in
true)
echo "(Feeding myself to $newsh $reason.)"
case "$0" in
Configure|*/Configure) exec $newsh $0 "$@";;
*) exec $newsh Configure "$@";;
esac
;;
esac
: if needed set CDPATH to a harmless value that is not chatty
: avoid bash 2.02 problems with empty CDPATH.
case "$CDPATH" in
'') ;;
*) case "$SHELL" in
*bash*) CDPATH='.' ;;
*) CDPATH='' ;;
esac
;;
esac
: Configure runs within the UU subdirectory
test -d UU || mkdir UU
cd UU && rm -f ./*
ccsymbols=''
cppccsymbols=''
cppsymbols=''
dynamic_ext=''
extensions=''
known_extensions=''
nonxs_ext=''
static_ext=''
useopcode=''
useposix=''
d_bsd=''
d_eunice=''
d_xenix=''
eunicefix=''
Mcc=''
ar=''
awk=''
bash=''
bison=''
byacc=''
cat=''
chgrp=''
chmod=''
chown=''
comm=''
compress=''
cp=''
cpio=''
cpp=''
csh=''
date=''
echo=''
egrep=''
emacs=''
expr=''
find=''
flex=''
grep=''
gzip=''
inews=''
ksh=''
less=''
line=''
lint=''
ln=''
lp=''
lpr=''
ls=''
mail=''
mailx=''
make=''
mkdir=''
more=''
mv=''
nm=''
nroff=''
perl=''
pg=''
pmake=''
pr=''
rm=''
rmail=''
sed=''
sendmail=''
shar=''
sleep=''
smail=''
sort=''
submit=''
tail=''
tar=''
tbl=''
tee=''
test=''
touch=''
tr=''
troff=''
uname=''
uniq=''
uuname=''
vi=''
zcat=''
zip=''
full_ar=''
full_sed=''
libswanted=''
hint=''
myuname=''
osname=''
osvers=''
Author=''
Date=''
Header=''
Id=''
Locker=''
Log=''
RCSfile=''
Revision=''
Source=''
State=''
_a=''
_exe=''
_o=''
archobjs=''
exe_ext=''
firstmakefile=''
lib_ext=''
obj_ext=''
path_sep=''
afs=''
alignbytes=''
ansi2knr=''
archlib=''
archlibexp=''
d_archlib=''
installarchlib=''
archname=''
myarchname=''
d_atolf=''
d_atoll=''
baserev=''
bin=''
binexp=''
installbin=''
bincompat5005=''
d_bincompat5005=''
byteorder=''
cc=''
ccflags=''
cppflags=''
ldflags=''
lkflags=''
locincpth=''
optimize=''
cf_email=''
cf_by=''
cf_time=''
charsize=''
contains=''
cpp_stuff=''
cpplast=''
cppminus=''
cpprun=''
cppstdin=''
crosscompile=''
d_access=''
d_accessx=''
d_alarm=''
d_attribut=''
d_bcmp=''
d_bcopy=''
d_bzero=''
d_casti32=''
castflags=''
d_castneg=''
d_chown=''
d_chroot=''
d_chsize=''
d_closedir=''
d_void_closedir=''
d_const=''
cryptlib=''
d_crypt=''
d_csh=''
full_csh=''
d_cuserid=''
d_dbl_dig=''
d_difftime=''
d_dlerror=''
d_dlopen=''
d_dlsymun=''
d_dosuid=''
d_suidsafe=''
d_drand48proto=''
d_dup2=''
d_eaccess=''
d_endgrent=''
d_endhent=''
d_endnent=''
d_endpent=''
d_endpwent=''
d_endsent=''
d_fchmod=''
d_fchown=''
d_fcntl=''
d_fd_macros=''
d_fd_set=''
d_fds_bits=''
d_fgetpos=''
d_flexfnam=''
d_flock=''
d_fork=''
d_fpos64_t=''
d_frexpl=''
d_fs_data_s=''
d_fseeko=''
d_fsetpos=''
d_fstatfs=''
d_ftello=''
d_ftime=''
d_gettimeod=''
d_Gconvert=''
d_getcwd=''
d_getespwnam=''
d_getfsstat=''
d_getgrent=''
d_getgrps=''
d_gethbyaddr=''
d_gethbyname=''
d_gethent=''
aphostname=''
d_gethname=''
d_phostname=''
d_uname=''
d_gethostprotos=''
d_getlogin=''
d_getmnt=''
d_getmntent=''
d_getnbyaddr=''
d_getnbyname=''
d_getnent=''
d_getnetprotos=''
d_getpent=''
d_getpgid=''
d_getpgrp2=''
d_bsdgetpgrp=''
d_getpgrp=''
d_getppid=''
d_getprior=''
d_getpbyname=''
d_getpbynumber=''
d_getprotoprotos=''
d_getprpwnam=''
d_getpwent=''
d_getsent=''
d_getservprotos=''
d_getspnam=''
d_getsbyname=''
d_getsbyport=''
d_gnulibc=''
d_hasmntopt=''
d_htonl=''
d_iconv=''
d_inetaton=''
d_int64_t=''
d_isascii=''
d_isnan=''
d_isnanl=''
d_killpg=''
d_lchown=''
d_ldbl_dig=''
d_link=''
d_locconv=''
d_lockf=''
d_longdbl=''
longdblsize=''
d_longlong=''
longlongsize=''
d_lseekproto=''
d_lstat=''
d_madvise=''
d_mblen=''
d_mbstowcs=''
d_mbtowc=''
d_memchr=''
d_memcmp=''
d_memcpy=''
d_memmove=''
d_memset=''
d_mkdir=''
d_mkdtemp=''
d_mkfifo=''
d_mkstemp=''
d_mkstemps=''
d_mktime=''
d_mmap=''
mmaptype=''
d_modfl=''
d_mprotect=''
d_msg=''
d_msgctl=''
d_msgget=''
d_msgrcv=''
d_msgsnd=''
d_msync=''
d_munmap=''
d_nice=''
d_off64_t=''
d_open3=''
d_fpathconf=''
d_pathconf=''
d_pause=''
d_pipe=''
d_poll=''
d_portable=''
d_old_pthread_create_joinable=''
old_pthread_create_joinable=''
d_pthread_yield=''
d_sched_yield=''
sched_yield=''
d_qgcvt=''
d_readdir=''
d_rewinddir=''
d_seekdir=''
d_telldir=''
d_readlink=''
d_rename=''
d_rmdir=''
d_safebcpy=''
d_safemcpy=''
d_sanemcmp=''
d_select=''
d_sem=''
d_semctl=''
d_semget=''
d_semop=''
d_setegid=''
d_seteuid=''
d_setgrent=''
d_setgrps=''
d_sethent=''
d_setlinebuf=''
d_setlocale=''
d_setnent=''
d_setpent=''
d_setpgid=''
d_setpgrp2=''
d_bsdsetpgrp=''
d_setpgrp=''
d_setprior=''
d_setpwent=''
d_setregid=''
d_setresgid=''
d_setresuid=''
d_setreuid=''
d_setrgid=''
d_setruid=''
d_setsent=''
d_setsid=''
d_setvbuf=''
d_sfio=''
usesfio=''
d_shm=''
d_shmat=''
d_shmatprototype=''
shmattype=''
d_shmctl=''
d_shmdt=''
d_shmget=''
d_sigaction=''
d_sigsetjmp=''
d_msg_ctrunc=''
d_msg_dontroute=''
d_msg_oob=''
d_msg_peek=''
d_msg_proxy=''
d_oldsock=''
d_scm_rights=''
d_socket=''
d_sockpair=''
sockethdr=''
socketlib=''
d_socklen_t=''
d_sqrtl=''
d_statblks=''
d_statfs_f_flags=''
d_statfs_s=''
d_fstatvfs=''
d_statvfs=''
d_stdio_cnt_lval=''
d_stdio_ptr_lval=''
d_stdiobase=''
d_stdstdio=''
stdio_base=''
stdio_bufsiz=''
stdio_cnt=''
stdio_filbuf=''
stdio_ptr=''
d_index=''
d_strchr=''
d_strcoll=''
d_strctcpy=''
d_strerrm=''
d_strerror=''
d_sysernlst=''
d_syserrlst=''
d_strtod=''
d_strtol=''
d_strtold=''
d_strtoll=''
d_strtoul=''
d_strtoull=''
d_strtouq=''
d_strxfrm=''
d_symlink=''
d_syscall=''
d_sysconf=''
d_system=''
d_tcgetpgrp=''
d_tcsetpgrp=''
d_telldirproto=''
d_time=''
timetype=''
clocktype=''
d_times=''
d_truncate=''
d_tzname=''
d_umask=''
d_semctl_semid_ds=''
d_semctl_semun=''
d_union_semun=''
d_ustat=''
d_vfork=''
usevfork=''
d_voidsig=''
signal_t=''
d_volatile=''
d_charvspr=''
d_vprintf=''
d_wait4=''
d_waitpid=''
d_wcstombs=''
d_wctomb=''
dlext=''
cccdlflags=''
ccdlflags=''
dlsrc=''
ld=''
lddlflags=''
usedl=''
doublesize=''
ebcdic=''
fflushNULL=''
fflushall=''
fpossize=''
fpostype=''
gccversion=''
gidformat=''
gidsign=''
gidsize=''
gidtype=''
groupstype=''
h_fcntl=''
h_sysfile=''
i_arpainet=''
db_hashtype=''
db_prefixtype=''
i_db=''
i_dbm=''
i_rpcsvcdbm=''
d_dirnamlen=''
direntrytype=''
i_dirent=''
i_dld=''
i_dlfcn=''
i_fcntl=''
i_float=''
i_gdbm=''
d_grpasswd=''
i_grp=''
i_iconv=''
i_ieeefp=''
i_inttypes=''
i_limits=''
i_locale=''
i_machcthr=''
i_malloc=''
i_math=''
i_memory=''
i_mntent=''
i_ndbm=''
i_netdb=''
i_neterrno=''
i_netinettcp=''
i_niin=''
i_sysin=''
i_poll=''
i_prot=''
i_pthread=''
d_pwage=''
d_pwchange=''
d_pwclass=''
d_pwcomment=''
d_pwexpire=''
d_pwgecos=''
d_pwpasswd=''
d_pwquota=''
i_pwd=''
i_sfio=''
i_shadow=''
i_socks=''
i_stddef=''
i_stdlib=''
i_string=''
strings=''
i_sunmath=''
i_sysaccess=''
i_sysdir=''
i_sysfile=''
d_voidtty=''
i_bsdioctl=''
i_sysfilio=''
i_sysioctl=''
i_syssockio=''
i_syslog=''
i_sysmman=''
i_sysmode=''
i_sysmount=''
i_sysndir=''
i_sysparam=''
i_sysresrc=''
i_syssecrt=''
i_sysselct=''
i_sysstat=''
i_sysstatfs=''
i_sysstatvfs=''
i_systimes=''
i_systypes=''
i_sysuio=''
i_sysun=''
i_sysutsname=''
i_sysvfs=''
i_syswait=''
i_sgtty=''
i_termio=''
i_termios=''
i_systime=''
i_systimek=''
i_time=''
timeincl=''
i_unistd=''
i_ustat=''
i_utime=''
i_values=''
i_stdarg=''
i_varargs=''
i_varhdr=''
i_vfork=''
inc_version_list=''
inc_version_list_init=''
installprefix=''
installprefixexp=''
installstyle=''
installusrbinperl=''
intsize=''
longsize=''
shortsize=''
libc=''
ldlibpthname=''
libperl=''
shrpenv=''
useshrplib=''
glibpth=''
libpth=''
loclibpth=''
plibpth=''
xlibpth=''
ignore_versioned_solibs=''
libs=''
libsdirs=''
libsfiles=''
libsfound=''
libspath=''
lns=''
d_PRIEldbl=''
d_PRIFldbl=''
d_PRIGldbl=''
d_PRIeldbl=''
d_PRIfldbl=''
d_PRIgldbl=''
sPRIEldbl=''
sPRIFldbl=''
sPRIGldbl=''
sPRIeldbl=''
sPRIfldbl=''
sPRIgldbl=''
lseeksize=''
lseektype=''
make_set_make=''
d_mymalloc=''
freetype=''
mallocobj=''
mallocsrc=''
malloctype=''
usemymalloc=''
installman1dir=''
man1dir=''
man1direxp=''
man1ext=''
installman3dir=''
man3dir=''
man3direxp=''
man3ext=''
huge=''
large=''
medium=''
models=''
small=''
split=''
modetype=''
multiarch=''
mydomain=''
myhostname=''
phostname=''
c=''
n=''
d_eofnblk=''
eagain=''
o_nonblock=''
rd_nodata=''
netdb_hlen_type=''
netdb_host_type=''
netdb_name_type=''
netdb_net_type=''
groupcat=''
hostcat=''
passcat=''
orderlib=''
ranlib=''
d_perl_otherlibdirs=''
otherlibdirs=''
package=''
spackage=''
pager=''
api_revision=''
api_subversion=''
api_version=''
api_versionstring=''
patchlevel=''
revision=''
subversion=''
version=''
perl5=''
perladmin=''
perlpath=''
d_nv_preserves_uv=''
d_nv_preserves_uv_bits=''
i16size=''
i16type=''
i32size=''
i32type=''
i64size=''
i64type=''
i8size=''
i8type=''
ivsize=''
ivtype=''
nvsize=''
nvtype=''
u16size=''
u16type=''
u32size=''
u32type=''
u64size=''
u64type=''
u8size=''
u8type=''
uvsize=''
uvtype=''
ivdformat=''
uvoformat=''
uvuformat=''
uvxformat=''
pidtype=''
prefix=''
prefixexp=''
installprivlib=''
privlib=''
privlibexp=''
prototype=''
ptrsize=''
d_PRIX64=''
d_PRId64=''
d_PRIi64=''
d_PRIo64=''
d_PRIu64=''
d_PRIx64=''
sPRIX64=''
sPRId64=''
sPRIi64=''
sPRIo64=''
sPRIu64=''
sPRIx64=''
d_quad=''
quadkind=''
quadtype=''
uquadtype=''
drand01=''
randbits=''
randfunc=''
randseedtype=''
seedfunc=''
installscript=''
scriptdir=''
scriptdirexp=''
selectminbits=''
selecttype=''
sh=''
sig_count=''
sig_name=''
sig_name_init=''
sig_num=''
sig_num_init=''
installsitearch=''
sitearch=''
sitearchexp=''
installsitebin=''
sitebin=''
sitebinexp=''
installsitelib=''
sitelib=''
sitelib_stem=''
sitelibexp=''
siteprefix=''
siteprefixexp=''
sizesize=''
sizetype=''
so=''
socksizetype=''
sharpbang=''
shsharp=''
spitshell=''
src=''
ssizetype=''
startperl=''
startsh=''
stdchar=''
d_stdio_stream_array=''
stdio_stream_array=''
sysman=''
trnl=''
uidformat=''
uidsign=''
uidsize=''
uidtype=''
archname64=''
use64bitall=''
use64bitint=''
uselargefiles=''
uselongdouble=''
usemorebits=''
usemultiplicity=''
nm_opt=''
nm_so_opt=''
runnm=''
usenm=''
useperlio=''
usesocks=''
d_oldpthreads=''
use5005threads=''
useithreads=''
usethreads=''
incpath=''
mips_type=''
usrinc=''
d_vendorarch=''
installvendorarch=''
vendorarch=''
vendorarchexp=''
d_vendorbin=''
installvendorbin=''
vendorbin=''
vendorbinexp=''
d_vendorlib=''
installvendorlib=''
vendorlib=''
vendorlib_stem=''
vendorlibexp=''
usevendorprefix=''
vendorprefix=''
vendorprefixexp=''
defvoidused=''
voidflags=''
pm_apiversion=''
xs_apiversion=''
CONFIG=''
define='define'
undef='undef'
smallmach='pdp11 i8086 z8000 i80286 iAPX286'
rmlist=''
: We must find out about Eunice early
eunicefix=':'
if test -f /etc/unixtovms; then
eunicefix=/etc/unixtovms
fi
if test -f /etc/unixtovms.exe; then
eunicefix=/etc/unixtovms.exe
fi
i_whoami=''
: set useposix=false in your hint file to disable the POSIX extension.
useposix=true
: set useopcode=false in your hint file to disable the Opcode extension.
useopcode=true
: Trailing extension. Override this in a hint file, if needed.
_exe=''
: Extra object files, if any, needed on this platform.
archobjs=''
: Possible local include directories to search.
: Set locincpth to "" in a hint file to defeat local include searches.
locincpth="/usr/local/include /opt/local/include /usr/gnu/include"
locincpth="$locincpth /opt/gnu/include /usr/GNU/include /opt/GNU/include"
:
: no include file wanted by default
inclwanted=''
groupstype=''
: change the next line if compiling for Xenix/286 on Xenix/386
xlibpth='/usr/lib/386 /lib/386'
: Possible local library directories to search.
loclibpth="/usr/local/lib /opt/local/lib /usr/gnu/lib"
loclibpth="$loclibpth /opt/gnu/lib /usr/GNU/lib /opt/GNU/lib"
: general looking path for locating libraries
glibpth="/usr/lib/large /lib /usr/lib $xlibpth"
glibpth="$glibpth /lib/large /usr/lib/small /lib/small"
glibpth="$glibpth /usr/ccs/lib /usr/ucblib /usr/local/lib"
test -f /usr/shlib/libc.so && glibpth="/usr/shlib $glibpth"
test -f /shlib/libc.so && glibpth="/shlib $glibpth"
: Private path used by Configure to find libraries. Its value
: is prepended to libpth. This variable takes care of special
: machines, like the mips. Usually, it should be empty.
plibpth=''
: default library list
libswanted=''
: some systems want to use only the non-versioned libso:s
ignore_versioned_solibs=''
: set usemultiplicity on the Configure command line to enable multiplicity.
: set usesocks on the Configure command line to enable socks.
: set usethreads on the Configure command line to enable threads.
: full support for void wanted by default
defvoidused=15
: List of libraries we want.
: If anyone needs -lnet, put it in a hint file.
libswanted='sfio socket bind inet nsl nm ndbm gdbm dbm db malloc dl'
libswanted="$libswanted dld ld sun m c cposix posix"
libswanted="$libswanted ndir dir crypt sec"
libswanted="$libswanted ucb bsd BSD PW x iconv"
: We probably want to search /usr/shlib before most other libraries.
: This is only used by the lib/ExtUtils/MakeMaker.pm routine extliblist.
glibpth=`echo " $glibpth " | sed -e 's! /usr/shlib ! !'`
glibpth="/usr/shlib $glibpth"
: Do not use vfork unless overridden by a hint file.
usevfork=false
: Find the basic shell for Bourne shell scripts
case "$sh" in
'')
case "$SYSTYPE" in
*bsd*|sys5*) xxx="/$SYSTYPE/bin/sh";;
*) xxx='/bin/sh';;
esac
if test -f "$xxx"; then
sh="$xxx"
else
: Build up a list and do a single loop so we can 'break' out.
pth=`echo $PATH | sed -e "s/$p_/ /g"`
for xxx in sh bash ksh pdksh ash; do
for p in $pth; do
try="$try ${p}/${xxx}"
done
done
for xxx in $try; do
if test -f "$xxx"; then
sh="$xxx";
break
elif test -f "$xxx.exe"; then
sh="$xxx";
break
fi
done
fi
;;
esac
case "$sh" in
'') cat <<EOM >&2
$me: Fatal Error: I can't find a Bourne Shell anywhere.
Usually it's in /bin/sh. How did you even get this far?
Please contact me (Perl Maintainers) at perlbug@perl.com and
we'll try to straighten this all out.
EOM
exit 1
;;
esac
: see if sh knows # comments
if `$sh -c '#' >/dev/null 2>&1`; then
shsharp=true
spitshell=cat
xcat=/bin/cat
test -f $xcat || xcat=/usr/bin/cat
echo "#!$xcat" >try
$eunicefix try
chmod +x try
./try > today
if test -s today; then
sharpbang='#!'
else
echo "#! $xcat" > try
$eunicefix try
chmod +x try
./try > today
if test -s today; then
sharpbang='#! '
else
sharpbang=': use '
fi
fi
else
echo " "
echo "Your $sh doesn't grok # comments--I will strip them later on."
shsharp=false
cd ..
echo "exec grep -v '^[ ]*#'" >spitshell
chmod +x spitshell
$eunicefix spitshell
spitshell=`pwd`/spitshell
cd UU
echo "I presume that if # doesn't work, #! won't work either!"
sharpbang=': use '
fi
rm -f try today
: figure out how to guarantee sh startup
case "$startsh" in
'') startsh=${sharpbang}${sh} ;;
*)
esac
cat >try <<EOSS
$startsh
set abc
test "$?abc" != 1
EOSS
chmod +x try
$eunicefix try
if ./try; then
: echo "Yup, it does."
else
echo "Hmm... '$startsh' does not guarantee sh startup..."
echo "You may have to fix up the shell scripts to make sure $sh runs them."
fi
rm -f try
: Save command line options in file UU/cmdline.opt for later use in
: generating config.sh.
cat > cmdline.opt <<EOSH
# Configure command line arguments.
config_arg0='$0'
config_args='$*'
config_argc=$#
EOSH
argn=1
for arg in "$@"; do
cat >>cmdline.opt <<EOSH
config_arg$argn='$arg'
EOSH
argn=`expr $argn + 1`
done
: produce awk script to parse command line options
cat >options.awk <<'EOF'
BEGIN {
optstr = "A:dD:eEf:hKOrsSU:V"; # getopt-style specification
len = length(optstr);
for (i = 1; i <= len; i++) {
c = substr(optstr, i, 1);
if (i < len) a = substr(optstr, i + 1, 1); else a = "";
if (a == ":") {
arg[c] = 1;
i++;
}
opt[c] = 1;
}
}
{
expect = 0;
str = $0;
if (substr(str, 1, 1) != "-") {
printf("'%s'\n", str);
next;
}
len = length($0);
for (i = 2; i <= len; i++) {
c = substr(str, i, 1);
if (!opt[c]) {
printf("-%s\n", substr(str, i));
next;
}
printf("-%s\n", c);
if (arg[c]) {
if (i < len)
printf("'%s'\n", substr(str, i + 1));
else
expect = 1;
next;
}
}
}
END {
if (expect)
print "?";
}
EOF
: process the command line options
set X `for arg in "$@"; do echo "X$arg"; done |
sed -e s/X// | awk -f options.awk`
eval "set $*"
shift
rm -f options.awk
: set up default values
fastread=''
reuseval=false
config_sh=''
alldone=''
error=''
silent=''
extractsh=''
override=''
knowitall=''
rm -f optdef.sh posthint.sh
cat >optdef.sh <<EOS
$startsh
EOS
: option parsing
while test $# -gt 0; do
case "$1" in
-d) shift; fastread=yes;;
-e) shift; alldone=cont;;
-f)
shift
cd ..
if test -r "$1"; then
config_sh="$1"
else
echo "$me: cannot read config file $1." >&2
error=true
fi
cd UU
shift;;
-h) shift; error=true;;
-r) shift; reuseval=true;;
-s) shift; silent=true; realsilent=true;;
-E) shift; alldone=exit;;
-K) shift; knowitall=true;;
-O) shift; override=true;;
-S) shift; silent=true; extractsh=true;;
-D)
shift
case "$1" in
*=)
echo "$me: use '-U symbol=', not '-D symbol='." >&2
echo "$me: ignoring -D $1" >&2
;;
*=*) echo "$1" | \
sed -e "s/'/'\"'\"'/g" -e "s/=\(.*\)/='\1'/" >> optdef.sh;;
*) echo "$1='define'" >> optdef.sh;;
esac
shift
;;
-U)
shift
case "$1" in
*=) echo "$1" >> optdef.sh;;
*=*)
echo "$me: use '-D symbol=val', not '-U symbol=val'." >&2
echo "$me: ignoring -U $1" >&2
;;
*) echo "$1='undef'" >> optdef.sh;;
esac
shift
;;
-A)
shift
xxx=''
yyy="$1"
zzz=''
uuu=undef
case "$yyy" in
*=*) zzz=`echo $yyy|sed 's!=.*!!'`
case "$zzz" in
*:*) zzz='' ;;
*) xxx=append
zzz=" "`echo $yyy|sed 's!^[^=]*=!!'`
yyy=`echo $yyy|sed 's!=.*!!'` ;;
esac
;;
esac
case "$xxx" in
'') case "$yyy" in
*:*) xxx=`echo $yyy|sed 's!:.*!!'`
yyy=`echo $yyy|sed 's!^[^:]*:!!'`
zzz=`echo $yyy|sed 's!^[^=]*=!!'`
yyy=`echo $yyy|sed 's!=.*!!'` ;;
*) xxx=`echo $yyy|sed 's!:.*!!'`
yyy=`echo $yyy|sed 's!^[^:]*:!!'` ;;
esac
;;
esac
case "$xxx" in
append)
echo "$yyy=\"\${$yyy}$zzz\"" >> posthint.sh ;;
clear)
echo "$yyy=''" >> posthint.sh ;;
define)
case "$zzz" in
'') zzz=define ;;
esac
echo "$yyy='$zzz'" >> posthint.sh ;;
eval)
echo "eval \"$yyy=$zzz\"" >> posthint.sh ;;
prepend)
echo "$yyy=\"$zzz\${$yyy}\"" >> posthint.sh ;;
undef)
case "$zzz" in
'') zzz="$uuu" ;;
esac
echo "$yyy=$zzz" >> posthint.sh ;;
*) echo "$me: unknown -A command '$xxx', ignoring -A $1" >&2 ;;
esac
shift
;;
-V) echo "$me generated by metaconfig 3.0 PL70." >&2
exit 0;;
--) break;;
-*) echo "$me: unknown option $1" >&2; shift; error=true;;
*) break;;
esac
done
case "$error" in
true)
cat >&2 <<EOM
Usage: $me [-dehrsEKOSV] [-f config.sh] [-D symbol] [-D symbol=value]
[-U symbol] [-U symbol=] [-A command:symbol...]
-d : use defaults for all answers.
-e : go on without questioning past the production of config.sh.
-f : specify an alternate default configuration file.
-h : print this help message and exit (with an error status).
-r : reuse C symbols value if possible (skips costly nm extraction).
-s : silent mode, only echoes questions and essential information.
-D : define symbol to have some value:
-D symbol symbol gets the value 'define'
-D symbol=value symbol gets the value 'value'
-E : stop at the end of questions, after having produced config.sh.
-K : do not use unless you know what you are doing.
-O : let -D and -U override definitions from loaded configuration file.
-S : perform variable substitutions on all .SH files (can mix with -f)
-U : undefine symbol:
-U symbol symbol gets the value 'undef'
-U symbol= symbol gets completely empty
-A : manipulate symbol after the platform specific hints have been applied:
-A symbol=value append " "value to symbol
-A append:symbol=value append value to symbol
-A define:symbol=value define symbol to have value
-A clear:symbol define symbol to be ''
-A define:symbol define symbol to be 'define'
-A eval:symbol=value define symbol to be eval of value
-A prepend:symbol=value prepend value to symbol
-A undef:symbol define symbol to be 'undef'
-A undef:symbol= define symbol to be ''
-V : print version number and exit (with a zero status).
EOM
exit 1
;;
esac
: Sanity checks
case "$fastread$alldone" in
yescont|yesexit) ;;
*)
case "$extractsh" in
true) ;;
*)
if test ! -t 0; then
echo "Say 'sh Configure', not 'sh <Configure'"
exit 1
fi
;;
esac
;;
esac
exec 4>&1
case "$silent" in
true) exec 1>/dev/null;;
esac
: run the defines and the undefines, if any, but leave the file out there...
touch optdef.sh
. ./optdef.sh
: create the posthint manipulation script and leave the file out there...
touch posthint.sh
: set package name
package=perl5
first=`echo $package | sed -e 's/^\(.\).*/\1/'`
last=`echo $package | sed -e 's/^.\(.*\)/\1/'`
case "`echo AbyZ | tr '[:lower:]' '[:upper:]' 2>/dev/null`" in
ABYZ) spackage=`echo $first | tr '[:lower:]' '[:upper:]'`$last;;
*) spackage=`echo $first | tr '[a-z]' '[A-Z]'`$last;;
esac
: Some greps do not return status, grrr.
echo "grimblepritz" >grimble
if grep blurfldyick grimble >/dev/null 2>&1 ; then
contains=contains
elif grep grimblepritz grimble >/dev/null 2>&1 ; then
contains=grep
else
contains=contains
fi
rm -f grimble
: the following should work in any shell
case "$contains" in
contains*)
echo " "
echo "AGH! Grep doesn't return a status. Attempting remedial action."
cat >contains <<'EOSS'
grep "$1" "$2" >.greptmp && cat .greptmp && test -s .greptmp
EOSS
chmod +x contains
esac
: Find the path to the source tree
case "$src" in
'') case "$0" in
*/*) src=`echo $0 | sed -e 's%/[^/][^/]*$%%'`
case "$src" in
/*) ;;
*) src=`cd ../$src && pwd` ;;
esac
;;
*) src='.';;
esac;;
esac
case "$src" in
'') src=/
rsrc=/
;;
/*) rsrc="$src";;
*) rsrc="../$src";;
esac
if test -f $rsrc/Configure && \
$contains "^package=$package$" $rsrc/Configure >/dev/null 2>&1
then
: found it, so we are ok.
else
rsrc=''
for src in . .. ../.. ../../.. ../../../..; do
if test -f ../$src/Configure && \
$contains "^package=$package$" ../$src/Configure >/dev/null 2>&1
then
rsrc=../$src
break
fi
done
fi
case "$rsrc" in
'')
cat <<EOM >&4
Sorry, I can't seem to locate the source dir for $package. Please start
Configure with an explicit path -- i.e. /some/path/Configure.
EOM
exit 1
;;
../.) rsrc='..';;
*)
echo " "
echo "Sources for $package found in \"$src\"." >&4
;;
esac
: script used to extract .SH files with variable substitutions
cat >extract <<'EOS'
CONFIGDOTSH=true
echo "Doing variable substitutions on .SH files..."
if test -f $src/MANIFEST; then
set x `awk '{print $1}' <$src/MANIFEST | grep '\.SH$'`
else
echo "(Looking for .SH files under the source directory.)"
set x `(cd $src; find . -name "*.SH" -print)`
fi
shift
case $# in
0) set x `(cd $src; echo *.SH)`; shift;;
esac
if test ! -f $src/$1; then
shift
fi
mkdir_p='
name=$1;
create="";
while test $name; do
if test ! -d "$name"; then
create="$name $create";
name=`echo $name | sed -e "s|^[^/]*$||"`;
name=`echo $name | sed -e "s|\(.*\)/.*|\1|"`;
else
name="";
fi;
done;
for file in $create; do
mkdir $file;
done
'
for file in $*; do
case "$src" in
".")
case "$file" in
*/*)
dir=`expr X$file : 'X\(.*\)/'`
file=`expr X$file : 'X.*/\(.*\)'`
(cd $dir && . ./$file)
;;
*)
. ./$file
;;
esac
;;
*)
case "$file" in
*/*)
dir=`expr X$file : 'X\(.*\)/'`
file=`expr X$file : 'X.*/\(.*\)'`
(set x $dir; shift; eval $mkdir_p)
sh <$src/$dir/$file
;;
*)
sh <$src/$file
;;
esac
;;
esac
done
if test -f $src/config_h.SH; then
if test ! -f config.h; then
: oops, they left it out of MANIFEST, probably, so do it anyway.
. $src/config_h.SH
fi
fi
EOS
: extract files and exit if asked to do so
case "$extractsh" in
true)
case "$realsilent" in
true) ;;
*) exec 1>&4;;
esac
case "$config_sh" in
'') config_sh='config.sh';;
esac
echo " "
echo "Fetching answers from $config_sh..."
cd ..
. $config_sh
test "$override" && . ./optdef.sh
echo " "
. UU/extract
rm -rf UU
echo "Done."
exit 0
;;
esac
: Eunice requires " " instead of "", can you believe it
echo " "
: Here we go...
echo "Beginning of configuration questions for $package."
trap 'echo " "; test -d ../UU && rm -rf X $rmlist; exit 1' 1 2 3 15
: first determine how to suppress newline on echo command
echo " "
echo "Checking echo to see how to suppress newlines..."
(echo "hi there\c" ; echo " ") >.echotmp
if $contains c .echotmp >/dev/null 2>&1 ; then
echo "...using -n."
n='-n'
c=''
else
cat <<'EOM'
...using \c
EOM
n=''
c='\c'
fi
echo $n "The star should be here-->$c"
echo '*'
rm -f .echotmp
: Now test for existence of everything in MANIFEST
echo " "
if test -f $rsrc/MANIFEST; then
echo "First let's make sure your kit is complete. Checking..." >&4
awk '$1 !~ /PACK[A-Z]+/ {print $1}' $rsrc/MANIFEST | split -50
rm -f missing
tmppwd=`pwd`
for filelist in x??; do
(cd $rsrc; ls `cat $tmppwd/$filelist` >/dev/null 2>>$tmppwd/missing)
done
if test -s missing; then
cat missing >&4
cat >&4 <<'EOM'
THIS PACKAGE SEEMS TO BE INCOMPLETE.
You have the option of continuing the configuration process, despite the
distinct possibility that your kit is damaged, by typing 'y'es. If you
do, don't blame me if something goes wrong. I advise you to type 'n'o
and contact the author (perlbug@perl.com).
EOM
echo $n "Continue? [n] $c" >&4
read ans
case "$ans" in
y*)
echo "Continuing..." >&4
rm -f missing
;;
*)
echo "ABORTING..." >&4
kill $$
;;
esac
else
echo "Looks good..."
fi
else
echo "There is no MANIFEST file. I hope your kit is complete !"
fi
rm -f missing x??
echo " "
: Find the appropriate value for a newline for tr
if test -n "$DJGPP"; then
trnl='\012'
fi
if test X"$trnl" = X; then
case "`echo foo|tr '\n' x 2>/dev/null`" in
foox) trnl='\n' ;;
esac
fi
if test X"$trnl" = X; then
case "`echo foo|tr '\012' x 2>/dev/null`" in
foox) trnl='\012' ;;
esac
fi
if test X"$trnl" = X; then
cat <<EOM >&2
$me: Fatal Error: cannot figure out how to translate newlines with 'tr'.
EOM
exit 1
fi
: compute the number of columns on the terminal for proper question formatting
case "$COLUMNS" in
'') COLUMNS='80';;
esac
: set up the echo used in my read
myecho="case \"\$xxxm\" in
'') echo $n \"\$rp $c\" >&4;;
*) case \"\$rp\" in
'') echo $n \"[\$xxxm] $c\";;
*)
if test \`echo \"\$rp [\$xxxm] \" | wc -c\` -ge $COLUMNS; then
echo \"\$rp\" >&4
echo $n \"[\$xxxm] $c\" >&4
else
echo $n \"\$rp [\$xxxm] $c\" >&4
fi
;;
esac;;
esac"
: now set up to do reads with possible shell escape and default assignment
cat <<EOSC >myread
$startsh
xxxm=\$dflt
$myecho
ans='!'
case "\$fastread" in
yes) case "\$dflt" in
'') ;;
*) ans='';
case "\$silent-\$rp" in
true-) ;;
*) echo " " >&4;;
esac;;
esac;;
*) case "\$silent" in
true) case "\$rp" in
'') ans='';;
esac;;
esac;;
esac
while expr "X\$ans" : "X!" >/dev/null; do
read answ
set x \$xxxm
shift
aok=''; eval "ans=\\"\$answ\\"" && aok=y
case "\$answ" in
"!")
sh 1>&4
echo " "
$myecho
;;
!*)
set x \`expr "X\$ans" : "X!\(.*\)\$"\`
shift
sh 1>&4 -c "\$*"
echo " "
$myecho
;;
"\$ans")
case "\$ans" in
\\&*)
set x \`expr "X\$ans" : "X&\(.*\)\$"\`
shift
case "\$1" in
-d)
fastread=yes
echo "(OK, I'll run with -d after this question.)" >&4
;;
-*)
echo "*** Sorry, \$1 not supported yet." >&4
;;
esac
$myecho
ans=!
;;
esac;;
*)
case "\$aok" in
y)
echo "*** Substitution done -- please confirm."
xxxm="\$ans"
ans=\`echo $n "\$ans$c" | tr '$trnl' ' '\`
xxxm="\$ans"
ans=!
;;
*)
echo "*** Error -- try again."
ans=!
;;
esac
$myecho
;;
esac
case "\$ans\$xxxm\$nostick" in
'')
ans=!
$myecho
;;
esac
done
case "\$ans" in
'') ans="\$xxxm";;
esac
EOSC
: create .config dir to save info across Configure sessions
test -d ../.config || mkdir ../.config
cat >../.config/README <<EOF
This directory created by Configure to save information that should
persist across sessions for $package.
You may safely delete it if you wish.
EOF
: general instructions
needman=true
firsttime=true
user=`(logname) 2>/dev/null`
case "$user" in
'') user=`whoami 2>&1`;;
esac
if $contains "^$user\$" ../.config/instruct >/dev/null 2>&1; then
firsttime=false
echo " "
rp='Would you like to see the instructions?'
dflt=n
. ./myread
case "$ans" in
[yY]*) ;;
*) needman=false;;
esac
fi
if $needman; then
cat <<EOH
This installation shell script will examine your system and ask you questions
to determine how the perl5 package should be installed. If you get
stuck on a question, you may use a ! shell escape to start a subshell or
execute a command. Many of the questions will have default answers in square
brackets; typing carriage return will give you the default.
On some of the questions which ask for file or directory names you are allowed
to use the ~name construct to specify the login directory belonging to "name",
even if you don't have a shell which knows about that. Questions where this is
allowed will be marked "(~name ok)".
EOH
rp=''
dflt='Type carriage return to continue'
. ./myread
cat <<'EOH'
The prompter used in this script allows you to use shell variables and
backticks in your answers. You may use $1, $2, etc... to refer to the words
in the default answer, as if the default line was a set of arguments given to a
script shell. This means you may also use $* to repeat the whole default line,
so you do not have to re-type everything to add something to the default.
Everytime there is a substitution, you will have to confirm. If there is an
error (e.g. an unmatched backtick), the default answer will remain unchanged
and you will be prompted again.
If you are in a hurry, you may run 'Configure -d'. This will bypass nearly all
the questions and use the computed defaults (or the previous answers if there
was already a config.sh file). Type 'Configure -h' for a list of options.
You may also start interactively and then answer '& -d' at any prompt to turn
on the non-interactive behaviour for the remainder of the execution.
EOH
. ./myread
cat <<EOH
Much effort has been expended to ensure that this shell script will run on any
Unix system. If despite that it blows up on yours, your best bet is to edit
Configure and run it again. If you can't run Configure for some reason,
you'll have to generate a config.sh file by hand. Whatever problems you
have, let me (perlbug@perl.com) know how I blew it.
This installation script affects things in two ways:
1) it may do direct variable substitutions on some of the files included
in this kit.
2) it builds a config.h file for inclusion in C programs. You may edit
any of these files as the need arises after running this script.
If you make a mistake on a question, there is no easy way to back up to it
currently. The easiest thing to do is to edit config.sh and rerun all the SH
files. Configure will offer to let you do this before it runs the SH files.
EOH
dflt='Type carriage return to continue'
. ./myread
case "$firsttime" in
true) echo $user >>../.config/instruct;;
esac
fi
: find out where common programs are
echo " "
echo "Locating common programs..." >&4
cat <<EOSC >loc
$startsh
case \$# in
0) exit 1;;
esac
thing=\$1
shift
dflt=\$1
shift
for dir in \$*; do
case "\$thing" in
.)
if test -d \$dir/\$thing; then
echo \$dir
exit 0
fi
;;
*)
for thisthing in \$dir/\$thing; do
: just loop through to pick last item
done
if test -f \$thisthing; then
echo \$thisthing
exit 0
elif test -f \$dir/\$thing.exe; then
if test -n "$DJGPP"; then
echo \$dir/\$thing.exe
else
: on Eunice apparently
echo \$dir/\$thing
fi
exit 0
fi
;;
esac
done
echo \$dflt
exit 1
EOSC
chmod +x loc
$eunicefix loc
loclist="
awk
cat
comm
cp
echo
expr
grep
ls
make
mkdir
rm
sed
sort
touch
tr
uniq
"
trylist="
Mcc
ar
byacc
cpp
csh
date
egrep
gzip
less
ln
more
nm
nroff
pg
test
uname
zip
"
pth=`echo $PATH | sed -e "s/$p_/ /g"`
pth="$pth /lib /usr/lib"
for file in $loclist; do
eval xxx=\$$file
case "$xxx" in
/*|?:[\\/]*)
if test -f "$xxx"; then
: ok
else
echo "WARNING: no $xxx -- ignoring your setting for $file." >&4
xxx=`./loc $file $file $pth`
fi
;;
'') xxx=`./loc $file $file $pth`;;
*) xxx=`./loc $xxx $xxx $pth`;;
esac
eval $file=$xxx
eval _$file=$xxx
case "$xxx" in
/*)
echo $file is in $xxx.
;;
?:[\\/]*)
echo $file is in $xxx.
;;
*)
echo "I don't know where '$file' is, and my life depends on it." >&4
echo "Go find a public domain implementation or fix your PATH setting!" >&4
exit 1
;;
esac
done
echo " "
echo "Don't worry if any of the following aren't found..."
say=offhand
for file in $trylist; do
eval xxx=\$$file
case "$xxx" in
/*|?:[\\/]*)
if test -f "$xxx"; then
: ok
else
echo "WARNING: no $xxx -- ignoring your setting for $file." >&4
xxx=`./loc $file $file $pth`
fi
;;
'') xxx=`./loc $file $file $pth`;;
*) xxx=`./loc $xxx $xxx $pth`;;
esac
eval $file=$xxx
eval _$file=$xxx
case "$xxx" in
/*)
echo $file is in $xxx.
;;
?:[\\/]*)
echo $file is in $xxx.
;;
*)
echo "I don't see $file out there, $say."
say=either
;;
esac
done
case "$egrep" in
egrep)
echo "Substituting grep for egrep."
egrep=$grep
;;
esac
case "$ln" in
ln)
echo "Substituting cp for ln."
ln=$cp
;;
esac
case "$test" in
test)
echo "Hopefully test is built into your sh."
;;
*)
if `sh -c "PATH= test true" >/dev/null 2>&1`; then
echo "Using the test built into your sh."
test=test
_test=test
fi
;;
esac
case "$echo" in
echo)
echo "Hopefully echo is built into your sh."
;;
'') ;;
*)
echo " "
echo "Checking compatibility between $echo and builtin echo (if any)..." >&4
$echo $n "hi there$c" >foo1
echo $n "hi there$c" >foo2
if cmp foo1 foo2 >/dev/null 2>&1; then
echo "They are compatible. In fact, they may be identical."
else
case "$n" in
'-n') n='' c='\c';;
*) n='-n' c='';;
esac
cat <<FOO
They are not compatible! You are probably running ksh on a non-USG system.
I'll have to use $echo instead of the builtin, since Bourne shell doesn't
have echo built in and we may have to run some Bourne shell scripts. That
means I'll have to use '$n$c' to suppress newlines now. Life is ridiculous.
FOO
$echo $n "The star should be here-->$c"
$echo "*"
fi
$rm -f foo1 foo2
;;
esac
cat <<EOS >checkcc
$startsh
EOS
cat <<'EOSC' >>checkcc
case "$cc" in
'') ;;
*) $rm -f try try.*
$cat >try.c <<EOM
int main(int argc, char *argv[]) {
return 0;
}
EOM
if $cc -o try try.c; then
:
else
echo "Uh-oh, the C compiler '$cc' doesn't seem to be working." >&4
despair=yes
trygcc=yes
case "$cc" in
*gcc*) trygcc=no ;;
esac
case "`$cc -v -c try.c 2>&1`" in
*gcc*) trygcc=no ;;
esac
if $test X"$trygcc" = Xyes; then
if gcc -o try -c try.c; then
echo " "
echo "You seem to have a working gcc, though." >&4
rp="Would you like to use it?"
dflt=y
if $test -f myread; then
. ./myread
else
if $test -f UU/myread; then
. ./UU/myread
else
echo "Cannot find myread, sorry. Aborting." >&2
exit 1
fi
fi
case "$ans" in
[yY]*) cc=gcc; ccflags=''; despair=no ;;
esac
fi
fi
if $test X"$despair" = Xyes; then
echo "You need to find a working C compiler." >&4
echo "I cannot continue any further, aborting." >&4
exit 1
fi
fi
$rm -f try try.*
;;
esac
EOSC
: determine whether symbolic links are supported
echo " "
$touch blurfl
if $ln -s blurfl sym > /dev/null 2>&1 ; then
echo "Symbolic links are supported." >&4
lns="$ln -s"
else
echo "Symbolic links are NOT supported." >&4
lns="$ln"
fi
$rm -f blurfl sym
: see whether [:lower:] and [:upper:] are supported character classes
echo " "
case "`echo AbyZ | $tr '[:lower:]' '[:upper:]' 2>/dev/null`" in
ABYZ)
echo "Good, your tr supports [:lower:] and [:upper:] to convert case." >&4
up='[:upper:]'
low='[:lower:]'
;;
*) # There is a discontinuity in EBCDIC between 'I' and 'J'
# (0xc9 and 0xd1), therefore that is a nice testing point.
if test "X$up" = X -o "X$low" = X; then
case "`echo IJ | $tr '[I-J]' '[i-j]' 2>/dev/null`" in
ij) up='[A-Z]'
low='[a-z]'
;;
esac
fi
if test "X$up" = X -o "X$low" = X; then
case "`echo IJ | $tr I-J i-j 2>/dev/null`" in
ij) up='A-Z'
low='a-z'
;;
esac
fi
if test "X$up" = X -o "X$low" = X; then
case "`echo IJ | od -x 2>/dev/null`" in
*C9D1*|*c9d1*)
echo "Hey, this might be EBCDIC." >&4
if test "X$up" = X -o "X$low" = X; then
case "`echo IJ | $tr '[A-IJ-RS-Z]' '[a-ij-rs-z]' 2>/dev/null`" in
ij) up='[A-IJ-RS-Z]'
low='[a-ij-rs-z]'
;;
esac
fi
if test "X$up" = X -o "X$low" = X; then
case "`echo IJ | $tr A-IJ-RS-Z a-ij-rs-z 2>/dev/null`" in
ij) up='A-IJ-RS-Z'
low='a-ij-rs-z'
;;
esac
fi
;;
esac
fi
esac
case "`echo IJ | $tr \"$up\" \"$low\" 2>/dev/null`" in
ij)
echo "Using $up and $low to convert case." >&4
;;
*)
echo "I don't know how to translate letters from upper to lower case." >&4
echo "Your tr is not acting any way I know of." >&4
exit 1
;;
esac
: set up the translation script tr, must be called with ./tr of course
cat >tr <<EOSC
$startsh
case "\$1\$2" in
'[A-Z][a-z]') exec $tr '$up' '$low';;
'[a-z][A-Z]') exec $tr '$low' '$up';;
esac
exec $tr "\$@"
EOSC
chmod +x tr
$eunicefix tr
: Try to determine whether config.sh was made on this system
case "$config_sh" in
'')
myuname=`$uname -a 2>/dev/null`
$test -z "$myuname" && myuname=`hostname 2>/dev/null`
# tr '[A-Z]' '[a-z]' would not work in EBCDIC
# because the A-Z/a-z are not consecutive.
myuname=`echo $myuname | $sed -e 's/^[^=]*=//' -e 's/\///g' | \
./tr '[A-Z]' '[a-z]' | $tr $trnl ' '`
newmyuname="$myuname"
dflt=n
case "$knowitall" in
'')
if test -f ../config.sh; then
if $contains myuname= ../config.sh >/dev/null 2>&1; then
eval "`grep myuname= ../config.sh`"
fi
if test "X$myuname" = "X$newmyuname"; then
dflt=y
fi
fi
;;
*) dflt=y;;
esac
: Get old answers from old config file if Configure was run on the
: same system, otherwise use the hints.
hint=default
cd ..
if test -f config.sh; then
echo " "
rp="I see a config.sh file. Shall I use it to set the defaults?"
. UU/myread
case "$ans" in
n*|N*) echo "OK, I'll ignore it."; mv config.sh config.sh.old;;
*) echo "Fetching default answers from your old config.sh file..." >&4
tmp_n="$n"
tmp_c="$c"
tmp_sh="$sh"
. ./config.sh
cp config.sh UU
n="$tmp_n"
c="$tmp_c"
: Older versions did not always set $sh. Catch re-use of such
: an old config.sh.
case "$sh" in
'') sh="$tmp_sh" ;;
esac
hint=previous
;;
esac
fi
. ./UU/checkcc
if test ! -f config.sh; then
$cat <<EOM
First time through, eh? I have some defaults handy for some systems
that need some extra help getting the Configure answers right:
EOM
(cd $src/hints; ls -C *.sh) | $sed 's/\.sh/ /g' >&4
dflt=''
: Half the following guesses are probably wrong... If you have better
: tests or hints, please send them to perlbug@perl.com
: The metaconfig authors would also appreciate a copy...
$test -f /irix && osname=irix
$test -f /xenix && osname=sco_xenix
$test -f /dynix && osname=dynix
$test -f /dnix && osname=dnix
$test -f /lynx.os && osname=lynxos
$test -f /unicos && osname=unicos && osvers=`$uname -r`
$test -f /unicosmk && osname=unicosmk && osvers=`$uname -r`
$test -f /unicosmk.ar && osname=unicosmk && osvers=`$uname -r`
$test -f /bin/mips && /bin/mips && osname=mips
$test -d /NextApps && set X `hostinfo | grep 'NeXT Mach.*:' | \
$sed -e 's/://' -e 's/\./_/'` && osname=next && osvers=$4
$test -d /usr/apollo/bin && osname=apollo
$test -f /etc/saf/_sactab && osname=svr4
$test -d /usr/include/minix && osname=minix
if $test -d /MachTen -o -d /MachTen_Folder; then
osname=machten
if $test -x /sbin/version; then
osvers=`/sbin/version | $awk '{print $2}' |
$sed -e 's/[A-Za-z]$//'`
elif $test -x /usr/etc/version; then
osvers=`/usr/etc/version | $awk '{print $2}' |
$sed -e 's/[A-Za-z]$//'`
else
osvers="$2.$3"
fi
fi
$test -f /sys/posix.dll &&
$test -f /usr/bin/what &&
set X `/usr/bin/what /sys/posix.dll` &&
$test "$3" = UWIN &&
osname=uwin &&
osvers="$5"
if $test -f $uname; then
set X $myuname
shift
case "$5" in
fps*) osname=fps ;;
mips*)
case "$4" in
umips) osname=umips ;;
*) osname=mips ;;
esac;;
[23]100) osname=mips ;;
next*) osname=next ;;
i386*)
tmp=`/bin/uname -X 2>/dev/null|awk '/3\.2v[45]/{ print $(NF) }'`
if $test "$tmp" != "" -a "$3" = "3.2" -a -f '/etc/systemid'; then
osname='sco'
osvers=$tmp
elif $test -f /etc/kconfig; then
osname=isc
if test "$lns" = "$ln -s"; then
osvers=4
elif $contains _SYSV3 /usr/include/stdio.h > /dev/null 2>&1 ; then
osvers=3
elif $contains _POSIX_SOURCE /usr/include/stdio.h > /dev/null 2>&1 ; then
osvers=2
fi
fi
tmp=''
;;
pc*)
if test -n "$DJGPP"; then
osname=dos
osvers=djgpp
fi
;;
esac
case "$1" in
aix) osname=aix
tmp=`( (oslevel) 2>/dev/null || echo "not found") 2>&1`
case "$tmp" in
'not found') osvers="$4"."$3" ;;
'<3240'|'<>3240') osvers=3.2.0 ;;
'=3240'|'>3240'|'<3250'|'<>3250') osvers=3.2.4 ;;
'=3250'|'>3250') osvers=3.2.5 ;;
*) osvers=$tmp;;
esac
;;
bsd386) osname=bsd386
osvers=`$uname -r`
;;
cygwin*) osname=cygwin
osvers="$3"
;;
*dc.osx) osname=dcosx
osvers="$3"
;;
dnix) osname=dnix
osvers="$3"
;;
domainos) osname=apollo
osvers="$3"
;;
dgux) osname=dgux
osvers="$3"
;;
dynixptx*) osname=dynixptx
osvers=`echo "$4"|sed 's/^v//'`
;;
freebsd) osname=freebsd
osvers="$3" ;;
genix) osname=genix ;;
hp*) osname=hpux
osvers=`echo "$3" | $sed 's,.*\.\([0-9]*\.[0-9]*\),\1,'`
;;
irix*) osname=irix
case "$3" in
4*) osvers=4 ;;
5*) osvers=5 ;;
*) osvers="$3" ;;
esac
;;
linux) osname=linux
case "$3" in
*) osvers="$3" ;;
esac
;;
MiNT) osname=mint
;;
netbsd*) osname=netbsd
osvers="$3"
;;
news-os) osvers="$3"
case "$3" in
4*) osname=newsos4 ;;
*) osname=newsos ;;
esac
;;
next*) osname=next ;;
POSIX-BC | posix-bc ) osname=posix-bc
osvers="$3"
;;
powerux | power_ux | powermax_os | powermaxos | \
powerunix | power_unix) osname=powerux
osvers="$3"
;;
qnx) osname=qnx
osvers="$4"
;;
solaris) osname=solaris
case "$3" in
5*) osvers=`echo $3 | $sed 's/^5/2/g'` ;;
*) osvers="$3" ;;
esac
;;
sunos) osname=sunos
case "$3" in
5*) osname=solaris
osvers=`echo $3 | $sed 's/^5/2/g'` ;;
*) osvers="$3" ;;
esac
;;
titanos) osname=titanos
case "$3" in
1*) osvers=1 ;;
2*) osvers=2 ;;
3*) osvers=3 ;;
4*) osvers=4 ;;
*) osvers="$3" ;;
esac
;;
ultrix) osname=ultrix
osvers="$3"
;;
osf1|mls+) case "$5" in
alpha)
osname=dec_osf
osvers=`echo "$3" | sed 's/^[xvt]//'`
;;
hp*) osname=hp_osf1 ;;
mips) osname=mips_osf1 ;;
esac
;;
unixware) osname=svr5
osvers="$4"
;;
uts) osname=uts
osvers="$3"
;;
$2) case "$osname" in
*isc*) ;;
*freebsd*) ;;
svr*)
: svr4.x or possibly later
case "svr$3" in
${osname}*)
osname=svr$3
osvers=$4
;;
esac
case "$osname" in
svr4.0)
: Check for ESIX
if test -f /stand/boot ; then
eval `grep '^INITPROG=[a-z/0-9]*$' /stand/boot`
if test -n "$INITPROG" -a -f "$INITPROG"; then
isesix=`strings -a $INITPROG|grep 'ESIX SYSTEM V/386 Release 4.0'`
if test -n "$isesix"; then
osname=esix4
fi
fi
fi
;;
esac
;;
*) if test -f /etc/systemid; then
osname=sco
set `echo $3 | $sed 's/\./ /g'` $4
if $test -f $src/hints/sco_$1_$2_$3.sh; then
osvers=$1.$2.$3
elif $test -f $src/hints/sco_$1_$2.sh; then
osvers=$1.$2
elif $test -f $src/hints/sco_$1.sh; then
osvers=$1
fi
else
case "$osname" in
'') : Still unknown. Probably a generic Sys V.
osname="sysv"
osvers="$3"
;;
esac
fi
;;
esac
;;
*) case "$osname" in
'') : Still unknown. Probably a generic BSD.
osname="$1"
osvers="$3"
;;
esac
;;
esac
else
if test -f /vmunix -a -f $src/hints/news_os.sh; then
(what /vmunix | UU/tr '[A-Z]' '[a-z]') > UU/kernel.what 2>&1
if $contains news-os UU/kernel.what >/dev/null 2>&1; then
osname=news_os
fi
$rm -f UU/kernel.what
elif test -d c:/.; then
set X $myuname
osname=os2
osvers="$5"
fi
fi
: Now look for a hint file osname_osvers, unless one has been
: specified already.
case "$hintfile" in
''|' ')
file=`echo "${osname}_${osvers}" | $sed -e 's%\.%_%g' -e 's%_$%%'`
: Also try without trailing minor version numbers.
xfile=`echo $file | $sed -e 's%_[^_]*$%%'`
xxfile=`echo $xfile | $sed -e 's%_[^_]*$%%'`
xxxfile=`echo $xxfile | $sed -e 's%_[^_]*$%%'`
xxxxfile=`echo $xxxfile | $sed -e 's%_[^_]*$%%'`
case "$file" in
'') dflt=none ;;
*) case "$osvers" in
'') dflt=$file
;;
*) if $test -f $src/hints/$file.sh ; then
dflt=$file
elif $test -f $src/hints/$xfile.sh ; then
dflt=$xfile
elif $test -f $src/hints/$xxfile.sh ; then
dflt=$xxfile
elif $test -f $src/hints/$xxxfile.sh ; then
dflt=$xxxfile
elif $test -f $src/hints/$xxxxfile.sh ; then
dflt=$xxxxfile
elif $test -f "$src/hints/${osname}.sh" ; then
dflt="${osname}"
else
dflt=none
fi
;;
esac
;;
esac
if $test -f Policy.sh ; then
case "$dflt" in
*Policy*) ;;
none) dflt="Policy" ;;
*) dflt="Policy $dflt" ;;
esac
fi
;;
*)
dflt=`echo $hintfile | $sed 's/\.sh$//'`
;;
esac
if $test -f Policy.sh ; then
$cat <<EOM
There's also a Policy hint file available, which should make the
site-specific (policy) questions easier to answer.
EOM
fi
$cat <<EOM
You may give one or more space-separated answers, or "none" if appropriate.
A well-behaved OS will have no hints, so answering "none" or just "Policy"
is a good thing. DO NOT give a wrong version or a wrong OS.
EOM
rp="Which of these apply, if any?"
. UU/myread
tans=$ans
for file in $tans; do
if $test X$file = XPolicy -a -f Policy.sh; then
. Policy.sh
$cat Policy.sh >> UU/config.sh
elif $test -f $src/hints/$file.sh; then
. $src/hints/$file.sh
$cat $src/hints/$file.sh >> UU/config.sh
elif $test X$tans = X -o X$tans = Xnone ; then
: nothing
else
: Give one chance to correct a possible typo.
echo "$file.sh does not exist"
dflt=$file
rp="hint to use instead?"
. UU/myread
for file in $ans; do
if $test -f "$src/hints/$file.sh"; then
. $src/hints/$file.sh
$cat $src/hints/$file.sh >> UU/config.sh
elif $test X$ans = X -o X$ans = Xnone ; then
: nothing
else
echo "$file.sh does not exist -- ignored."
fi
done
fi
done
hint=recommended
: Remember our hint file for later.
if $test -f "$src/hints/$file.sh" ; then
hintfile="$file"
else
hintfile=''
fi
fi
cd UU
;;
*)
echo " "
echo "Fetching default answers from $config_sh..." >&4
tmp_n="$n"
tmp_c="$c"
cd ..
cp $config_sh config.sh 2>/dev/null
chmod +w config.sh
. ./config.sh
cd UU
cp ../config.sh .
n="$tmp_n"
c="$tmp_c"
hint=previous
;;
esac
test "$override" && . ./optdef.sh
myuname="$newmyuname"
: Restore computed paths
for file in $loclist $trylist; do
eval $file="\$_$file"
done
cat << EOM
Configure uses the operating system name and version to set some defaults.
The default value is probably right if the name rings a bell. Otherwise,
since spelling matters for me, either accept the default or answer "none"
to leave it blank.
EOM
case "$osname" in
''|' ')
case "$hintfile" in
''|' '|none) dflt=none ;;
*) dflt=`echo $hintfile | $sed -e 's/\.sh$//' -e 's/_.*$//'` ;;
esac
;;
*) dflt="$osname" ;;
esac
rp="Operating system name?"
. ./myread
case "$ans" in
none) osname='' ;;
*) osname=`echo "$ans" | $sed -e 's/[ ][ ]*/_/g' | ./tr '[A-Z]' '[a-z]'`;;
esac
echo " "
case "$osvers" in
''|' ')
case "$hintfile" in
''|' '|none) dflt=none ;;
*) dflt=`echo $hintfile | $sed -e 's/\.sh$//' -e 's/^[^_]*//'`
dflt=`echo $dflt | $sed -e 's/^_//' -e 's/_/./g'`
case "$dflt" in
''|' ') dflt=none ;;
esac
;;
esac
;;
*) dflt="$osvers" ;;
esac
rp="Operating system version?"
. ./myread
case "$ans" in
none) osvers='' ;;
*) osvers="$ans" ;;
esac
. ./posthint.sh
: who configured the system
cf_time=`LC_ALL=C; LANGUAGE=C; export LC_ALL; export LANGUAGE; $date 2>&1`
cf_by=`(logname) 2>/dev/null`
case "$cf_by" in
"")
cf_by=`(whoami) 2>/dev/null`
case "$cf_by" in
"") cf_by=unknown ;;
esac ;;
esac
: set up the script used to warn in case of inconsistency
cat <<EOS >whoa
$startsh
EOS
cat <<'EOSC' >>whoa
dflt=y
echo " "
echo "*** WHOA THERE!!! ***" >&4
echo " The $hint value for \$$var on this machine was \"$was\"!" >&4
rp=" Keep the $hint value?"
. ./myread
case "$ans" in
y) td=$was; tu=$was;;
esac
EOSC
: function used to set $1 to $val
setvar='var=$1; eval "was=\$$1"; td=$define; tu=$undef;
case "$val$was" in
$define$undef) . ./whoa; eval "$var=\$td";;
$undef$define) . ./whoa; eval "$var=\$tu";;
*) eval "$var=$val";;
esac'
case "$usethreads" in
$define|true|[yY]*) dflt='y';;
*) dflt='n';;
esac
cat <<EOM
Perl can be built to take advantage of threads on some systems.
To do so, Configure can be run with -Dusethreads.
Note that threading is a highly experimental feature, and
some known race conditions still remain. If you choose to try
it, be very sure to not actually deploy it for production
purposes. README.threads has more details, and is required
reading if you enable threads.
If this doesn't make any sense to you, just accept the default '$dflt'.
EOM
rp='Build a threading Perl?'
. ./myread
case "$ans" in
y|Y) val="$define" ;;
*) val="$undef" ;;
esac
set usethreads
eval $setvar
case "$usethreads" in
$define)
$cat <<EOM
As of 5.5.640, Perl has two different internal threading implementations,
the 5.005 version (5005threads) and an interpreter-based version
(ithreads) that has one interpreter per thread. Both are very
experimental. This arrangement exists to help developers work out
which one is better.
If you're a casual user, you probably don't want interpreter-threads
at this time. There doesn't yet exist a way to create threads from
within Perl in this model, i.e., "use Thread;" will NOT work.
EOM
: Default to ithreads unless overridden on command line or with
: old config.sh
dflt='y'
case "$use5005threads" in
$define|true|[yY]*) dflt='n';;
esac
case "$useithreads" in
$undef|false|[nN]*) dflt='n';;
esac
rp='Use interpreter-based ithreads?'
. ./myread
case "$ans" in
y|Y) val="$define" ;;
*) val="$undef" ;;
esac
set useithreads
eval $setvar
: Now set use5005threads to the opposite value.
case "$useithreads" in
$define) val="$undef" ;;
*) val="$define" ;;
esac
set use5005threads
eval $setvar
;;
*)
useithreads="$undef"
use5005threads="$undef"
;;
esac
case "$d_oldpthreads" in
'') : Configure tests would be welcome here. For now, assume undef.
val="$undef" ;;
*) val="$d_oldpthreads" ;;
esac
set d_oldpthreads
eval $setvar
case "$usethreads" in
"$define"|true|[yY]*)
: Look for a hint-file generated 'call-back-unit'. If the
: user has specified that a threading perl is to be built,
: we may need to set or change some other defaults.
if $test -f usethreads.cbu; then
echo "Your platform has some specific hints for threaded builds, using them..."
. ./usethreads.cbu
else
$cat <<EOM
(Your platform doesn't have any specific hints for threaded builds.
Assuming POSIX threads, then.)
EOM
fi
;;
esac
cat <<EOM
Perl can be built so that multiple Perl interpreters can coexist
within the same Perl executable.
EOM
case "$useithreads" in
$define)
cat <<EOM
This multiple interpreter support is required for interpreter-based threads.
EOM
val="$define"
;;
*) case "$usemultiplicity" in
$define|true|[yY]*) dflt='y';;
*) dflt='n';;
esac
echo " "
echo "If this doesn't make any sense to you, just accept the default '$dflt'."
rp='Build Perl for multiplicity?'
. ./myread
case "$ans" in
y|Y) val="$define" ;;
*) val="$undef" ;;
esac
;;
esac
set usemultiplicity
eval $setvar
: determine where manual pages are on this system
echo " "
case "$sysman" in
'')
syspath='/usr/man/man1 /usr/man/mann /usr/man/manl /usr/man/local/man1'
syspath="$syspath /usr/man/u_man/man1 /usr/share/man/man1"
syspath="$syspath /usr/catman/u_man/man1 /usr/man/l_man/man1"
syspath="$syspath /usr/local/man/u_man/man1 /usr/local/man/l_man/man1"
syspath="$syspath /usr/man/man.L /local/man/man1 /usr/local/man/man1"
sysman=`./loc . /usr/man/man1 $syspath`
;;
esac
if $test -d "$sysman"; then
echo "System manual is in $sysman." >&4
else
echo "Could not find manual pages in source form." >&4
fi
: see what memory models we can support
case "$models" in
'')
$cat >pdp11.c <<'EOP'
int main() {
#ifdef pdp11
exit(0);
#else
exit(1);
#endif
}
EOP
case "$cc" in
'') modelcc="$cc" ;;
*) modelcc="cc" ;;
esac
( $modelcc -o pdp11 pdp11.c ) >/dev/null 2>&1
if $test -f pdp11 && ./pdp11 2>/dev/null; then
dflt='unsplit split'
else
tans=`./loc . X /lib/small /lib/large /usr/lib/small /usr/lib/large /lib/medium /usr/lib/medium /lib/huge`
case "$tans" in
X) dflt='none';;
*) if $test -d /lib/small || $test -d /usr/lib/small; then
dflt='small'
else
dflt=''
fi
if $test -d /lib/medium || $test -d /usr/lib/medium; then
dflt="$dflt medium"
fi
if $test -d /lib/large || $test -d /usr/lib/large; then
dflt="$dflt large"
fi
if $test -d /lib/huge || $test -d /usr/lib/huge; then
dflt="$dflt huge"
fi
esac
fi;;
*) dflt="$models";;
esac
$cat <<EOM
Some systems have different model sizes. On most systems they are called
small, medium, large, and huge. On the PDP11 they are called unsplit and
split. If your system doesn't support different memory models, say "none".
If you wish to force everything to one memory model, say "none" here and
put the appropriate flags later when it asks you for other cc and ld flags.
Venix systems may wish to put "none" and let the compiler figure things out.
(In the following question multiple model names should be space separated.)
The default for most systems is "none".
EOM
rp="Which memory models are supported?"
. ./myread
models="$ans"
case "$models" in
none)
small=''
medium=''
large=''
huge=''
unsplit=''
split=''
;;
*split)
case "$split" in
'') if $contains '\-i' $sysman/ld.1 >/dev/null 2>&1 || \
$contains '\-i' $sysman/cc.1 >/dev/null 2>&1; then
dflt='-i'
else
dflt='none'
fi;;
*) dflt="$split";;
esac
rp="What flag indicates separate I and D space?"
. ./myread
tans="$ans"
case "$tans" in
none) tans='';;
esac
split="$tans"
unsplit='';;
*large*|*small*|*medium*|*huge*)
case "$models" in
*large*)
case "$large" in
'') dflt='-Ml';;
*) dflt="$large";;
esac
rp="What flag indicates large model?"
. ./myread
tans="$ans"
case "$tans" in
none) tans='';
esac
large="$tans";;
*) large='';;
esac
case "$models" in
*huge*) case "$huge" in
'') dflt='-Mh';;
*) dflt="$huge";;
esac
rp="What flag indicates huge model?"
. ./myread
tans="$ans"
case "$tans" in
none) tans='';
esac
huge="$tans";;
*) huge="$large";;
esac
case "$models" in
*medium*) case "$medium" in
'') dflt='-Mm';;
*) dflt="$medium";;
esac
rp="What flag indicates medium model?"
. ./myread
tans="$ans"
case "$tans" in
none) tans='';
esac
medium="$tans";;
*) medium="$large";;
esac
case "$models" in
*small*) case "$small" in
'') dflt='none';;
*) dflt="$small";;
esac
rp="What flag indicates small model?"
. ./myread
tans="$ans"
case "$tans" in
none) tans='';
esac
small="$tans";;
*) small='';;
esac
;;
*)
echo "Unrecognized memory models--you may have to edit Makefile.SH" >&4
;;
esac
$rm -f pdp11.* pdp11
: make some quick guesses about what we are up against
echo " "
$echo $n "Hmm... $c"
echo exit 1 >bsd
echo exit 1 >usg
echo exit 1 >v7
echo exit 1 >osf1
echo exit 1 >eunice
echo exit 1 >xenix
echo exit 1 >venix
echo exit 1 >os2
d_bsd="$undef"
$cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null
if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1
then
echo "Looks kind of like an OSF/1 system, but we'll see..."
echo exit 0 >osf1
elif test `echo abc | tr a-z A-Z` = Abc ; then
xxx=`./loc addbib blurfl $pth`
if $test -f $xxx; then
echo "Looks kind of like a USG system with BSD features, but we'll see..."
echo exit 0 >bsd
echo exit 0 >usg
else
if $contains SIGTSTP foo >/dev/null 2>&1 ; then
echo "Looks kind of like an extended USG system, but we'll see..."
else
echo "Looks kind of like a USG system, but we'll see..."
fi
echo exit 0 >usg
fi
elif $contains SIGTSTP foo >/dev/null 2>&1 ; then
echo "Looks kind of like a BSD system, but we'll see..."
d_bsd="$define"
echo exit 0 >bsd
else
echo "Looks kind of like a Version 7 system, but we'll see..."
echo exit 0 >v7
fi
case "$eunicefix" in
*unixtovms*)
$cat <<'EOI'
There is, however, a strange, musty smell in the air that reminds me of
something...hmm...yes...I've got it...there's a VMS nearby, or I'm a Blit.
EOI
echo exit 0 >eunice
d_eunice="$define"
: it so happens the Eunice I know will not run shell scripts in Unix format
;;
*)
echo " "
echo "Congratulations. You aren't running Eunice."
d_eunice="$undef"
;;
esac
: Detect OS2. The p_ variable is set above in the Head.U unit.
case "$p_" in
:) ;;
*)
$cat <<'EOI'
I have the feeling something is not exactly right, however...don't tell me...
lemme think...does HAL ring a bell?...no, of course, you're only running OS/2!
EOI
echo exit 0 >os2
;;
esac
if test -f /xenix; then
echo "Actually, this looks more like a XENIX system..."
echo exit 0 >xenix
d_xenix="$define"
else
echo " "
echo "It's not Xenix..."
d_xenix="$undef"
fi
chmod +x xenix
$eunicefix xenix
if test -f /venix; then
echo "Actually, this looks more like a VENIX system..."
echo exit 0 >venix
else
echo " "
if ./xenix; then
: null
else
echo "Nor is it Venix..."
fi
fi
chmod +x bsd usg v7 osf1 eunice xenix venix os2
$eunicefix bsd usg v7 osf1 eunice xenix venix os2
$rm -f foo
: see if we need a special compiler
echo " "
if ./usg; then
case "$cc" in
'') case "$Mcc" in
/*) dflt='Mcc';;
*) case "$large" in
-M*) dflt='cc';;
*) if $contains '\-M' $sysman/cc.1 >/dev/null 2>&1 ; then
if $contains '\-M' $sysman/cpp.1 >/dev/null 2>&1; then
dflt='cc'
else
dflt='cc -M'
fi
else
dflt='cc'
fi;;
esac;;
esac;;
*) dflt="$cc";;
esac
case "$dflt" in
*M*) $cat <<'EOM'
On some older systems the default C compiler will not resolve multiple global
references that happen to have the same name. On some such systems the "Mcc"
command may be used to force these to be resolved. On other systems a "cc -M"
command is required. (Note that the -M flag on other systems indicates a
memory model to use!) If you have the Gnu C compiler, you might wish to use
that instead.
EOM
;;
esac
rp="Use which C compiler?"
. ./myread
cc="$ans"
else
case "$cc" in
'') dflt=cc;;
*) dflt="$cc";;
esac
rp="Use which C compiler?"
. ./myread
cc="$ans"
fi
: Look for a hint-file generated 'call-back-unit'. Now that the
: user has specified the compiler, we may need to set or change some
: other defaults.
if $test -f cc.cbu; then
. ./cc.cbu
fi
. ./checkcc
echo " "
echo "Checking for GNU cc in disguise and/or its version number..." >&4
$cat >gccvers.c <<EOM
#include <stdio.h>
int main() {
#ifdef __GNUC__
#ifdef __VERSION__
printf("%s\n", __VERSION__);
#else
printf("%s\n", "1");
#endif
#endif
exit(0);
}
EOM
if $cc $ldflags -o gccvers gccvers.c; then
gccversion=`./gccvers`
case "$gccversion" in
'') echo "You are not using GNU cc." ;;
*) echo "You are using GNU cc $gccversion."
;;
esac
else
echo " "
echo "*** WHOA THERE!!! ***" >&4
echo " Your C compiler \"$cc\" doesn't seem to be working!" >&4
case "$knowitall" in
'')
echo " You'd better start hunting for one and let me know about it." >&4
exit 1
;;
esac
fi
$rm -f gccvers*
case "$gccversion" in
1*) cpp=`./loc gcc-cpp $cpp $pth` ;;
esac
: see how we invoke the C preprocessor
echo " "
echo "Now, how can we feed standard input to your C preprocessor..." >&4
cat <<'EOT' >testcpp.c
#define ABC abc
#define XYZ xyz
ABC.XYZ
EOT
cd ..
if test ! -f cppstdin; then
if test "X$osname" = "Xaix" -a "X$gccversion" = X; then
# AIX cc -E doesn't show the absolute headerfile
# locations but we'll cheat by using the -M flag.
echo 'cat >.$$.c; rm -f .$$.u; '"$cc"' ${1+"$@"} -M -c .$$.c 2>/dev/null; test -s .$$.u && awk '"'"'$2 ~ /\.h$/ { print "# 0 \""$2"\"" }'"'"' .$$.u; rm -f .$$.o .$$.u; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
else
echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
fi
else
echo "Keeping your $hint cppstdin wrapper."
fi
chmod 755 cppstdin
wrapper=`pwd`/cppstdin
ok='false'
cd UU
if $test "X$cppstdin" != "X" && \
$cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
then
echo "You used to use $cppstdin $cppminus so we'll use that again."
case "$cpprun" in
'') echo "But let's see if we can live without a wrapper..." ;;
*)
if $cpprun $cpplast <testcpp.c >testcpp.out 2>&1 && \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
then
echo "(And we'll use $cpprun $cpplast to preprocess directly.)"
ok='true'
else
echo "(However, $cpprun $cpplast does not work, let's see...)"
fi
;;
esac
else
case "$cppstdin" in
'') ;;
*)
echo "Good old $cppstdin $cppminus does not seem to be of any help..."
;;
esac
fi
if $ok; then
: nothing
elif echo 'Maybe "'"$cc"' -E" will work...'; \
$cc -E <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
echo "Yup, it does."
x_cpp="$cc -E"
x_minus='';
elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \
$cc -E - <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
echo "Yup, it does."
x_cpp="$cc -E"
x_minus='-';
elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \
$cc -P <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
echo "Yipee, that works!"
x_cpp="$cc -P"
x_minus='';
elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \
$cc -P - <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
echo "At long last!"
x_cpp="$cc -P"
x_minus='-';
elif echo 'No such luck, maybe "'$cpp'" will work...'; \
$cpp <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
echo "It works!"
x_cpp="$cpp"
x_minus='';
elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \
$cpp - <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
echo "Hooray, it works! I was beginning to wonder."
x_cpp="$cpp"
x_minus='-';
elif echo 'Uh-uh. Time to get fancy. Trying a wrapper...'; \
$wrapper <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
x_cpp="$wrapper"
x_minus=''
echo "Eureka!"
else
dflt=''
rp="No dice. I can't find a C preprocessor. Name one:"
. ./myread
x_cpp="$ans"
x_minus=''
$x_cpp <testcpp.c >testcpp.out 2>&1
if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
echo "OK, that will do." >&4
else
echo "Sorry, I can't get that to work. Go find one and rerun Configure." >&4
exit 1
fi
fi
case "$ok" in
false)
cppstdin="$x_cpp"
cppminus="$x_minus"
cpprun="$x_cpp"
cpplast="$x_minus"
set X $x_cpp
shift
case "$1" in
"$cpp")
echo "Perhaps can we force $cc -E using a wrapper..."
if $wrapper <testcpp.c >testcpp.out 2>&1; \
$contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
then
echo "Yup, we can."
cppstdin="$wrapper"
cppminus='';
else
echo "Nope, we'll have to live without it..."
fi
;;
esac
case "$cpprun" in
"$wrapper")
cpprun=''
cpplast=''
;;
esac
;;
esac
case "$cppstdin" in
"$wrapper"|'cppstdin') ;;
*) $rm -f $wrapper;;
esac
$rm -f testcpp.c testcpp.out
: decide how portable to be. Allow command line overrides.
case "$d_portable" in
"$undef") ;;
*) d_portable="$define" ;;
esac
: set up shell script to do ~ expansion
cat >filexp <<EOSS
$startsh
: expand filename
case "\$1" in
~/*|~)
echo \$1 | $sed "s|~|\${HOME-\$LOGDIR}|"
;;
~*)
if $test -f /bin/csh; then
/bin/csh -f -c "glob \$1"
failed=\$?
echo ""
exit \$failed
else
name=\`$expr x\$1 : '..\([^/]*\)'\`
dir=\`$sed -n -e "/^\${name}:/{s/^[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:\([^:]*\).*"'\$'"/\1/" -e p -e q -e '}' </etc/passwd\`
if $test ! -d "\$dir"; then
me=\`basename \$0\`
echo "\$me: can't locate home directory for: \$name" >&2
exit 1
fi
case "\$1" in
*/*)
echo \$dir/\`$expr x\$1 : '..[^/]*/\(.*\)'\`
;;
*)
echo \$dir
;;
esac
fi
;;
*)
echo \$1
;;
esac
EOSS
chmod +x filexp
$eunicefix filexp
: now set up to get a file name
cat <<EOS >getfile
$startsh
EOS
cat <<'EOSC' >>getfile
tilde=''
fullpath=''
already=''
skip=''
none_ok=''
exp_file=''
nopath_ok=''
orig_rp="$rp"
orig_dflt="$dflt"
case "$gfpth" in
'') gfpth='.' ;;
esac
case "$fn" in
*\(*)
expr $fn : '.*(\(.*\)).*' | tr ',' $trnl >getfile.ok
fn=`echo $fn | sed 's/(.*)//'`
;;
esac
case "$fn" in
*:*)
loc_file=`expr $fn : '.*:\(.*\)'`
fn=`expr $fn : '\(.*\):.*'`
;;
esac
case "$fn" in
*~*) tilde=true;;
esac
case "$fn" in
*/*) fullpath=true;;
esac
case "$fn" in
*+*) skip=true;;
esac
case "$fn" in
*n*) none_ok=true;;
esac
case "$fn" in
*e*) exp_file=true;;
esac
case "$fn" in
*p*) nopath_ok=true;;
esac
case "$fn" in
*f*) type='File';;
*d*) type='Directory';;
*l*) type='Locate';;
esac
what="$type"
case "$what" in
Locate) what='File';;
esac
case "$exp_file" in
'')
case "$d_portable" in
"$define") ;;
*) exp_file=true;;
esac
;;
esac
cd ..
while test "$type"; do
redo=''
rp="$orig_rp"
dflt="$orig_dflt"
case "$tilde" in
true) rp="$rp (~name ok)";;
esac
. UU/myread
if test -f UU/getfile.ok && \
$contains "^$ans\$" UU/getfile.ok >/dev/null 2>&1
then
value="$ans"
ansexp="$ans"
break
fi
case "$ans" in
none)
value=''
ansexp=''
case "$none_ok" in
true) type='';;
esac
;;
*)
case "$tilde" in
'') value="$ans"
ansexp="$ans";;
*)
value=`UU/filexp $ans`
case $? in
0)
if test "$ans" != "$value"; then
echo "(That expands to $value on this system.)"
fi
;;
*) value="$ans";;
esac
ansexp="$value"
case "$exp_file" in
'') value="$ans";;
esac
;;
esac
case "$fullpath" in
true)
case "$ansexp" in
/*) value="$ansexp" ;;
[a-zA-Z]:/*) value="$ansexp" ;;
*)
redo=true
case "$already" in
true)
echo "I shall only accept a full path name, as in /bin/ls." >&4
echo "Use a ! shell escape if you wish to check pathnames." >&4
;;
*)
echo "Please give a full path name, starting with slash." >&4
case "$tilde" in
true)
echo "Note that using ~name is ok provided it expands well." >&4
already=true
;;
esac
esac
;;
esac
;;
esac
case "$redo" in
'')
case "$type" in
File)
for fp in $gfpth; do
if test "X$fp" = X.; then
pf="$ansexp"
else
pf="$fp/$ansexp"
fi
if test -f "$pf"; then
type=''
elif test -r "$pf" || (test -h "$pf") >/dev/null 2>&1
then
echo "($value is not a plain file, but that's ok.)"
type=''
fi
if test X"$type" = X; then
value="$pf"
break
fi
done
;;
Directory)
for fp in $gfpth; do
if test "X$fp" = X.; then
dir="$ans"
direxp="$ansexp"
else
dir="$fp/$ansexp"
direxp="$fp/$ansexp"
fi
if test -d "$direxp"; then
type=''
value="$dir"
break
fi
done
;;
Locate)
if test -d "$ansexp"; then
echo "(Looking for $loc_file in directory $value.)"
value="$value/$loc_file"
ansexp="$ansexp/$loc_file"
fi
if test -f "$ansexp"; then
type=''
fi
case "$nopath_ok" in
true) case "$value" in
*/*) ;;
*) echo "Assuming $value will be in people's path."
type=''
;;
esac
;;
esac
;;
esac
case "$skip" in
true) type='';
esac
case "$type" in
'') ;;
*)
if test "$fastread" = yes; then
dflt=y
else
dflt=n
fi
rp="$what $value doesn't exist. Use that name anyway?"
. UU/myread
dflt=''
case "$ans" in
y*) type='';;
*) echo " ";;
esac
;;
esac
;;
esac
;;
esac
done
cd UU
ans="$value"
rp="$orig_rp"
dflt="$orig_dflt"
rm -f getfile.ok
test "X$gfpthkeep" != Xy && gfpth=""
EOSC
: What should the include directory be ?
echo " "
$echo $n "Hmm... $c"
dflt='/usr/include'
incpath=''
mips_type=''
if $test -f /bin/mips && /bin/mips; then
echo "Looks like a MIPS system..."
$cat >usr.c <<'EOCP'
#ifdef SYSTYPE_BSD43
/bsd43
#endif
EOCP
if cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then
dflt='/bsd43/usr/include'
incpath='/bsd43'
mips_type='BSD 4.3'
else
mips_type='System V'
fi
$rm -f usr.c usr.out
echo "and you're compiling with the $mips_type compiler and libraries."
xxx_prompt=y
echo "exit 0" >mips
else
echo "Doesn't look like a MIPS system."
xxx_prompt=n
echo "exit 1" >mips
fi
chmod +x mips
$eunicefix mips
case "$usrinc" in
'') ;;
*) dflt="$usrinc";;
esac
case "$xxx_prompt" in
y) fn=d/
echo " "
rp='Where are the include files you want to use?'
. ./getfile
usrinc="$ans"
;;
*) usrinc="$dflt"
;;
esac
: Set private lib path
case "$plibpth" in
'') if ./mips; then
plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
fi;;
esac
case "$libpth" in
' ') dlist='';;
'') dlist="$loclibpth $plibpth $glibpth";;
*) dlist="$libpth";;
esac
: Now check and see which directories actually exist, avoiding duplicates
libpth=''
for xxx in $dlist
do
if $test -d $xxx; then
case " $libpth " in
*" $xxx "*) ;;
*) libpth="$libpth $xxx";;
esac
fi
done
$cat <<'EOM'
Some systems have incompatible or broken versions of libraries. Among
the directories listed in the question below, please remove any you
know not to be holding relevant libraries, and add any that are needed.
Say "none" for none.
EOM
case "$libpth" in
'') dflt='none';;
*)
set X $libpth
shift
dflt=${1+"$@"}
;;
esac
rp="Directories to use for library searches?"
. ./myread
case "$ans" in
none) libpth=' ';;
*) libpth="$ans";;
esac
: compute shared library extension
case "$so" in
'')
if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then
dflt='sl'
else
dflt='so'
fi
;;
*) dflt="$so";;
esac
$cat <<EOM
On some systems, shared libraries may be available. Answer 'none' if
you want to suppress searching of shared libraries for the remainder
of this configuration.
EOM
rp='What is the file extension used for shared libraries?'
. ./myread
so="$ans"
: Define several unixisms.
: Hints files or command line option can be used to override them.
: The convoluted testing is in case hints files set either the old
: or the new name.
case "$_exe" in
'') case "$exe_ext" in
'') ;;
*) _exe="$exe_ext" ;;
esac
;;
esac
case "$_a" in
'') case "$lib_ext" in
'') _a='.a';;
*) _a="$lib_ext" ;;
esac
;;
esac
case "$_o" in
'') case "$obj_ext" in
'') _o='.o';;
*) _o="$obj_ext";;
esac
;;
esac
case "$p_" in
'') case "$path_sep" in
'') p_=':';;
*) p_="$path_sep";;
esac
;;
esac
exe_ext=$_exe
lib_ext=$_a
obj_ext=$_o
path_sep=$p_
: Which makefile gets called first. This is used by make depend.
case "$firstmakefile" in
'') firstmakefile='makefile';;
esac
case "$usesocks" in
$define|true|[yY]*) dflt='y';;
*) dflt='n';;
esac
cat <<EOM
Perl can be built to use the SOCKS proxy protocol library. To do so,
Configure must be run with -Dusesocks.
If this doesn't make any sense to you, just accept the default '$dflt'.
EOM
rp='Build Perl for SOCKS?'
. ./myread
case "$ans" in
y|Y) val="$define" ;;
*) val="$undef" ;;
esac
set usesocks
eval $setvar
: Looking for optional libraries
echo " "
echo "Checking for optional libraries..." >&4
case "$libs" in
' '|'') dflt='';;
*) dflt="$libs";;
esac
case "$libswanted" in
'') libswanted='c_s';;
esac
case "$usesocks" in
"$define") libswanted="$libswanted socks5 socks5_sh" ;;
esac
libsfound=''
libsfiles=''
libsdirs=''
libspath=''
for thisdir in $libpth $xlibpth; do
test -d $thisdir && libspath="$libspath $thisdir"
done
for thislib in $libswanted; do
for thisdir in $libspath; do
xxx=''
if $test ! -f "$xxx" -a "X$ignore_versioned_solibs" = "X"; then
xxx=`ls $thisdir/lib$thislib.$so.[0-9] 2>/dev/null|tail -1`
$test -f "$xxx" && eval $libscheck
$test -f "$xxx" && libstyle=shared
fi
if test ! -f "$xxx"; then
xxx=$thisdir/lib$thislib.$so
$test -f "$xxx" && eval $libscheck
$test -f "$xxx" && libstyle=shared
fi
if test ! -f "$xxx"; then
xxx=$thisdir/lib$thislib$_a
$test -f "$xxx" && eval $libscheck
$test -f "$xxx" && libstyle=static
fi
if test ! -f "$xxx"; then
xxx=$thisdir/$thislib$_a
$test -f "$xxx" && eval $libscheck
$test -f "$xxx" && libstyle=static
fi
if test ! -f "$xxx"; then
xxx=$thisdir/lib${thislib}_s$_a
$test -f "$xxx" && eval $libscheck
$test -f "$xxx" && libstyle=static
$test -f "$xxx" && thislib=${thislib}_s
fi
if test ! -f "$xxx"; then
xxx=$thisdir/Slib$thislib$_a
$test -f "$xxx" && eval $libscheck
$test -f "$xxx" && libstyle=static
fi
if $test -f "$xxx"; then
case "$libstyle" in
shared) echo "Found -l$thislib (shared)." ;;
static) echo "Found -l$thislib." ;;
*) echo "Found -l$thislib ($libstyle)." ;;
esac
case " $dflt " in
*"-l$thislib "*);;
*) dflt="$dflt -l$thislib"
libsfound="$libsfound $xxx"
yyy=`basename $xxx`
libsfiles="$libsfiles $yyy"
yyy=`echo $xxx|$sed -e "s%/$yyy\\$%%"`
case " $libsdirs " in
*" $yyy "*) ;;
*) libsdirs="$libsdirs $yyy" ;;
esac
;;
esac
break
fi
done
if $test ! -f "$xxx"; then
echo "No -l$thislib."
fi
done
set X $dflt
shift
dflt="$*"
case "$libs" in
'') dflt="$dflt";;
*) dflt="$libs";;
esac
case "$dflt" in
' '|'') dflt='none';;
esac
$cat <<EOM
In order to compile $package on your machine, a number of libraries
are usually needed. Include any other special libraries here as well.
Say "none" for none. The default list is almost always right.
EOM
echo " "
rp="What libraries to use?"
. ./myread
case "$ans" in
none) libs=' ';;
*) libs="$ans";;
esac
: determine optimization, if desired, or use for debug flag also
case "$optimize" in
' '|$undef) dflt='none';;
'') dflt='-O';;
*) dflt="$optimize";;
esac
$cat <<EOH
By default, $package compiles with the -O flag to use the optimizer.
Alternately, you might want to use the symbolic debugger, which uses
the -g flag (on traditional Unix systems). Either flag can be
specified here. To use neither flag, specify the word "none".
EOH
rp="What optimizer/debugger flag should be used?"
. ./myread
optimize="$ans"
case "$optimize" in
'none') optimize=" ";;
esac
dflt=''
: We will not override a previous value, but we might want to
: augment a hint file
case "$hint" in
default|recommended)
case "$gccversion" in
1*) dflt='-fpcc-struct-return' ;;
esac
case "$optimize" in
*-g*) dflt="$dflt -DDEBUGGING";;
esac
case "$gccversion" in
2*) if test -d /etc/conf/kconfig.d &&
$contains _POSIX_VERSION $usrinc/sys/unistd.h >/dev/null 2>&1
then
dflt="$dflt -posix"
fi
;;
esac
case "$gccversion" in
1*) ;;
2.[0-8]*) ;;
?*) echo " "
echo "Checking if your compiler accepts -fno-strict-aliasing" 2>&1
echo 'int main(void) { return 0; }' > gcctest.c
if $cc -O2 -fno-strict-aliasing -o gcctest gcctest.c; then
echo "Yes, it does." 2>&1
case "$ccflags" in
*strict-aliasing*)
echo "Leaving current flags $ccflags alone." 2>&1
;;
*) dflt="$dflt -fno-strict-aliasing" ;;
esac
else
echo "Nope, it doesn't, but that's ok." 2>&1
fi
;;
esac
;;
esac
case "$mips_type" in
*BSD*|'') inclwanted="$locincpth $usrinc";;
*) inclwanted="$locincpth $inclwanted $usrinc/bsd";;
esac
for thisincl in $inclwanted; do
if $test -d $thisincl; then
if $test x$thisincl != x$usrinc; then
case "$dflt" in
*$thisincl*);;
*) dflt="$dflt -I$thisincl";;
esac
fi
fi
done
inctest='if $contains $2 $usrinc/$1 >/dev/null 2>&1; then
xxx=true;
elif $contains $2 $usrinc/sys/$1 >/dev/null 2>&1; then
xxx=true;
else
xxx=false;
fi;
if $xxx; then
case "$dflt" in
*$2*);;
*) dflt="$dflt -D$2";;
esac;
fi'
set signal.h LANGUAGE_C; eval $inctest
case "$usesocks" in
$define)
ccflags="$ccflags -DSOCKS"
;;
esac
case "$hint" in
default|recommended) dflt="$ccflags $dflt" ;;
*) dflt="$ccflags";;
esac
case "$dflt" in
''|' ') dflt=none;;
esac
$cat <<EOH
Your C compiler may want other flags. For this question you should include
-I/whatever and -DWHATEVER flags and any other flags used by the C compiler,
but you should NOT include libraries or ld flags like -lwhatever. If you
want $package to honor its debug switch, you should include -DDEBUGGING here.
Your C compiler might also need additional flags, such as -D_POSIX_SOURCE.
To use no flags, specify the word "none".
EOH
set X $dflt
shift
dflt=${1+"$@"}
rp="Any additional cc flags?"
. ./myread
case "$ans" in
none) ccflags='';;
*) ccflags="$ans";;
esac
: the following weeds options from ccflags that are of no interest to cpp
cppflags="$ccflags"
case "$gccversion" in
1*) cppflags="$cppflags -D__GNUC__"
esac
case "$mips_type" in
'');;
*BSD*) cppflags="$cppflags -DSYSTYPE_BSD43";;
esac
case "$cppflags" in
'');;
*)
echo " "
echo "Let me guess what the preprocessor flags are..." >&4
set X $cppflags
shift
cppflags=''
$cat >cpp.c <<'EOM'
#define BLURFL foo
BLURFL xx LFRULB
EOM
previous=''
for flag in $*
do
case "$flag" in
-*) ftry="$flag";;
*) ftry="$previous $flag";;
esac
if $cppstdin -DLFRULB=bar $cppflags $ftry $cppminus <cpp.c \
>cpp1.out 2>/dev/null && \
$cpprun -DLFRULB=bar $cppflags $ftry $cpplast <cpp.c \
>cpp2.out 2>/dev/null && \
$contains 'foo.*xx.*bar' cpp1.out >/dev/null 2>&1 && \
$contains 'foo.*xx.*bar' cpp2.out >/dev/null 2>&1
then
cppflags="$cppflags $ftry"
previous=''
else
previous="$flag"
fi
done
set X $cppflags
shift
cppflags=${1+"$@"}
case "$cppflags" in
*-*) echo "They appear to be: $cppflags";;
esac
$rm -f cpp.c cpp?.out
;;
esac
: flags used in final linking phase
case "$ldflags" in
'') if ./venix; then
dflt='-i -z'
else
dflt=''
fi
case "$ccflags" in
*-posix*) dflt="$dflt -posix" ;;
esac
;;
*) dflt="$ldflags";;
esac
: Try to guess additional flags to pick up local libraries.
for thislibdir in $libpth; do
case " $loclibpth " in
*" $thislibdir "*)
case "$dflt " in
*"-L$thislibdir "*) ;;
*) dflt="$dflt -L$thislibdir" ;;
esac
;;
esac
done
case "$dflt" in
'') dflt='none' ;;
esac
$cat <<EOH
Your C linker may need flags. For this question you should
include -L/whatever and any other flags used by the C linker, but you
should NOT include libraries like -lwhatever.
Make sure you include the appropriate -L/path flags if your C linker
does not normally search all of the directories you specified above,
namely
$libpth
To use no flags, specify the word "none".
EOH
rp="Any additional ld flags (NOT including libraries)?"
. ./myread
case "$ans" in
none) ldflags='';;
*) ldflags="$ans";;
esac
rmlist="$rmlist pdp11"
: coherency check
echo " "
echo "Checking your choice of C compiler and flags for coherency..." >&4
$cat > try.c <<'EOF'
#include <stdio.h>
int main() { printf("Ok\n"); exit(0); }
EOF
set X $cc $optimize $ccflags -o try $ldflags try.c $libs
shift
$cat >try.msg <<'EOM'
I've tried to compile and run the following simple program:
EOM
$cat try.c >> try.msg
$cat >> try.msg <<EOM
I used the command:
$*
./try
and I got the following output:
EOM
dflt=y
if sh -c "$cc $optimize $ccflags -o try $ldflags try.c $libs" >>try.msg 2>&1; then
if sh -c './try' >>try.msg 2>&1; then
xxx=`./try`
case "$xxx" in
"Ok") dflt=n ;;
*) echo 'The program compiled OK, but produced no output.' >> try.msg
case " $libs " in
*" -lsfio "*)
cat >> try.msg <<'EOQS'
If $libs contains -lsfio, and sfio is mis-configured, then it
sometimes (apparently) runs and exits with a 0 status, but with no
output! It may have to do with sfio's use of _exit vs. exit.
EOQS
rp="You have a big problem. Shall I abort Configure"
dflt=y
;;
esac
;;
esac
else
echo "The program compiled OK, but exited with status $?." >>try.msg
rp="You have a problem. Shall I abort Configure"
dflt=y
fi
else
echo "I can't compile the test program." >>try.msg
rp="You have a BIG problem. Shall I abort Configure"
dflt=y
fi
case "$dflt" in
y)
$cat try.msg >&4
case "$knowitall" in
'')
echo "(The supplied flags or libraries might be incorrect.)"
;;
*) dflt=n;;
esac
echo " "
. ./myread
case "$ans" in
n*|N*) ;;
*) echo "Ok. Stopping Configure." >&4
exit 1
;;
esac
;;
n) echo "OK, that should do.";;
esac
$rm -f try try.* core
: define an is-a-typedef? function
typedef='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@;
case "$inclist" in
"") inclist="sys/types.h";;
esac;
eval "varval=\$$var";
case "$varval" in
"")
$rm -f temp.c;
for inc in $inclist; do
echo "#include <$inc>" >>temp.c;
done;
echo "#ifdef $type" >> temp.c;
echo "printf(\"We have $type\");" >> temp.c;
echo "#endif" >> temp.c;
$cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null;
if $contains $type temp.E >/dev/null 2>&1; then
eval "$var=\$type";
else
eval "$var=\$def";
fi;
$rm -f temp.?;;
*) eval "$var=\$varval";;
esac'
: define an is-a-typedef? function that prompts if the type is not available.
typedef_ask='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@;
case "$inclist" in
"") inclist="sys/types.h";;
esac;
eval "varval=\$$var";
case "$varval" in
"")
$rm -f temp.c;
for inc in $inclist; do
echo "#include <$inc>" >>temp.c;
done;
echo "#ifdef $type" >> temp.c;
echo "printf(\"We have $type\");" >> temp.c;
echo "#endif" >> temp.c;
$cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null;
echo " " ;
echo "$rp" | $sed -e "s/What is/Looking for/" -e "s/?/./";
if $contains $type temp.E >/dev/null 2>&1; then
echo "$type found." >&4;
eval "$var=\$type";
else
echo "$type NOT found." >&4;
dflt="$def";
. ./myread ;
eval "$var=\$ans";
fi;
$rm -f temp.?;;
*) eval "$var=\$varval";;
esac'
: define a shorthand compile call
compile='
mc_file=$1;
shift;
$cc $optimize $ccflags $ldflags -o ${mc_file} $* ${mc_file}.c $libs > /dev/null 2>&1;'
: define a shorthand compile call for compilations that should be ok.
compile_ok='
mc_file=$1;
shift;
$cc $optimize $ccflags $ldflags -o ${mc_file} $* ${mc_file}.c $libs;'
: check for lengths of integral types
echo " "
case "$intsize" in
'')
echo "Checking to see how big your integers are..." >&4
$cat >intsize.c <<'EOCP'
#include <stdio.h>
int main()
{
printf("intsize=%d;\n", (int)sizeof(int));
printf("longsize=%d;\n", (int)sizeof(long));
printf("shortsize=%d;\n", (int)sizeof(short));
exit(0);
}
EOCP
set intsize
if eval $compile_ok && ./intsize > /dev/null; then
eval `./intsize`
echo "Your integers are $intsize bytes long."
echo "Your long integers are $longsize bytes long."
echo "Your short integers are $shortsize bytes long."
else
$cat >&4 <<EOM
!
Help! I can't compile and run the intsize test program: please enlighten me!
(This is probably a misconfiguration in your system or libraries, and
you really ought to fix it. Still, I'll try anyway.)
!
EOM
dflt=4
rp="What is the size of an integer (in bytes)?"
. ./myread
intsize="$ans"
dflt=$intsize
rp="What is the size of a long integer (in bytes)?"
. ./myread
longsize="$ans"
dflt=2
rp="What is the size of a short integer (in bytes)?"
. ./myread
shortsize="$ans"
fi
;;
esac
$rm -f intsize intsize.*
: see what type lseek is declared as in the kernel
rp="What is the type used for lseek's offset on this system?"
set off_t lseektype long stdio.h sys/types.h
eval $typedef_ask
echo " "
echo "Checking to see how big your file offsets are..." >&4
$cat >try.c <<EOCP
#include <sys/types.h>
#include <stdio.h>
int main()
{
printf("%d\n", (int)sizeof($lseektype));
return(0);
}
EOCP
set try
if eval $compile_ok; then
lseeksize=`./try`
echo "Your file offsets are $lseeksize bytes long."
else
dflt=$longsize
echo " "
echo "(I can't seem to compile the test program. Guessing...)"
rp="What is the size of your file offsets (in bytes)?"
. ./myread
lseeksize="$ans"
fi
$rm -f try.c try
: see what type file positions are declared as in the library
rp="What is the type for file position used by fsetpos()?"
set fpos_t fpostype long stdio.h sys/types.h
eval $typedef_ask
echo " "
case "$fpostype" in
*_t) zzz="$fpostype" ;;
*) zzz="fpos_t" ;;
esac
echo "Checking the size of $zzz..." >&4
cat > try.c <<EOCP
#include <sys/types.h>
#include <stdio.h>
int main() {
printf("%d\n", (int)sizeof($fpostype));
exit(0);
}
EOCP
set try
if eval $compile_ok; then
yyy=`./try`
case "$yyy" in
'') fpossize=4
echo "(I can't execute the test program--guessing $fpossize.)" >&4
;;
*) fpossize=$yyy
echo "Your $zzz is $fpossize bytes long."
;;
esac
else
dflt="$longsize"
echo " " >&4
echo "(I can't compile the test program. Guessing...)" >&4
rp="What is the size of your file positions (in bytes)?"
. ./myread
fpossize="$ans"
fi
# Backward compatibility (uselfs is deprecated).
case "$uselfs" in
"$define"|true|[yY]*)
cat <<EOM >&4
*** Configure -Duselfs is deprecated, using -Duselargefiles instead.
EOM
uselargefiles="$define"
;;
esac
case "$lseeksize:$fpossize" in
8:8) cat <<EOM
You can have files larger than 2 gigabytes.
EOM
val="$define" ;;
*) case "$uselargefiles" in
"$undef"|false|[nN]*) dflt='n' ;;
*) dflt='y' ;;
esac
cat <<EOM
Perl can be built to understand large files (files larger than 2 gigabytes)
on some systems. To do so, Configure can be run with -Duselargefiles.
If this doesn't make any sense to you, just accept the default '$dflt'.
EOM
rp='Try to understand large files, if available?'
. ./myread
case "$ans" in
y|Y) val="$define" ;;
*) val="$undef" ;;
esac
;;
esac
set uselargefiles
eval $setvar
case "$uselargefiles" in
"$define")
: Look for a hint-file generated 'call-back-unit'. If the
: user has specified that a large files perl is to be built,
: we may need to set or change some other defaults.
if $test -f uselargefiles.cbu; then
echo "Your platform has some specific hints for large file builds, using them..."
. ./uselargefiles.cbu
echo " "
echo "Rechecking to see how big your file offsets are..." >&4
$cat >try.c <<EOCP
#include <sys/types.h>
#include <stdio.h>
int main()
{
printf("%d\n", (int)sizeof($lseektype));
return(0);
}
EOCP
set try
if eval $compile_ok; then
lseeksize=`./try`
$echo "Your file offsets are now $lseeksize bytes long."
else
dflt="$lseeksize"
echo " "
echo "(I can't seem to compile the test program. Guessing...)"
rp="What is the size of your file offsets (in bytes)?"
. ./myread
lseeksize="$ans"
fi
case "$fpostype" in
*_t) zzz="$fpostype" ;;
*) zzz="fpos_t" ;;
esac
$echo $n "Rechecking the size of $zzz...$c" >&4
$cat > try.c <<EOCP
#include <sys/types.h>
#include <stdio.h>
int main() {
printf("%d\n", (int)sizeof($fpostype));
exit(0);
}
EOCP
set try
if eval $compile_ok; then
yyy=`./try`
dflt="$lseeksize"
case "$yyy" in
'') echo " "
echo "(I can't execute the test program--guessing $fpossize.)" >&4
;;
*) fpossize=$yyy
echo " $fpossize bytes." >&4
;;
esac
else
dflt="$fpossize"
echo " "
echo "(I can't compile the test program. Guessing...)" >&4
rp="What is the size of your file positions (in bytes)?"
. ./myread
fpossize="$ans"
fi
$rm -f try.c try
fi
;;
esac
case "$usemorebits" in
"$define"|true|[yY]*)
use64bitint="$define"
uselongdouble="$define"
usemorebits="$define"
;;
*) usemorebits="$undef"
;;
esac
case "$uselonglong" in
"$define"|true|[yY]*)
cat <<EOM >&4
*** Configure -Duselonglong is deprecated, using -Duse64bitint instead.
EOM
use64bitint="$define"
;;
esac
case "$use64bits" in
"$define"|true|[yY]*)
cat <<EOM >&4
*** Configure -Duse64bits is deprecated, using -Duse64bitint instead.
EOM
use64bitint="$define"
;;
esac
case "$use64bitints" in
"$define"|true|[yY]*)
cat <<EOM >&4
*** There is no Configure -Duse64bitints, using -Duse64bitint instead.
EOM
use64bitint="$define"
;;
esac
case "$use64bitsint" in
"$define"|true|[yY]*)
cat <<EOM >&4
*** There is no Configure -Duse64bitsint, using -Duse64bitint instead.
EOM
use64bitint="$define"
;;
esac
case "$uselonglongs" in
"$define"|true|[yY]*)
cat <<EOM >&4
*** There is no Configure -Duselonglongs, using -Duse64bitint instead.
EOM
use64bitint="$define"
;;
esac
case "$use64bitsall" in
"$define"|true|[yY]*)
cat <<EOM >&4
*** There is no Configure -Duse64bitsall, using -Duse64bitall instead.
EOM
use64bitall="$define"
;;
esac
case "$ccflags" in
*-DUSE_LONG_LONG*|*-DUSE_64_BIT_INT*|*-DUSE_64_BIT_ALL*) use64bitint="$define";;
esac
case "$use64bitall" in
"$define"|true|[yY]*) use64bitint="$define" ;;
esac
case "$longsize" in
8) cat <<EOM
You have natively 64-bit long integers.
EOM
val="$define"
;;
*) case "$use64bitint" in
"$define"|true|[yY]*) dflt='y';;
*) dflt='n';;
esac
cat <<EOM
Perl can be built to take advantage of 64-bit integer types
on some systems. To do so, Configure can be run with -Duse64bitint.
Choosing this option will most probably introduce binary incompatibilities.
If this doesn't make any sense to you, just accept the default '$dflt'.
EOM
rp='Try to use 64-bit integers, if available?'
. ./myread
case "$ans" in
[yY]*) val="$define" ;;
*) val="$undef" ;;
esac
;;
esac
set use64bitint
eval $setvar
case "$use64bitall" in
"$define"|true|[yY]*) dflt='y' ;;
*) case "$longsize" in
8) dflt='y' ;;
*) dflt='n' ;;
esac
;;
esac
cat <<EOM
You may also choose to try maximal 64-bitness. It means using as much
64-bitness as possible on the platform. This in turn means even more
binary incompatibilities. On the other hand, your platform may not
have any more 64-bitness available than what you already have chosen.
If this doesn't make any sense to you, just accept the default '$dflt'.
EOM
rp='Try to use maximal 64-bit support, if available?'
. ./myread
case "$ans" in
[yY]*) val="$define" ;;
*) val="$undef" ;;
esac
set use64bitall
eval $setvar
case "$use64bitall" in
"$define")
case "$use64bitint" in
"$undef")
cat <<EOM
Since you have chosen a maximally 64-bit build, I'm also turning on
the use of 64-bit integers.
EOM
use64bitint="$define" ;;
esac
;;
esac
case "$use64bitint" in
"$define"|true|[yY]*)
: Look for a hint-file generated 'call-back-unit'. If the
: user has specified that a 64-bit perl is to be built,
: we may need to set or change some other defaults.
if $test -f use64bitint.cbu; then
echo "Your platform has some specific hints for 64-bit integers, using them..."
. ./use64bitint.cbu
fi
case "$longsize" in
4) case "$archname64" in
'') archname64=64int ;;
esac
;;
esac
;;
esac
case "$use64bitall" in
"$define"|true|[yY]*)
: Look for a hint-file generated 'call-back-unit'. If the
: user has specified that a maximally 64-bit perl is to be built,
: we may need to set or change some other defaults.
if $test -f use64bitall.cbu; then
echo "Your platform has some specific hints for 64-bit builds, using them..."
. ./use64bitall.cbu
fi
case "$longsize" in
4) case "$archname64" in
''|64int) archname64=64all ;;
esac
;;
esac
;;
esac
: determine the architecture name
echo " "
if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then
tarch=`arch`"-$osname"
elif xxx=`./loc uname blurfl $pth`; $test -f "$xxx" ; then
if uname -m > tmparch 2>&1 ; then
tarch=`$sed -e 's/ *$//' -e 's/ /_/g' \
-e 's/$/'"-$osname/" tmparch`
else
tarch="$osname"
fi
$rm -f tmparch
else
tarch="$osname"
fi
case "$myarchname" in
''|"$tarch") ;;
*)
echo "(Your architecture name used to be $myarchname.)"
archname=''
;;
esac
myarchname="$tarch"
case "$archname" in
'') dflt="$tarch";;
*) dflt="$archname";;
esac
rp='What is your architecture name'
. ./myread
archname="$ans"
case "$usethreads" in
$define)
echo "Threads selected." >&4
case "$archname" in
*-thread*) echo "...and architecture name already has -thread." >&4
;;
*) archname="$archname-thread"
echo "...setting architecture name to $archname." >&4
;;
esac
;;
esac
case "$usemultiplicity" in
$define)
echo "Multiplicity selected." >&4
case "$archname" in
*-multi*) echo "...and architecture name already has -multi." >&4
;;
*) archname="$archname-multi"
echo "...setting architecture name to $archname." >&4
;;
esac
;;
esac
case "$use64bitint" in
$define)
case "$archname64" in
'')
;;
*)
case "$archname" in
*-$archname64*) echo "...and architecture name already has $archname64." >&4
;;
*) archname="$archname-$archname64"
echo "...setting architecture name to $archname." >&4
;;
esac
;;
esac
esac
: determine root of directory hierarchy where package will be installed.
case "$prefix" in
'')
dflt=`./loc . /usr/local /usr/local /local /opt /usr`
;;
*)
dflt="$prefix"
;;
esac
$cat <<EOM
By default, $package will be installed in $dflt/bin, manual pages
under $dflt/man, etc..., i.e. with $dflt as prefix for all
installation directories. Typically this is something like /usr/local.
If you wish to have binaries under /usr/bin but other parts of the
installation under /usr/local, that's ok: you will be prompted
separately for each of the installation directories, the prefix being
only used to set the defaults.
EOM
fn=d~
rp='Installation prefix to use?'
. ./getfile
oldprefix=''
case "$prefix" in
'') ;;
*)
case "$ans" in
"$prefix") ;;
*) oldprefix="$prefix";;
esac
;;
esac
prefix="$ans"
prefixexp="$ansexp"
: is AFS running?
echo " "
case "$afs" in
$define|true) afs=true ;;
$undef|false) afs=false ;;
*) if test -d /afs; then
afs=true
else
afs=false
fi
;;
esac
if $afs; then
echo "AFS may be running... I'll be extra cautious then..." >&4
else
echo "AFS does not seem to be running..." >&4
fi
: determine installation prefix for where package is to be installed.
if $afs; then
$cat <<EOM
Since you are running AFS, I need to distinguish the directory in which
files will reside from the directory in which they are installed (and from
which they are presumably copied to the former directory by occult means).
EOM
case "$installprefix" in
'') dflt=`echo $prefix | sed 's#^/afs/#/afs/.#'`;;
*) dflt="$installprefix";;
esac
else
$cat <<EOM
In some special cases, particularly when building $package for distribution,
it is convenient to distinguish between the directory in which files should
be installed from the directory ($prefix) in which they
will eventually reside. For most users, these two directories are the same.
EOM
case "$installprefix" in
'') dflt=$prefix ;;
*) dflt=$installprefix;;
esac
fi
fn=d~
rp='What installation prefix should I use for installing files?'
. ./getfile
installprefix="$ans"
installprefixexp="$ansexp"
: set the prefixit variable, to compute a suitable default value
prefixit='case "$3" in
""|none)
case "$oldprefix" in
"") eval "$1=\"\$$2\"";;
*)
case "$3" in
"") eval "$1=";;
none)
eval "tp=\"\$$2\"";
case "$tp" in
""|" ") eval "$1=\"\$$2\"";;
*) eval "$1=";;
esac;;
esac;;
esac;;
*)
eval "tp=\"$oldprefix-\$$2-\""; eval "tp=\"$tp\"";
case "$tp" in
--|/*--|\~*--) eval "$1=\"$prefix/$3\"";;
/*-$oldprefix/*|\~*-$oldprefix/*)
eval "$1=\`echo \$$2 | sed \"s,^$oldprefix,$prefix,\"\`";;
*) eval "$1=\"\$$2\"";;
esac;;
esac'
: get the patchlevel
echo " "
echo "Getting the current patchlevel..." >&4
if $test -r $rsrc/patchlevel.h;then
revision=`awk '/define[ ]+PERL_REVISION/ {print $3}' $rsrc/patchlevel.h`
patchlevel=`awk '/define[ ]+PERL_VERSION/ {print $3}' $rsrc/patchlevel.h`
subversion=`awk '/define[ ]+PERL_SUBVERSION/ {print $3}' $rsrc/patchlevel.h`
api_revision=`awk '/define[ ]+PERL_API_REVISION/ {print $3}' $rsrc/patchlevel.h`
api_version=`awk '/define[ ]+PERL_API_VERSION/ {print $3}' $rsrc/patchlevel.h`
api_subversion=`awk '/define[ ]+PERL_API_SUBVERSION/ {print $3}' $rsrc/patchlevel.h`
else
revision=0
patchlevel=0
subversion=0
api_revision=0
api_version=0
api_subversion=0
fi
$echo $n "(You have $package revision $revision" $c
$echo $n " patchlevel $patchlevel" $c
test 0 -eq "$subversion" || $echo $n " subversion $subversion" $c
echo ".)"
case "$osname" in
dos|vms)
: XXX Should be a Configure test for double-dots in filenames.
version=`echo $revision $patchlevel $subversion | \
$awk '{ printf "%d_%d_%d\n", $1, $2, $3 }'`
api_versionstring=`echo $api_revision $api_version $api_subversion | \
$awk '{ printf "%d_%d_%d\n", $1, $2, $3 }'`
;;
*)
version=`echo $revision $patchlevel $subversion | \
$awk '{ printf "%d.%d.%d\n", $1, $2, $3 }'`
api_versionstring=`echo $api_revision $api_version $api_subversion | \
$awk '{ printf "%d.%d.%d\n", $1, $2, $3 }'`
;;
esac
: Special case the 5.005_xx maintenance series, which used 5.005
: without any subversion label as a subdirectory in $sitelib
if test "${api_revision}${api_version}${api_subversion}" = "550"; then
api_versionstring='5.005'
fi
: determine installation style
: For now, try to deduce it from prefix unless it is already set.
: Reproduce behavior of 5.005 and earlier, maybe drop that in 5.7.
case "$installstyle" in
'') case "$prefix" in
*perl*) dflt='lib';;
*) dflt='lib/perl5' ;;
esac
;;
*) dflt="$installstyle" ;;
esac
: Probably not worth prompting for this since we prompt for all
: the directories individually, and the prompt would be too long and
: confusing anyway.
installstyle=$dflt
: determine where private library files go
: Usual default is /usr/local/lib/perl5/$version.
: Also allow things like /opt/perl/lib/$version, since
: /opt/perl/lib/perl5... would be redundant.
: The default "style" setting is made in installstyle.U
case "$installstyle" in
*lib/perl5*) set dflt privlib lib/$package/$version ;;
*) set dflt privlib lib/$version ;;
esac
eval $prefixit
$cat <<EOM
There are some auxiliary files for $package that need to be put into a
private library directory that is accessible by everyone.
EOM
fn=d~+
rp='Pathname where the private library files will reside?'
. ./getfile
privlib="$ans"
privlibexp="$ansexp"
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
installprivlib=`echo $privlibexp | sed "s#^$prefix#$installprefix#"`
else
installprivlib="$privlibexp"
fi
: set the prefixup variable, to restore leading tilda escape
prefixup='case "$prefixexp" in
"$prefix") ;;
*) eval "$1=\`echo \$$1 | sed \"s,^$prefixexp,$prefix,\"\`";;
esac'
: determine where public architecture dependent libraries go
set archlib archlib
eval $prefixit
: privlib default is /usr/local/lib/$package/$version
: archlib default is /usr/local/lib/$package/$version/$archname
: privlib may have an optional trailing /share.
tdflt=`echo $privlib | $sed 's,/share$,,'`
tdflt=$tdflt/$archname
case "$archlib" in
'') dflt=$tdflt
;;
*) dflt="$archlib"
;;
esac
$cat <<EOM
$spackage contains architecture-dependent library files. If you are
sharing libraries in a heterogeneous environment, you might store
these files in a separate location. Otherwise, you can just include
them with the rest of the public library files.
EOM
fn=d+~
rp='Where do you want to put the public architecture-dependent libraries?'
. ./getfile
archlib="$ans"
archlibexp="$ansexp"
if $test X"$archlib" = X"$privlib"; then
d_archlib="$undef"
else
d_archlib="$define"
fi
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
installarchlib=`echo $archlibexp | sed "s#^$prefix#$installprefix#"`
else
installarchlib="$archlibexp"
fi
: Binary compatibility with 5.005 is not possible for builds
: with advanced features
case "$usethreads$usemultiplicity" in
*define*)
bincompat5005="$undef"
d_bincompat5005="$undef"
;;
*) $cat <<EOM
This version of Perl can be compiled for binary compatibility with 5.005.
If you decide to do so, you will be able to continue using most of the
extensions that were compiled for Perl 5.005.
EOM
case "$bincompat5005$d_bincompat5005" in
*"$undef"*) dflt=n ;;
*) dflt=y ;;
esac
rp='Binary compatibility with Perl 5.005?'
. ./myread
case "$ans" in
y*) val="$define" ;;
*) val="$undef" ;;
esac
set d_bincompat5005
eval $setvar
case "$d_bincompat5005" in
"$define")
bincompat5005="$define"
;;
*) bincompat5005="$undef"
d_bincompat5005="$undef"
;;
esac
;;
esac
: see if setuid scripts can be secure
$cat <<EOM
Some kernels have a bug that prevents setuid #! scripts from being
secure. Some sites have disabled setuid #! scripts because of this.
First let's decide if your kernel supports secure setuid #! scripts.
(If setuid #! scripts would be secure but have been disabled anyway,
don't say that they are secure if asked.)
EOM
val="$undef"
if $test -d /dev/fd; then
echo "#!$ls" >reflect
chmod +x,u+s reflect
./reflect >flect 2>&1
if $contains "/dev/fd" flect >/dev/null; then
echo "Congratulations, your kernel has secure setuid scripts!" >&4
val="$define"
else
$cat <<EOM
If you are not sure if they are secure, I can check but I'll need a
username and password different from the one you are using right now.
If you don't have such a username or don't want me to test, simply
enter 'none'.
EOM
rp='Other username to test security of setuid scripts with?'
dflt='none'
. ./myread
case "$ans" in
n|none)
case "$d_suidsafe" in
'') echo "I'll assume setuid scripts are *not* secure." >&4
dflt=n;;
"$undef")
echo "Well, the $hint value is *not* secure." >&4
dflt=n;;
*) echo "Well, the $hint value *is* secure." >&4
dflt=y;;
esac
;;
*)
$rm -f reflect flect
echo "#!$ls" >reflect
chmod +x,u+s reflect
echo >flect
chmod a+w flect
echo '"su" will (probably) prompt you for '"$ans's password."
su $ans -c './reflect >flect'
if $contains "/dev/fd" flect >/dev/null; then
echo "Okay, it looks like setuid scripts are secure." >&4
dflt=y
else
echo "I don't think setuid scripts are secure." >&4
dflt=n
fi
;;
esac
rp='Does your kernel have *secure* setuid scripts?'
. ./myread
case "$ans" in
[yY]*) val="$define";;
*) val="$undef";;
esac
fi
else
echo "I don't think setuid scripts are secure (no /dev/fd directory)." >&4
echo "(That's for file descriptors, not floppy disks.)"
val="$undef"
fi
set d_suidsafe
eval $setvar
$rm -f reflect flect
: now see if they want to do setuid emulation
echo " "
val="$undef"
case "$d_suidsafe" in
"$define")
val="$undef"
echo "No need to emulate SUID scripts since they are secure here." >& 4
;;
*)
$cat <<EOM
Some systems have disabled setuid scripts, especially systems where
setuid scripts cannot be secure. On systems where setuid scripts have
been disabled, the setuid/setgid bits on scripts are currently
useless. It is possible for $package to detect those bits and emulate
setuid/setgid in a secure fashion. This emulation will only work if
setuid scripts have been disabled in your kernel.
EOM
case "$d_dosuid" in
"$define") dflt=y ;;
*) dflt=n ;;
esac
rp="Do you want to do setuid/setgid emulation?"
. ./myread
case "$ans" in
[yY]*) val="$define";;
*) val="$undef";;
esac
;;
esac
set d_dosuid
eval $setvar
: determine filename position in cpp output
echo " "
echo "Computing filename position in cpp output for #include directives..." >&4
echo '#include <stdio.h>' > foo.c
$cat >fieldn <<EOF
$startsh
$cppstdin $cppflags $cppminus <foo.c 2>/dev/null | \
$grep '^[ ]*#.*stdio\.h' | \
while read cline; do
pos=1
set \$cline
while $test \$# -gt 0; do
if $test -r \`echo \$1 | $tr -d '"'\`; then
echo "\$pos"
exit 0
fi
shift
pos=\`expr \$pos + 1\`
done
done
EOF
chmod +x fieldn
fieldn=`./fieldn`
$rm -f foo.c fieldn
case $fieldn in
'') pos='???';;
1) pos=first;;
2) pos=second;;
3) pos=third;;
*) pos="${fieldn}th";;
esac
echo "Your cpp writes the filename in the $pos field of the line."
: locate header file
$cat >findhdr <<EOF
$startsh
wanted=\$1
name=''
for usrincdir in $usrinc
do
if test -f \$usrincdir/\$wanted; then
echo "\$usrincdir/\$wanted"
exit 0
fi
done
awkprg='{ print \$$fieldn }'
echo "#include <\$wanted>" > foo\$\$.c
$cppstdin $cppminus $cppflags < foo\$\$.c 2>/dev/null | \
$grep "^[ ]*#.*\$wanted" | \
while read cline; do
name=\`echo \$cline | $awk "\$awkprg" | $tr -d '"'\`
case "\$name" in
*[/\\\\]\$wanted) echo "\$name"; exit 1;;
*[\\\\/]\$wanted) echo "\$name"; exit 1;;
*) exit 2;;
esac;
done;
#
# status = 0: grep returned 0 lines, case statement not executed
# status = 1: headerfile found
# status = 2: while loop executed, no headerfile found
#
status=\$?
$rm -f foo\$\$.c;
if test \$status -eq 1; then
exit 0;
fi
exit 1
EOF
chmod +x findhdr
: define an alternate in-header-list? function
inhdr='echo " "; td=$define; tu=$undef; yyy=$@;
cont=true; xxf="echo \"<\$1> found.\" >&4";
case $# in 2) xxnf="echo \"<\$1> NOT found.\" >&4";;
*) xxnf="echo \"<\$1> NOT found, ...\" >&4";;
esac;
case $# in 4) instead=instead;; *) instead="at last";; esac;
while $test "$cont"; do
xxx=`./findhdr $1`
var=$2; eval "was=\$$2";
if $test "$xxx" && $test -r "$xxx";
then eval $xxf;
eval "case \"\$$var\" in $undef) . ./whoa; esac"; eval "$var=\$td";
cont="";
else eval $xxnf;
eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu"; fi;
set $yyy; shift; shift; yyy=$@;
case $# in 0) cont="";;
2) xxf="echo \"but I found <\$1> $instead.\" >&4";
xxnf="echo \"and I did not find <\$1> either.\" >&4";;
*) xxf="echo \"but I found <\$1\> instead.\" >&4";
xxnf="echo \"there is no <\$1>, ...\" >&4";;
esac;
done;
while $test "$yyy";
do set $yyy; var=$2; eval "was=\$$2";
eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu";
set $yyy; shift; shift; yyy=$@;
done'
: see if this is a malloc.h system
set malloc.h i_malloc
eval $inhdr
: see if stdlib is available
set stdlib.h i_stdlib
eval $inhdr
: determine which malloc to compile in
echo " "
case "$usemymalloc" in
''|[yY]*|true|$define) dflt='y' ;;
*) dflt='n' ;;
esac
rp="Do you wish to attempt to use the malloc that comes with $package?"
. ./myread
usemymalloc="$ans"
case "$ans" in
y*|true)
usemymalloc='y'
mallocsrc='malloc.c'
mallocobj="malloc$_o"
d_mymalloc="$define"
case "$libs" in
*-lmalloc*)
: Remove malloc from list of libraries to use
echo "Removing unneeded -lmalloc from library list" >&4
set `echo X $libs | $sed -e 's/-lmalloc / /' -e 's/-lmalloc$//'`
shift
libs="$*"
echo "libs = $libs" >&4
;;
esac
;;
*)
usemymalloc='n'
mallocsrc=''
mallocobj=''
d_mymalloc="$undef"
;;
esac
: compute the return types of malloc and free
echo " "
$cat >malloc.c <<END
#$i_malloc I_MALLOC
#$i_stdlib I_STDLIB
#include <stdio.h>
#include <sys/types.h>
#ifdef I_MALLOC
#include <malloc.h>
#endif
#ifdef I_STDLIB
#include <stdlib.h>
#endif
#ifdef TRY_MALLOC
void *malloc();
#endif
#ifdef TRY_FREE
void free();
#endif
END
case "$malloctype" in
'')
if $cc $ccflags -c -DTRY_MALLOC malloc.c >/dev/null 2>&1; then
malloctype='void *'
else
malloctype='char *'
fi
;;
esac
echo "Your system wants malloc to return '$malloctype', it would seem." >&4
case "$freetype" in
'')
if $cc $ccflags -c -DTRY_FREE malloc.c >/dev/null 2>&1; then
freetype='void'
else
freetype='int'
fi
;;
esac
echo "Your system uses $freetype free(), it would seem." >&4
$rm -f malloc.[co]
$cat <<EOM
After $package is installed, you may wish to install various
add-on modules and utilities. Typically, these add-ons will
be installed under $prefix with the rest
of this package. However, you may wish to install such add-ons
elsewhere under a different prefix.
If you do not wish to put everything under a single prefix, that's
ok. You will be prompted for the individual locations; this siteprefix
is only used to suggest the defaults.
The default should be fine for most people.
EOM
fn=d~+
rp='Installation prefix to use for add-on modules and utilities?'
: XXX Here might be another good place for an installstyle setting.
case "$siteprefix" in
'') dflt=$prefix ;;
*) dflt=$siteprefix ;;
esac
. ./getfile
: XXX Prefixit unit does not yet support siteprefix and vendorprefix
oldsiteprefix=''
case "$siteprefix" in
'') ;;
*) case "$ans" in
"$prefix") ;;
*) oldsiteprefix="$prefix";;
esac
;;
esac
siteprefix="$ans"
siteprefixexp="$ansexp"
: determine where site specific libraries go.
: Usual default is /usr/local/lib/perl5/site_perl/$version
: The default "style" setting is made in installstyle.U
: XXX No longer works with Prefixit stuff.
prog=`echo $package | $sed 's/-*[0-9.]*$//'`
case "$sitelib" in
'') case "$installstyle" in
*lib/perl5*) dflt=$siteprefix/lib/$package/site_$prog/$version ;;
*) dflt=$siteprefix/lib/site_$prog/$version ;;
esac
;;
*) dflt="$sitelib"
;;
esac
$cat <<EOM
The installation process will create a directory for
site-specific extensions and modules. Most users find it convenient
to place all site-specific files in this directory rather than in the
main distribution directory.
EOM
fn=d~+
rp='Pathname for the site-specific library files?'
. ./getfile
sitelib="$ans"
sitelibexp="$ansexp"
sitelib_stem=`echo "$sitelibexp" | sed "s,/$version$,,"`
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
installsitelib=`echo $sitelibexp | $sed "s#^$prefix#$installprefix#"`
else
installsitelib="$sitelibexp"
fi
: determine where site specific architecture-dependent libraries go.
: sitelib default is /usr/local/lib/perl5/site_perl/$version
: sitearch default is /usr/local/lib/perl5/site_perl/$version/$archname
: sitelib may have an optional trailing /share.
case "$sitearch" in
'') dflt=`echo $sitelib | $sed 's,/share$,,'`
dflt="$dflt/$archname"
;;
*) dflt="$sitearch"
;;
esac
set sitearch sitearch none
eval $prefixit
$cat <<EOM
The installation process will also create a directory for
architecture-dependent site-specific extensions and modules.
EOM
fn=d~+
rp='Pathname for the site-specific architecture-dependent library files?'
. ./getfile
sitearch="$ans"
sitearchexp="$ansexp"
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
installsitearch=`echo $sitearchexp | sed "s#^$prefix#$installprefix#"`
else
installsitearch="$sitearchexp"
fi
$cat <<EOM
The installation process will also create a directory for
vendor-supplied add-ons. Vendors who supply perl with their system
may find it convenient to place all vendor-supplied files in this
directory rather than in the main distribution directory. This will
ease upgrades between binary-compatible maintenance versions of perl.
Of course you may also use these directories in whatever way you see
fit. For example, you might use them to access modules shared over a
company-wide network.
The default answer should be fine for most people.
This causes further questions about vendor add-ons to be skipped
and no vendor-specific directories will be configured for perl.
EOM
rp='Do you want to configure vendor-specific add-on directories?'
case "$usevendorprefix" in
define|true|[yY]*) dflt=y ;;
*) : User may have set vendorprefix directly on Configure command line.
case "$vendorprefix" in
''|' ') dflt=n ;;
*) dflt=y ;;
esac
;;
esac
. ./myread
case "$ans" in
[yY]*) fn=d~+
rp='Installation prefix to use for vendor-supplied add-ons?'
case "$vendorprefix" in
'') dflt='' ;;
*) dflt=$vendorprefix ;;
esac
. ./getfile
: XXX Prefixit unit does not yet support siteprefix and vendorprefix
oldvendorprefix=''
case "$vendorprefix" in
'') ;;
*) case "$ans" in
"$prefix") ;;
*) oldvendorprefix="$prefix";;
esac
;;
esac
usevendorprefix="$define"
vendorprefix="$ans"
vendorprefixexp="$ansexp"
;;
*) usevendorprefix="$undef"
vendorprefix=''
vendorprefixexp=''
;;
esac
case "$vendorprefix" in
'') d_vendorlib="$undef"
vendorlib=''
vendorlibexp=''
;;
*) d_vendorlib="$define"
: determine where vendor-supplied modules go.
: Usual default is /usr/local/lib/perl5/vendor_perl/$version
case "$vendorlib" in
'')
prog=`echo $package | $sed 's/-*[0-9.]*$//'`
case "$installstyle" in
*lib/perl5*) dflt=$vendorprefix/lib/$package/vendor_$prog/$version ;;
*) dflt=$vendorprefix/lib/vendor_$prog/$version ;;
esac
;;
*) dflt="$vendorlib"
;;
esac
fn=d~+
rp='Pathname for the vendor-supplied library files?'
. ./getfile
vendorlib="$ans"
vendorlibexp="$ansexp"
;;
esac
vendorlib_stem=`echo "$vendorlibexp" | sed "s,/$version$,,"`
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
installvendorlib=`echo $vendorlibexp | $sed "s#^$prefix#$installprefix#"`
else
installvendorlib="$vendorlibexp"
fi
case "$vendorprefix" in
'') d_vendorarch="$undef"
vendorarch=''
vendorarchexp=''
;;
*) d_vendorarch="$define"
: determine where vendor-supplied architecture-dependent libraries go.
: vendorlib default is /usr/local/lib/perl5/vendor_perl/$version
: vendorarch default is /usr/local/lib/perl5/vendor_perl/$version/$archname
: vendorlib may have an optional trailing /share.
case "$vendorarch" in
'') dflt=`echo $vendorlib | $sed 's,/share$,,'`
dflt="$dflt/$archname"
;;
*) dflt="$vendorarch" ;;
esac
fn=d~+
rp='Pathname for vendor-supplied architecture-dependent files?'
. ./getfile
vendorarch="$ans"
vendorarchexp="$ansexp"
;;
esac
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
installvendorarch=`echo $vendorarchexp | sed "s#^$prefix#$installprefix#"`
else
installvendorarch="$vendorarchexp"
fi
: Final catch-all directories to search
$cat <<EOM
Lastly, you can have perl look in other directories for extensions and
modules in addition to those already specified.
These directories will be searched after
$sitearch
$sitelib
EOM
test X"$vendorlib" != "X" && echo ' ' $vendorlib
test X"$vendorarch" != "X" && echo ' ' $vendorarch
echo ' '
case "$otherlibdirs" in
''|' ') dflt='none' ;;
*) dflt="$otherlibdirs" ;;
esac
$cat <<EOM
Enter a colon-separated set of extra paths to include in perl's @INC
search path, or enter 'none' for no extra paths.
EOM
rp='Colon-separated list of additional directories for perl to search?'
. ./myread
case "$ans" in
' '|''|none) otherlibdirs=' ' ;;
*) otherlibdirs="$ans" ;;
esac
case "$otherlibdirs" in
' ') val=$undef ;;
*) val=$define ;;
esac
set d_perl_otherlibdirs
eval $setvar
: Cruising for prototypes
echo " "
echo "Checking out function prototypes..." >&4
$cat >prototype.c <<'EOCP'
int main(int argc, char *argv[]) {
exit(0);}
EOCP
if $cc $ccflags -c prototype.c >prototype.out 2>&1 ; then
echo "Your C compiler appears to support function prototypes."
val="$define"
else
echo "Your C compiler doesn't seem to understand function prototypes."
val="$undef"
fi
set prototype
eval $setvar
$rm -f prototype*
case "$prototype" in
"$define") ;;
*) ansi2knr='ansi2knr'
echo " "
cat <<EOM >&4
$me: FATAL ERROR:
This version of $package can only be compiled by a compiler that
understands function prototypes. Unfortunately, your C compiler
$cc $ccflags
doesn't seem to understand them. Sorry about that.
If GNU cc is available for your system, perhaps you could try that instead.
Eventually, we hope to support building Perl with pre-ANSI compilers.
If you would like to help in that effort, please contact <perlbug@perl.org>.
Aborting Configure now.
EOM
exit 2
;;
esac
: determine where public executables go
echo " "
set dflt bin bin
eval $prefixit
fn=d~
rp='Pathname where the public executables will reside?'
. ./getfile
if $test "X$ansexp" != "X$binexp"; then
installbin=''
fi
bin="$ans"
binexp="$ansexp"
: Change installation prefix, if necessary.
: XXX Bug? -- ignores Configure -Dinstallprefix setting.
if $test X"$prefix" != X"$installprefix"; then
installbin=`echo $binexp | sed "s#^$prefix#$installprefix#"`
else
installbin="$binexp"
fi
: Find perl5.005 or later.
echo "Looking for a previously installed perl5.005 or later... "
case "$perl5" in
'') for tdir in `echo "$binexp:$PATH" | $sed "s/$path_sep/ /g"`; do
: Check if this perl is recent and can load a simple module
if $test -x $tdir/perl && $tdir/perl -Mless -e 'use 5.005;' >/dev/null 2>&1; then
perl5=$tdir/perl
break;
elif $test -x $tdir/perl5 && $tdir/perl5 -Mless -e 'use 5.005;' >/dev/null 2>&1; then
perl5=$tdir/perl
break;
fi
done
;;
*) perl5="$perl5"
;;
esac
case "$perl5" in
'') echo "None found. That's ok.";;
*) echo "Using $perl5." ;;
esac
: Determine list of previous versions to include in @INC
$cat > getverlist <<EOPL
#!$perl5 -w
use File::Basename;
\$api_versionstring = "$api_versionstring";
\$version = "$version";
\$stem = "$sitelib_stem";
\$archname = "$archname";
EOPL
$cat >> getverlist <<'EOPL'
# Can't have leading @ because metaconfig interprets it as a command!
;@inc_version_list=();
# XXX Redo to do opendir/readdir?
if (-d $stem) {
chdir($stem);
;@candidates = glob("5.*");
}
else {
;@candidates = ();
}
# XXX ToDo: These comparisons must be reworked when two-digit
# subversions come along, so that 5.7.10 compares as greater than
# 5.7.3! By that time, hope that 5.6.x is sufficiently
# widespread that we can use the built-in version vectors rather
# than reinventing them here. For 5.6.0, however, we must
# assume this script will likely be run by 5.005_0x. --AD 1/2000.
foreach $d (@candidates) {
if ($d lt $version) {
if ($d ge $api_versionstring) {
unshift(@inc_version_list, grep { -d } "$d/$archname", $d);
}
elsif ($d ge "5.005") {
unshift(@inc_version_list, grep { -d } $d);
}
}
else {
# Skip newer version. I.e. don't look in
# 5.7.0 if we're installing 5.6.1.
}
}
if (@inc_version_list) {
print join(' ', @inc_version_list);
}
else {
# Blank space to preserve value for next Configure run.
print " ";
}
EOPL
chmod +x getverlist
case "$inc_version_list" in
'') if test -x "$perl5"; then
dflt=`$perl5 getverlist`
else
dflt='none'
fi
;;
$undef) dflt='none' ;;
*) dflt="$inc_version_list" ;;
esac
case "$dflt" in
''|' ') dflt=none ;;
esac
$cat <<'EOM'
In order to ease the process of upgrading, this version of perl
can be configured to use modules built and installed with earlier
versions of perl that were installed under $prefix. Specify here
the list of earlier versions that this version of perl should check.
If Configure detected no earlier versions of perl installed under
$prefix, then the list will be empty. Answer 'none' to tell perl
to not search earlier versions.
The default should almost always be sensible, so if you're not sure,
just accept the default.
EOM
rp='List of earlier versions to include in @INC?'
. ./myread
case "$ans" in
[Nn]one|''|' ') inc_version_list=' ' ;;
*) inc_version_list="$ans" ;;
esac
case "$inc_version_list" in
''|' ')
inc_version_list_init='0';;
*) inc_version_list_init=`echo $inc_version_list |
$sed -e 's/^/"/' -e 's/ /","/g' -e 's/$/",0/'`
;;
esac
$rm -f getverlist
: determine whether to install perl also as /usr/bin/perl
echo " "
if $test -d /usr/bin -a "X$installbin" != X/usr/bin; then
$cat <<EOM
Many scripts expect perl to be installed as /usr/bin/perl.
I can install the perl you are about to compile also as /usr/bin/perl
(in addition to $installbin/perl).
EOM
case "$installusrbinperl" in
"$undef"|[nN]*) dflt='n';;
*) dflt='y';;
esac
rp="Do you want to install perl as /usr/bin/perl?"
. ./myread
case "$ans" in
[yY]*) val="$define";;
*) val="$undef" ;;
esac
else
val="$undef"
fi
set installusrbinperl
eval $setvar
echo " "
echo "Checking for GNU C Library..." >&4
cat >gnulibc.c <<EOM
#include <stdio.h>
int main()
{
#ifdef __GLIBC__
exit(0);
#else
exit(1);
#endif
}
EOM
set gnulibc
if eval $compile_ok && ./gnulibc; then
val="$define"
echo "You are using the GNU C Library"
else
val="$undef"
echo "You are not using the GNU C Library"
fi
$rm -f gnulibc*
set d_gnulibc
eval $setvar
: see if nm is to be used to determine whether a symbol is defined or not
case "$usenm" in
'')
dflt=''
case "$d_gnulibc" in
"$define")
echo " "
echo "nm probably won't work on the GNU C Library." >&4
dflt=n
;;
esac
case "$dflt" in
'')
if $test "$osname" = aix -a ! -f /lib/syscalls.exp; then
echo " "
echo "Whoops! This is an AIX system without /lib/syscalls.exp!" >&4
echo "'nm' won't be sufficient on this sytem." >&4
dflt=n
fi
;;
esac
case "$dflt" in
'') dflt=`$egrep 'inlibc|csym' $rsrc/Configure | wc -l 2>/dev/null`
if $test $dflt -gt 20; then
dflt=y
else
dflt=n
fi
;;
esac
;;
*)
case "$usenm" in
true|$define) dflt=y;;
*) dflt=n;;
esac
;;
esac
$cat <<EOM
I can use $nm to extract the symbols from your C libraries. This
is a time consuming task which may generate huge output on the disk (up
to 3 megabytes) but that should make the symbols extraction faster. The
alternative is to skip the 'nm' extraction part and to compile a small
test program instead to determine whether each symbol is present. If
you have a fast C compiler and/or if your 'nm' output cannot be parsed,
this may be the best solution.
You probably shouldn't let me use 'nm' if you are using the GNU C Library.
EOM
rp="Shall I use $nm to extract C symbols from the libraries?"
. ./myread
case "$ans" in
[Nn]*) usenm=false;;
*) usenm=true;;
esac
runnm=$usenm
case "$reuseval" in
true) runnm=false;;
esac
: nm options which may be necessary
case "$nm_opt" in
'') if $test -f /mach_boot; then
nm_opt='' # Mach
elif $test -d /usr/ccs/lib; then
nm_opt='-p' # Solaris (and SunOS?)
elif $test -f /dgux; then
nm_opt='-p' # DG-UX
elif $test -f /lib64/rld; then
nm_opt='-p' # 64-bit Irix
else
nm_opt=''
fi;;
esac
: nm options which may be necessary for shared libraries but illegal
: for archive libraries. Thank you, Linux.
case "$nm_so_opt" in
'') case "$myuname" in
*linux*)
if $nm --help | $grep 'dynamic' > /dev/null 2>&1; then
nm_so_opt='--dynamic'
fi
;;
esac
;;
esac
case "$runnm" in
true)
: get list of predefined functions in a handy place
echo " "
case "$libc" in
'') libc=unknown
case "$libs" in
*-lc_s*) libc=`./loc libc_s$_a $libc $libpth`
esac
;;
esac
libnames='';
case "$libs" in
'') ;;
*) for thislib in $libs; do
case "$thislib" in
-lc|-lc_s)
: Handle C library specially below.
;;
-l*)
thislib=`echo $thislib | $sed -e 's/^-l//'`
if try=`./loc lib$thislib.$so.'*' X $libpth`; $test -f "$try"; then
:
elif try=`./loc lib$thislib.$so X $libpth`; $test -f "$try"; then
:
elif try=`./loc lib$thislib$_a X $libpth`; $test -f "$try"; then
:
elif try=`./loc $thislib$_a X $libpth`; $test -f "$try"; then
:
elif try=`./loc lib$thislib X $libpth`; $test -f "$try"; then
:
elif try=`./loc $thislib X $libpth`; $test -f "$try"; then
:
elif try=`./loc Slib$thislib$_a X $xlibpth`; $test -f "$try"; then
:
else
try=''
fi
libnames="$libnames $try"
;;
*) libnames="$libnames $thislib" ;;
esac
done
;;
esac
xxx=normal
case "$libc" in
unknown)
set /lib/libc.$so
for xxx in $libpth; do
$test -r $1 || set $xxx/libc.$so
: The messy sed command sorts on library version numbers.
$test -r $1 || \
set `echo blurfl; echo $xxx/libc.$so.[0-9]* | \
tr ' ' $trnl | egrep -v '\.[A-Za-z]*$' | $sed -e '
h
s/[0-9][0-9]*/0000&/g
s/0*\([0-9][0-9][0-9][0-9][0-9]\)/\1/g
G
s/\n/ /' | \
sort | $sed -e 's/^.* //'`
eval set \$$#
done
$test -r $1 || set /usr/ccs/lib/libc.$so
$test -r $1 || set /lib/libsys_s$_a
;;
*)
set blurfl
;;
esac
if $test -r "$1"; then
echo "Your (shared) C library seems to be in $1."
libc="$1"
elif $test -r /lib/libc && $test -r /lib/clib; then
echo "Your C library seems to be in both /lib/clib and /lib/libc."
xxx=apollo
libc='/lib/clib /lib/libc'
if $test -r /lib/syslib; then
echo "(Your math library is in /lib/syslib.)"
libc="$libc /lib/syslib"
fi
elif $test -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
echo "Your C library seems to be in $libc, as you said before."
elif $test -r $incpath/usr/lib/libc$_a; then
libc=$incpath/usr/lib/libc$_a;
echo "Your C library seems to be in $libc. That's fine."
elif $test -r /lib/libc$_a; then
libc=/lib/libc$_a;
echo "Your C library seems to be in $libc. You're normal."
else
if tans=`./loc libc$_a blurfl/dyick $libpth`; $test -r "$tans"; then
:
elif tans=`./loc libc blurfl/dyick $libpth`; $test -r "$tans"; then
libnames="$libnames "`./loc clib blurfl/dyick $libpth`
elif tans=`./loc clib blurfl/dyick $libpth`; $test -r "$tans"; then
:
elif tans=`./loc Slibc$_a blurfl/dyick $xlibpth`; $test -r "$tans"; then
:
elif tans=`./loc Mlibc$_a blurfl/dyick $xlibpth`; $test -r "$tans"; then
:
else
tans=`./loc Llibc$_a blurfl/dyick $xlibpth`
fi
if $test -r "$tans"; then
echo "Your C library seems to be in $tans, of all places."
libc=$tans
else
libc='blurfl'
fi
fi
if $test $xxx = apollo -o -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then
dflt="$libc"
cat <<EOM
If the guess above is wrong (which it might be if you're using a strange
compiler, or your machine supports multiple models), you can override it here.
EOM
else
dflt=''
echo $libpth | tr ' ' $trnl | sort | uniq > libpath
cat >&4 <<EOM
I can't seem to find your C library. I've looked in the following places:
EOM
$sed 's/^/ /' libpath
cat <<EOM
None of these seems to contain your C library. I need to get its name...
EOM
fi
fn=f
rp='Where is your C library?'
. ./getfile
libc="$ans"
echo " "
echo $libc $libnames | tr ' ' $trnl | sort | uniq > libnames
set X `cat libnames`
shift
xxx=files
case $# in 1) xxx=file; esac
echo "Extracting names from the following $xxx for later perusal:" >&4
echo " "
$sed 's/^/ /' libnames >&4
echo " "
$echo $n "This may take a while...$c" >&4
for file in $*; do
case $file in
*$so*) $nm $nm_so_opt $nm_opt $file 2>/dev/null;;
*) $nm $nm_opt $file 2>/dev/null;;
esac
done >libc.tmp
$echo $n ".$c"
$grep fprintf libc.tmp > libc.ptf
xscan='eval "<libc.ptf $com >libc.list"; $echo $n ".$c" >&4'
xrun='eval "<libc.tmp $com >libc.list"; echo "done" >&4'
xxx='[ADTSIW]'
if com="$sed -n -e 's/__IO//' -e 's/^.* $xxx *_[_.]*//p' -e 's/^.* $xxx *//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^__*//' -e 's/^\([a-zA-Z_0-9$]*\).*xtern.*/\1/p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e '/|UNDEF/d' -e '/FUNC..GL/s/^.*|__*//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^.* D __*//p' -e 's/^.* D //p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^_//' -e 's/^\([a-zA-Z_0-9]*\).*xtern.*text.*/\1/p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$grep '|' | $sed -n -e '/|COMMON/d' -e '/|DATA/d' \
-e '/ file/d' -e 's/^\([^ ]*\).*/\1/p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p' -e 's/^.*|FUNC |WEAK .*|//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^__//' -e '/|Undef/d' -e '/|Proc/s/ .*//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^.*|Proc .*|Text *| *//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e '/Def. Text/s/.* \([^ ]*\)\$/\1/p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/^[-0-9a-f ]*_\(.*\)=.*/\1/p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="$sed -n -e 's/.*\.text n\ \ \ \.//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
elif com="sed -n -e 's/^__.*//' -e 's/[ ]*D[ ]*[0-9]*.*//p'";\
eval $xscan;\
$contains '^fprintf$' libc.list >/dev/null 2>&1; then
eval $xrun
else
$nm -p $* 2>/dev/null >libc.tmp
$grep fprintf libc.tmp > libc.ptf
if com="$sed -n -e 's/^.* [ADTSIW] *_[_.]*//p' -e 's/^.* [ADTSIW] //p'";\
eval $xscan; $contains '^fprintf$' libc.list >/dev/null 2>&1
then
nm_opt='-p'
eval $xrun
else
echo " "
echo "$nm didn't seem to work right. Trying $ar instead..." >&4
com=''
if $ar t $libc > libc.tmp && $contains '^fprintf$' libc.tmp >/dev/null 2>&1; then
for thisname in $libnames $libc; do
$ar t $thisname >>libc.tmp
done
$sed -e "s/\\$_o\$//" < libc.tmp > libc.list
echo "Ok." >&4
elif test "X$osname" = "Xos2" && $ar tv $libc > libc.tmp; then
# Repeat libc to extract forwarders to DLL entries too
for thisname in $libnames $libc; do
$ar tv $thisname >>libc.tmp
# Revision 50 of EMX has bug in $ar.
# it will not extract forwarders to DLL entries
# Use emximp which will extract exactly them.
emximp -o tmp.imp $thisname \
2>/dev/null && \
$sed -e 's/^\([_a-zA-Z0-9]*\) .*$/\1/p' \
< tmp.imp >>libc.tmp
$rm tmp.imp
done
$sed -e "s/\\$_o\$//" -e 's/^ \+//' < libc.tmp > libc.list
echo "Ok." >&4
else
echo "$ar didn't seem to work right." >&4
echo "Maybe this is a Cray...trying bld instead..." >&4
if bld t $libc | $sed -e 's/.*\///' -e "s/\\$_o:.*\$//" > libc.list
then
for thisname in $libnames; do
bld t $libnames | \
$sed -e 's/.*\///' -e "s/\\$_o:.*\$//" >>libc.list
$ar t $thisname >>libc.tmp
done
echo "Ok." >&4
else
echo "That didn't work either. Giving up." >&4
exit 1
fi
fi
fi
fi
nm_extract="$com"
if $test -f /lib/syscalls.exp; then
echo " "
echo "Also extracting names from /lib/syscalls.exp for good ole AIX..." >&4
$sed -n 's/^\([^ ]*\)[ ]*syscall[0-9]*$/\1/p' /lib/syscalls.exp >>libc.list
fi
;;
esac
$rm -f libnames libpath
: see if dld is available
set dld.h i_dld
eval $inhdr
: is a C symbol defined?
csym='tlook=$1;
case "$3" in
-v) tf=libc.tmp; tc=""; tdc="";;
-a) tf=libc.tmp; tc="[0]"; tdc="[]";;
*) tlook="^$1\$"; tf=libc.list; tc="()"; tdc="()";;
esac;
tx=yes;
case "$reuseval-$4" in
true-) ;;
true-*) tx=no; eval "tval=\$$4"; case "$tval" in "") tx=yes;; esac;;
esac;
case "$tx" in
yes)
case "$runnm" in
true)
if $contains $tlook $tf >/dev/null 2>&1;
then tval=true;
else tval=false;
fi;;
*)
echo "int main() { extern short $1$tdc; printf(\"%hd\", $1$tc); }" > t.c;
if $cc $optimize $ccflags $ldflags -o t t.c $libs >/dev/null 2>&1;
then tval=true;
else tval=false;
fi;
$rm -f t t.c;;
esac;;
*)
case "$tval" in
$define) tval=true;;
*) tval=false;;
esac;;
esac;
eval "$2=$tval"'
: define an is-in-libc? function
inlibc='echo " "; td=$define; tu=$undef;
sym=$1; var=$2; eval "was=\$$2";
tx=yes;
case "$reuseval$was" in
true) ;;
true*) tx=no;;
esac;
case "$tx" in
yes)
set $sym tres -f;
eval $csym;
case "$tres" in
true)
echo "$sym() found." >&4;
case "$was" in $undef) . ./whoa; esac; eval "$var=\$td";;
*)
echo "$sym() NOT found." >&4;
case "$was" in $define) . ./whoa; esac; eval "$var=\$tu";;
esac;;
*)
case "$was" in
$define) echo "$sym() found." >&4;;
*) echo "$sym() NOT found." >&4;;
esac;;
esac'
: see if dlopen exists
xxx_runnm="$runnm"
runnm=false
set dlopen d_dlopen
eval $inlibc
runnm="$xxx_runnm"
: determine which dynamic loading, if any, to compile in
echo " "
dldir="ext/DynaLoader"
case "$usedl" in
$define|y|true)
dflt='y'
usedl="$define"
;;
$undef|n|false)
dflt='n'
usedl="$undef"
;;
*)
dflt='n'
case "$d_dlopen" in
$define) dflt='y' ;;
esac
case "$i_dld" in
$define) dflt='y' ;;
esac
: Does a dl_xxx.xs file exist for this operating system
$test -f $rsrc/$dldir/dl_${osname}.xs && dflt='y'
;;
esac
rp="Do you wish to use dynamic loading?"
. ./myread
usedl="$ans"
case "$ans" in
y*) usedl="$define"
case "$dlsrc" in
'')
if $test -f $rsrc/$dldir/dl_${osname}.xs ; then
dflt="$dldir/dl_${osname}.xs"
elif $test "$d_dlopen" = "$define" ; then
dflt="$dldir/dl_dlopen.xs"
elif $test "$i_dld" = "$define" ; then
dflt="$dldir/dl_dld.xs"
else
dflt=''
fi
;;
*) dflt="$dldir/$dlsrc"
;;
esac
echo "The following dynamic loading files are available:"
: Can not go over to $dldir because getfile has path hard-coded in.
tdir=`pwd`; cd $rsrc; $ls -C $dldir/dl*.xs; cd $tdir
rp="Source file to use for dynamic loading"
fn="fne"
gfpth="$src"
. ./getfile
usedl="$define"
: emulate basename
dlsrc=`echo $ans | $sed -e 's%.*/\([^/]*\)$%\1%'`
$cat << EOM
Some systems may require passing special flags to $cc -c to
compile modules that will be used to create a shared library.
To use no flags, say "none".
EOM
case "$cccdlflags" in
'') case "$gccversion" in
'') case "$osname" in
hpux) dflt='+z' ;;
next) dflt='none' ;;
irix*) dflt='-KPIC' ;;
svr4*|esix*|solaris) dflt='-KPIC' ;;
sunos) dflt='-pic' ;;
*) dflt='none' ;;
esac
;;
*) case "$osname" in
svr4*|esix*|solaris) dflt='-fPIC' ;;
*) dflt='-fpic' ;;
esac ;;
esac ;;
' ') dflt='none' ;;
*) dflt="$cccdlflags" ;;
esac
rp="Any special flags to pass to $cc -c to compile shared library modules?"
. ./myread
case "$ans" in
none) cccdlflags=' ' ;;
*) cccdlflags="$ans" ;;
esac
cat << EOM
Some systems use ld to create libraries that can be dynamically loaded,
while other systems (such as those using ELF) use $cc.
EOM
case "$ld" in
'') $cat >try.c <<'EOM'
/* Test for whether ELF binaries are produced */
#include <fcntl.h>
#include <stdlib.h>
int main() {
char b[4];
int i = open("a.out",O_RDONLY);
if(i == -1)
exit(1); /* fail */
if(read(i,b,4)==4 && b[0]==127 && b[1]=='E' && b[2]=='L' && b[3]=='F')
exit(0); /* succeed (yes, it's ELF) */
else
exit(1); /* fail */
}
EOM
if $cc $ccflags try.c >/dev/null 2>&1 && ./a.out; then
cat <<EOM
You appear to have ELF support. I'll use $cc to build dynamic libraries.
EOM
dflt="$cc"
else
echo "I'll use ld to build dynamic libraries."
dflt='ld'
fi
rm -f try.c a.out
;;
*) dflt="$ld"
;;
esac
rp="What command should be used to create dynamic libraries?"
. ./myread
ld="$ans"
cat << EOM
Some systems may require passing special flags to $ld to create a
library that can be dynamically loaded. If your ld flags include
-L/other/path options to locate libraries outside your loader's normal
search path, you may need to specify those -L options here as well. To
use no flags, say "none".
EOM
case "$lddlflags" in
'') case "$osname" in
beos) dflt='-nostart' ;;
hpux) dflt='-b';
case "$gccversion" in
'') dflt="$dflt +vnocompatwarnings" ;;
esac
;;
linux|irix*) dflt='-shared' ;;
next) dflt='none' ;;
solaris) dflt='-G' ;;
sunos) dflt='-assert nodefinitions' ;;
svr4*|esix*) dflt="-G $ldflags" ;;
*) dflt='none' ;;
esac
;;
*) dflt="$lddlflags" ;;
esac
: Try to guess additional flags to pick up local libraries.
: Be careful not to append to a plain 'none'
case "$dflt" in
none) dflt='' ;;
esac
for thisflag in $ldflags; do
case "$thisflag" in
-L*)
case " $dflt " in
*" $thisflag "*) ;;
*) dflt="$dflt $thisflag" ;;
esac
;;
esac
done
case "$dflt" in
''|' ') dflt='none' ;;
esac
rp="Any special flags to pass to $ld to create a dynamically loaded library?"
. ./myread
case "$ans" in
none) lddlflags=' ' ;;
*) lddlflags="$ans" ;;
esac
cat <<EOM
Some systems may require passing special flags to $cc to indicate that
the resulting executable will use dynamic linking. To use no flags,
say "none".
EOM
case "$ccdlflags" in
'') case "$osname" in
hpux) dflt='-Wl,-E' ;;
linux) dflt='-rdynamic' ;;
next) dflt='none' ;;
sunos) dflt='none' ;;
*) dflt='none' ;;
esac ;;
' ') dflt='none' ;;
*) dflt="$ccdlflags" ;;
esac
rp="Any special flags to pass to $cc to use dynamic linking?"
. ./myread
case "$ans" in
none) ccdlflags=' ' ;;
*) ccdlflags="$ans" ;;
esac
;;
*) usedl="$undef"
ld='ld'
dlsrc='dl_none.xs'
lddlflags=''
ccdlflags=''
;;
esac
also=''
case "$usedl" in
$undef)
# No dynamic loading being used, so don't bother even to prompt.
useshrplib='false'
;;
*) case "$useshrplib" in
'') case "$osname" in
svr4*|dgux|dynixptx|esix|powerux|beos|cygwin*)
dflt=y
also='Building a shared libperl is required for dynamic loading to work on your system.'
;;
next*)
case "$osvers" in
4*) dflt=y
also='Building a shared libperl is needed for MAB support.'
;;
*) dflt=n
;;
esac
;;
*) dflt=n
;;
esac
;;
$define|true|[Yy]*)
dflt=y
;;
*) dflt=n
;;
esac
$cat << EOM
The perl executable is normally obtained by linking perlmain.c with
libperl${_a}, any static extensions (usually just DynaLoader), and
any other libraries needed on this system (such as -lm, etc.). Since
your system supports dynamic loading, it is probably possible to build
a shared libperl.$so. If you will have more than one executable linked
to libperl.$so, this will significantly reduce the size of each
executable, but it may have a noticeable affect on performance. The
default is probably sensible for your system.
$also
EOM
rp="Build a shared libperl.$so (y/n)"
. ./myread
case "$ans" in
true|$define|[Yy]*)
useshrplib='true' ;;
*) useshrplib='false' ;;
esac
;;
esac
case "$useshrplib" in
true)
case "$libperl" in
'')
# Figure out a good name for libperl.so. Since it gets stored in
# a version-specific architecture-dependent library, the version
# number isn't really that important, except for making cc/ld happy.
#
# A name such as libperl.so.3.1
majmin="libperl.$so.$patchlevel.$subversion"
# A name such as libperl.so.301
majonly=`echo $patchlevel $subversion |
$awk '{printf "%d%02d", $1, $2}'`
majonly=libperl.$so.$majonly
# I'd prefer to keep the os-specific stuff here to a minimum, and
# rely on figuring it out from the naming of libc.
case "${osname}${osvers}" in
next4*)
dflt=libperl.5.$so
# XXX How handle the --version stuff for MAB?
;;
linux*) # ld won't link with a bare -lperl otherwise.
dflt=libperl.$so
;;
cygwin*) # include version
dflt=`echo libperl$version | sed -e 's/\./_/g'`$lib_ext
;;
*) # Try to guess based on whether libc has major.minor.
case "$libc" in
*libc.$so.[0-9]*.[0-9]*) dflt=$majmin ;;
*libc.$so.[0-9]*) dflt=$majonly ;;
*) dflt=libperl.$so ;;
esac
;;
esac
;;
*) dflt=$libperl
;;
esac
cat << EOM
I need to select a good name for the shared libperl. If your system uses
library names with major and minor numbers, then you might want something
like $majmin. Alternatively, if your system uses a single version
number for shared libraries, then you might want to use $majonly.
Or, your system might be quite happy with a simple libperl.$so.
Since the shared libperl will get installed into a version-specific
architecture-dependent directory, the version number of the shared perl
library probably isn't important, so the default should be o.k.
EOM
rp='What name do you want to give to the shared libperl?'
. ./myread
libperl=$ans
echo "Ok, I'll use $libperl"
;;
*)
libperl="libperl${_a}"
;;
esac
# Detect old use of shrpdir via undocumented Configure -Dshrpdir
case "$shrpdir" in
'') ;;
*) $cat >&4 <<EOM
WARNING: Use of the shrpdir variable for the installation location of
the shared $libperl is not supported. It was never documented and
will not work in this version. Let me (perlbug@perl.com)
know of any problems this may cause.
EOM
case "$shrpdir" in
"$archlibexp/CORE")
$cat >&4 <<EOM
But your current setting of $shrpdir is
the default anyway, so it's harmless.
EOM
;;
*)
$cat >&4 <<EOM
Further, your current attempted setting of $shrpdir
conflicts with the value of $archlibexp/CORE
that installperl will use.
EOM
;;
esac
;;
esac
# How will the perl executable find the installed shared $libperl?
# Add $xxx to ccdlflags.
# If we can't figure out a command-line option, use $shrpenv to
# set env LD_RUN_PATH. The main perl makefile uses this.
shrpdir=$archlibexp/CORE
xxx=''
tmp_shrpenv=''
if "$useshrplib"; then
case "$osname" in
aix)
# We'll set it in Makefile.SH...
;;
solaris|netbsd)
xxx="-R $shrpdir"
;;
freebsd)
xxx="-Wl,-R$shrpdir"
;;
linux|irix*|dec_osf)
xxx="-Wl,-rpath,$shrpdir"
;;
next)
# next doesn't like the default...
;;
beos)
# beos doesn't like the default, either.
;;
hpux*)
# hpux doesn't like the default, either.
tmp_shrpenv="env LDOPTS=\"+s +b${shrpdir}\""
;;
*)
tmp_shrpenv="env LD_RUN_PATH=$shrpdir"
;;
esac
case "$xxx" in
'') ;;
*)
# Only add $xxx if it isn't already in ccdlflags.
case " $ccdlflags " in
*" $xxx "*) ;;
*) ccdlflags="$ccdlflags $xxx"
cat <<EOM >&4
Adding $xxx to the flags
passed to $ld so that the perl executable will find the
installed shared $libperl.
EOM
;;
esac
;;
esac
fi
# Fix ccdlflags in AIX for building external extensions.
# (For building Perl itself bare -bE:perl.exp is needed,
# Makefile.SH takes care of this.)
case "$osname" in
aix) ccdlflags="$ccdlflags -bE:$installarchlib/CORE/perl.exp" ;;
esac
# Respect a hint or command-line value.
case "$shrpenv" in
'') shrpenv="$tmp_shrpenv" ;;
esac
case "$ldlibpthname" in
'') ldlibpthname=LD_LIBRARY_PATH ;;
none) ldlibpthname='' ;;
esac
: determine where manual pages go
set man1dir man1dir none
eval $prefixit
$cat <<EOM
$spackage has manual pages available in source form.
EOM
case "$nroff" in
nroff)
echo "However, you don't have nroff, so they're probably useless to you."
case "$man1dir" in
'') man1dir="none";;
esac;;
esac
echo "If you don't want the manual sources installed, answer 'none'."
case "$man1dir" in
' ') dflt=none
;;
'')
lookpath="$prefixexp/man/man1 $prefixexp/man/l_man/man1"
lookpath="$lookpath $prefixexp/man/p_man/man1"
lookpath="$lookpath $prefixexp/man/u_man/man1"
lookpath="$lookpath $prefixexp/man/man.1"
case "$sysman" in
*/?_man*) dflt=`./loc . $prefixexp/l_man/man1 $lookpath` ;;
*) dflt=`./loc . $prefixexp/man/man1 $lookpath` ;;
esac
set dflt
eval $prefixup
;;
*) dflt="$man1dir"
;;
esac
echo " "
fn=dn+~
rp="Where do the main $spackage manual pages (source) go?"
. ./getfile
if $test "X$man1direxp" != "X$ansexp"; then
installman1dir=''
fi
man1dir="$ans"
man1direxp="$ansexp"
case "$man1dir" in
'') man1dir=' '
installman1dir='';;
esac
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
installman1dir=`echo $man1direxp | $sed "s#^$prefix#$installprefix#"`
else
installman1dir="$man1direxp"
fi
: What suffix to use on installed man pages
case "$man1dir" in
' ')
man1ext='0'
;;
*)
rp="What suffix should be used for the main $spackage man pages?"
case "$man1ext" in
'') case "$man1dir" in
*1) dflt=1 ;;
*1p) dflt=1p ;;
*1pm) dflt=1pm ;;
*l) dflt=l;;
*n) dflt=n;;
*o) dflt=o;;
*p) dflt=p;;
*C) dflt=C;;
*L) dflt=L;;
*L1) dflt=L1;;
*) dflt=1;;
esac
;;
*) dflt="$man1ext";;
esac
. ./myread
man1ext="$ans"
;;
esac
: see if we can have long filenames
echo " "
first=123456789abcdef
$rm -f $first
if (echo hi >$first) 2>/dev/null; then
if $test -f 123456789abcde; then
echo 'You cannot have filenames longer than 14 characters. Sigh.' >&4
val="$undef"
else
echo 'You can have filenames longer than 14 characters.'>&4
val="$define"
fi
else
$cat <<'EOM'
You can't have filenames longer than 14 chars.
You can't even think about them!
EOM
val="$undef"
fi
set d_flexfnam
eval $setvar
$rm -rf 123456789abcde*
: determine where library module manual pages go
set man3dir man3dir none
eval $prefixit
$cat <<EOM
$spackage has manual pages for many of the library modules.
EOM
case "$nroff" in
nroff)
$cat <<'EOM'
However, you don't have nroff, so they're probably useless to you.
EOM
case "$man3dir" in
'') man3dir="none";;
esac;;
esac
case "$d_flexfnam" in
undef)
$cat <<'EOM'
However, your system can't handle the long file names like File::Basename.3.
EOM
case "$man3dir" in
'') man3dir="none";;
esac;;
esac
echo "If you don't want the manual sources installed, answer 'none'."
prog=`echo $package | $sed 's/-*[0-9.]*$//'`
case "$man3dir" in
'') dflt=`echo "$man1dir" | $sed -e 's/man1/man3/g' -e 's/man\.1/man\.3/g'`
if $test -d "$privlib/man/man3"; then
cat <<EOM >&4
WARNING: Previous versions of perl installed man3 pages into
$privlib/man/man3. This version will suggest a
new default of $dflt.
EOM
tdflt=$dflt
dflt='n'
rp='Do you wish to preserve the old behavior?(y/n)'
. ./myread
case "$ans" in
y*) dflt="$privlib/man/man3" ;;
*) dflt=$tdflt ;;
esac
fi
;;
*) dflt="$man3dir" ;;
esac
case "$dflt" in
' ') dflt=none ;;
esac
echo " "
fn=dn+~
rp="Where do the $package library man pages (source) go?"
. ./getfile
man3dir="$ans"
man3direxp="$ansexp"
case "$man3dir" in
'') man3dir=' '
installman3dir='';;
esac
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
installman3dir=`echo $man3direxp | $sed "s#^$prefix#$installprefix#"`
else
installman3dir="$man3direxp"
fi
: What suffix to use on installed man pages
case "$man3dir" in
' ')
man3ext='0'
;;
*)
rp="What suffix should be used for the $package library man pages?"
case "$man3ext" in
'') case "$man3dir" in
*3) dflt=3 ;;
*3p) dflt=3p ;;
*3pm) dflt=3pm ;;
*l) dflt=l;;
*n) dflt=n;;
*o) dflt=o;;
*p) dflt=p;;
*C) dflt=C;;
*L) dflt=L;;
*L3) dflt=L3;;
*) dflt=3;;
esac
;;
*) dflt="$man3ext";;
esac
. ./myread
man3ext="$ans"
;;
esac
: see if we have to deal with yellow pages, now NIS.
if $test -d /usr/etc/yp || $test -d /etc/yp; then
if $test -f /usr/etc/nibindd; then
echo " "
echo "I'm fairly confident you're on a NeXT."
echo " "
rp='Do you get the hosts file via NetInfo?'
dflt=y
case "$hostcat" in
nidump*) ;;
'') ;;
*) dflt=n;;
esac
. ./myread
case "$ans" in
y*) hostcat='nidump hosts .';;
*) case "$hostcat" in
nidump*) hostcat='';;
esac
;;
esac
fi
case "$hostcat" in
nidump*) ;;
*)
case "$hostcat" in
*ypcat*) dflt=y;;
'') if $contains '^\+' /etc/passwd >/dev/null 2>&1; then
dflt=y
else
dflt=n
fi;;
*) dflt=n;;
esac
echo " "
rp='Are you getting the hosts file via yellow pages?'
. ./myread
case "$ans" in
y*) hostcat='ypcat hosts';;
*) hostcat='cat /etc/hosts';;
esac
;;
esac
fi
case "$hostcat" in
'') test -f /etc/hosts && hostcat='cat /etc/hosts';;
esac
case "$groupcat" in
'') test -f /etc/group && groupcat='cat /etc/group';;
esac
case "$passcat" in
'') test -f /etc/passwd && passcat='cat /etc/passwd';;
esac
: now get the host name
echo " "
echo "Figuring out host name..." >&4
case "$myhostname" in
'') cont=true
echo 'Maybe "hostname" will work...'
if tans=`sh -c hostname 2>&1` ; then
myhostname=$tans
phostname=hostname
cont=''
fi
;;
*) cont='';;
esac
if $test "$cont"; then
if ./xenix; then
echo 'Oh, dear. Maybe "/etc/systemid" is the key...'
if tans=`cat /etc/systemid 2>&1` ; then
myhostname=$tans
phostname='cat /etc/systemid'
echo "Whadyaknow. Xenix always was a bit strange..."
cont=''
fi
elif $test -r /etc/systemid; then
echo "(What is a non-Xenix system doing with /etc/systemid?)"
fi
fi
if $test "$cont"; then
echo 'No, maybe "uuname -l" will work...'
if tans=`sh -c 'uuname -l' 2>&1` ; then
myhostname=$tans
phostname='uuname -l'
else
echo 'Strange. Maybe "uname -n" will work...'
if tans=`sh -c 'uname -n' 2>&1` ; then
myhostname=$tans
phostname='uname -n'
else
echo 'Oh well, maybe I can mine it out of whoami.h...'
if tans=`sh -c $contains' sysname $usrinc/whoami.h' 2>&1` ; then
myhostname=`echo "$tans" | $sed 's/^.*"\(.*\)"/\1/'`
phostname="sed -n -e '"'/sysname/s/^.*\"\\(.*\\)\"/\1/{'"' -e p -e q -e '}' <$usrinc/whoami.h"
else
case "$myhostname" in
'') echo "Does this machine have an identity crisis or something?"
phostname='';;
*)
echo "Well, you said $myhostname before..."
phostname='echo $myhostname';;
esac
fi
fi
fi
fi
: you do not want to know about this
set $myhostname
myhostname=$1
: verify guess
if $test "$myhostname" ; then
dflt=y
rp='Your host name appears to be "'$myhostname'".'" Right?"
. ./myread
case "$ans" in
y*) ;;
*) myhostname='';;
esac
fi
: bad guess or no guess
while $test "X$myhostname" = X ; do
dflt=''
rp="Please type the (one word) name of your host:"
. ./myread
myhostname="$ans"
done
: translate upper to lower if necessary
case "$myhostname" in
*[A-Z]*)
echo "(Normalizing case in your host name)"
myhostname=`echo $myhostname | ./tr '[A-Z]' '[a-z]'`
;;
esac
case "$myhostname" in
*.*)
dflt=`expr "X$myhostname" : "X[^.]*\(\..*\)"`
myhostname=`expr "X$myhostname" : "X\([^.]*\)\."`
echo "(Trimming domain name from host name--host name is now $myhostname)"
;;
*) case "$mydomain" in
'')
{
test "X$hostcat" = "Xypcat hosts" &&
ypmatch "$myhostname" hosts 2>/dev/null |\
$sed -e 's/[ ]*#.*//; s/$/ /' > hosts && \
$test -s hosts
} || {
test "X$hostcat" != "X" &&
$hostcat | $sed -n -e "s/[ ]*#.*//; s/\$/ /
/[ ]$myhostname[ . ]/p" > hosts
}
tmp_re="[ . ]"
$test x`$awk "/[0-9].*[ ]$myhostname$tmp_re/ { sum++ }
END { print sum }" hosts` = x1 || tmp_re="[ ]"
dflt=.`$awk "/[0-9].*[ ]$myhostname$tmp_re/ {for(i=2; i<=NF;i++) print \\\$i}" \
hosts | $sort | $uniq | \
$sed -n -e "s/$myhostname\.\([-a-zA-Z0-9_.]\)/\1/p"`
case `$echo X$dflt` in
X*\ *) echo "(Several hosts in /etc/hosts matched hostname)"
dflt=.
;;
X.) echo "(You do not have fully-qualified names in /etc/hosts)"
;;
esac
case "$dflt" in
.)
tans=`./loc resolv.conf X /etc /usr/etc`
if $test -f "$tans"; then
echo "(Attempting domain name extraction from $tans)"
dflt=.`$sed -n -e 's/ / /g' \
-e 's/^search *\([^ ]*\).*/\1/p' $tans \
| ./tr '[A-Z]' '[a-z]' 2>/dev/null`
case "$dflt" in
.) dflt=.`$sed -n -e 's/ / /g' \
-e 's/^domain *\([^ ]*\).*/\1/p' $tans \
| ./tr '[A-Z]' '[a-z]' 2>/dev/null`
;;
esac
fi
;;
esac
case "$dflt" in
.) echo "(No help from resolv.conf either -- attempting clever guess)"
dflt=.`sh -c domainname 2>/dev/null`
case "$dflt" in
'') dflt='.';;
.nis.*|.yp.*|.main.*) dflt=`echo $dflt | $sed -e 's/^\.[^.]*//'`;;
esac
;;
esac
case "$dflt" in
.) echo "(Lost all hope -- silly guess then)"
dflt='.uucp'
;;
esac
$rm -f hosts
;;
*) dflt="$mydomain";;
esac;;
esac
echo " "
rp="What is your domain name?"
. ./myread
tans="$ans"
case "$ans" in
'') ;;
.*) ;;
*) tans=".$tans";;
esac
mydomain="$tans"
: translate upper to lower if necessary
case "$mydomain" in
*[A-Z]*)
echo "(Normalizing case in your domain name)"
mydomain=`echo $mydomain | ./tr '[A-Z]' '[a-z]'`
;;
esac
: a little sanity check here
case "$phostname" in
'') ;;
*)
case `$phostname | ./tr '[A-Z]' '[a-z]'` in
$myhostname$mydomain|$myhostname) ;;
*)
case "$phostname" in
sed*)
echo "(That doesn't agree with your whoami.h file, by the way.)"
;;
*)
echo "(That doesn't agree with your $phostname command, by the way.)"
;;
esac
;;
esac
;;
esac
$cat <<EOM
I need to get your e-mail address in Internet format if possible, i.e.
something like user@host.domain. Please answer accurately since I have
no easy means to double check it. The default value provided below
is most probably close to reality but may not be valid from outside
your organization...
EOM
cont=x
while test "$cont"; do
case "$cf_email" in
'') dflt="$cf_by@$myhostname$mydomain";;
*) dflt="$cf_email";;
esac
rp='What is your e-mail address?'
. ./myread
cf_email="$ans"
case "$cf_email" in
*@*.*) cont='' ;;
*)
rp='Address does not look like an Internet one. Use it anyway?'
case "$fastread" in
yes) dflt=y ;;
*) dflt=n ;;
esac
. ./myread
case "$ans" in
y*) cont='' ;;
*) echo " " ;;
esac
;;
esac
done
$cat <<EOM
If you or somebody else will be maintaining perl at your site, please
fill in the correct e-mail address here so that they may be contacted
if necessary. Currently, the "perlbug" program included with perl
will send mail to this address in addition to perlbug@perl.com. You may
enter "none" for no administrator.
EOM
case "$perladmin" in
'') dflt="$cf_email";;
*) dflt="$perladmin";;
esac
rp='Perl administrator e-mail address'
. ./myread
perladmin="$ans"
: figure out how to guarantee perl startup
case "$startperl" in
'')
case "$sharpbang" in
*!)
$cat <<EOH
I can use the #! construct to start perl on your system. This will
make startup of perl scripts faster, but may cause problems if you
want to share those scripts and perl is not in a standard place
($binexp/perl) on all your platforms. The alternative is to force
a shell by starting the script with a single ':' character.
EOH
dflt="$binexp/perl"
rp='What shall I put after the #! to start up perl ("none" to not use #!)?'
. ./myread
case "$ans" in
none) startperl=": # use perl";;
*) startperl="#!$ans"
if $test 30 -lt `echo "$ans" | wc -c`; then
$cat >&4 <<EOM
WARNING: Some systems limit the #! command to 32 characters.
If you experience difficulty running Perl scripts with #!, try
installing Perl in a directory with a shorter pathname.
EOM
fi ;;
esac
;;
*) startperl=": # use perl"
;;
esac
;;
esac
echo "I'll use $startperl to start perl scripts."
: figure best path for perl in scripts
case "$perlpath" in
'')
perlpath="$binexp/perl"
case "$startperl" in
*!*) ;;
*)
$cat <<EOH
I will use the "eval 'exec'" idiom to start Perl on your system.
I can use the full path of your Perl binary for this purpose, but
doing so may cause problems if you want to share those scripts and
Perl is not always in a standard place ($binexp/perl).
EOH
dflt="$binexp/perl"
rp="What path shall I use in \"eval 'exec'\"?"
. ./myread
perlpath="$ans"
;;
esac
;;
esac
case "$startperl" in
*!*) ;;
*) echo "I'll use $perlpath in \"eval 'exec'\"" ;;
esac
: determine where public executable scripts go
set scriptdir scriptdir
eval $prefixit
case "$scriptdir" in
'')
dflt="$bin"
: guess some guesses
$test -d /usr/share/scripts && dflt=/usr/share/scripts
$test -d /usr/share/bin && dflt=/usr/share/bin
$test -d /usr/local/script && dflt=/usr/local/script
$test -d /usr/local/scripts && dflt=/usr/local/scripts
$test -d $prefixexp/script && dflt=$prefixexp/script
set dflt
eval $prefixup
;;
*) dflt="$scriptdir"
;;
esac
$cat <<EOM
Some installations have a separate directory just for executable scripts so
that they can mount it across multiple architectures but keep the scripts in
one spot. You might, for example, have a subdirectory of /usr/share for this.
Or you might just lump your scripts in with all your other executables.
EOM
fn=d~
rp='Where do you keep publicly executable scripts?'
. ./getfile
if $test "X$ansexp" != "X$scriptdirexp"; then
installscript=''
fi
scriptdir="$ans"
scriptdirexp="$ansexp"
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
installscript=`echo $scriptdirexp | sed "s#^$prefix#$installprefix#"`
else
installscript="$scriptdirexp"
fi
: determine where add-on public executables go
case "$sitebin" in
'') dflt=$siteprefix/bin ;;
*) dflt=$sitebin ;;
esac
fn=d~
rp='Pathname where the add-on public executables should be installed?'
. ./getfile
sitebin="$ans"
sitebinexp="$ansexp"
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
installsitebin=`echo $sitebinexp | sed "s#^$prefix#$installprefix#"`
else
installsitebin="$sitebinexp"
fi
: see if sqrtl exists
set sqrtl d_sqrtl
eval $inlibc
case "$ccflags" in
*-DUSE_LONG_DOUBLE*|*-DUSE_MORE_BITS*) uselongdouble="$define" ;;
esac
case "$uselongdouble" in
$define|true|[yY]*) dflt='y';;
*) dflt='n';;
esac
cat <<EOM
Perl can be built to take advantage of long doubles which
(if available) may give more accuracy and range for floating point numbers.
If this doesn't make any sense to you, just accept the default '$dflt'.
EOM
rp='Try to use long doubles if available?'
. ./myread
case "$ans" in
y|Y) val="$define" ;;
*) val="$undef" ;;
esac
set uselongdouble
eval $setvar
case "$uselongdouble" in
true|[yY]*) uselongdouble="$define" ;;
esac
case "$uselongdouble" in
$define)
: Look for a hint-file generated 'call-back-unit'. If the
: user has specified that long doubles should be used,
: we may need to set or change some other defaults.
if $test -f uselongdouble.cbu; then
echo "Your platform has some specific hints for long doubles, using them..."
. ./uselongdouble.cbu
else
$cat <<EOM
(Your platform doesn't have any specific hints for long doubles.)
EOM
fi
;;
esac
case "$uselongdouble:$d_sqrtl" in
$define:$undef)
$cat <<EOM >&4
*** You requested the use of long doubles but you do not seem to have
*** the mathematic functions for long doubles. I'm disabling the use
*** of long doubles.
EOM
uselongdouble=$undef
;;
esac
case "$useperlio" in
$define|true|[yY]*) dflt='y';;
*) dflt='n';;
esac
cat <<EOM
Previous version of $package used the standard IO mechanisms as defined
in <stdio.h>. Versions 5.003_02 and later of perl allow alternate IO
mechanisms via a "PerlIO" abstraction, but the stdio mechanism is still
the default. This abstraction layer can use AT&T's sfio (if you already
have sfio installed) or regular stdio. Using PerlIO with sfio may cause
problems with some extension modules. Using PerlIO with stdio is safe,
but it is slower than plain stdio and therefore is not the default.
If this doesn't make any sense to you, just accept the default '$dflt'.
EOM
rp='Use the experimental PerlIO abstraction layer?'
. ./myread
case "$ans" in
y|Y)
val="$define"
;;
*)
echo "Ok, doing things the stdio way"
val="$undef"
;;
esac
set useperlio
eval $setvar
case "$vendorprefix" in
'') d_vendorbin="$undef"
vendorbin=''
vendorbinexp=''
;;
*) d_vendorbin="$define"
: determine where vendor-supplied executables go.
case "$vendorbin" in
'') dflt=$vendorprefix/bin ;;
*) dflt="$vendorbin" ;;
esac
fn=d~+
rp='Pathname for the vendor-supplied executables directory?'
. ./getfile
vendorbin="$ans"
vendorbinexp="$ansexp"
;;
esac
: Change installation prefix, if necessary.
if $test X"$prefix" != X"$installprefix"; then
installvendorbin=`echo $vendorbinexp | $sed "s#^$prefix#$installprefix#"`
else
installvendorbin="$vendorbinexp"
fi
: see if qgcvt exists
set qgcvt d_qgcvt
eval $inlibc
: check for length of double
echo " "
case "$doublesize" in
'')
echo "Checking to see how big your double precision numbers are..." >&4
$cat >try.c <<'EOCP'
#include <stdio.h>
int main()
{
printf("%d\n", (int)sizeof(double));
exit(0);
}
EOCP
set try
if eval $compile_ok; then
doublesize=`./try`
echo "Your double is $doublesize bytes long."
else
dflt='8'
echo "(I can't seem to compile the test program. Guessing...)"
rp="What is the size of a double precision number (in bytes)?"
. ./myread
doublesize="$ans"
fi
;;
esac
$rm -f try.c try
: check for long doubles
echo " "
echo "Checking to see if you have long double..." >&4
echo 'int main() { long double x = 7.0; }' > try.c
set try
if eval $compile; then
val="$define"
echo "You have long double."
else
val="$undef"
echo "You do not have long double."
fi
$rm try.*
set d_longdbl
eval $setvar
: check for length of long double
case "${d_longdbl}${longdblsize}" in
$define)
echo " "
echo "Checking to see how big your long doubles are..." >&4
$cat >try.c <<'EOCP'
#include <stdio.h>
int main()
{
printf("%d\n", sizeof(long double));
}
EOCP
set try
set try
if eval $compile; then
longdblsize=`./try$exe_ext`
echo "Your long doubles are $longdblsize bytes long."
else
dflt='8'
echo " "
echo "(I can't seem to compile the test program. Guessing...)" >&4
rp="What is the size of a long double (in bytes)?"
. ./myread
longdblsize="$ans"
fi
if $test "X$doublesize" = "X$longdblsize"; then
echo "(That isn't any different from an ordinary double.)"
fi
;;
esac
$rm -f try.* try
echo " "
if $test X"$d_longdbl" = X"$define"; then
echo "Checking how to print long doubles..." >&4
if $test X"$sPRIfldbl" = X -a X"$doublesize" = X"$longdblsize"; then
$cat >try.c <<'EOCP'
#include <sys/types.h>
#include <stdio.h>
int main() {
double d = 123.456;
printf("%.3f\n", d);
}
EOCP
set try
if eval $compile; then
yyy=`./try$exe_ext`
case "$yyy" in
123.456)
sPRIfldbl='"f"'; sPRIgldbl='"g"'; sPRIeldbl='"e"';
sPRIFldbl='"F"'; sPRIGldbl='"G"'; sPRIEldbl='"E"';
echo "We will use %f."
;;
esac
fi
fi
if $test X"$sPRIfldbl" = X; then
$cat >try.c <<'EOCP'
#include <sys/types.h>
#include <stdio.h>
int main() {
long double d = 123.456;
printf("%.3llf\n", d);
}
EOCP
set try
if eval $compile; then
yyy=`./try$exe_ext`
case "$yyy" in
123.456)
sPRIfldbl='"llf"'; sPRIgldbl='"llg"'; sPRIeldbl='"lle"';
sPRIFldbl='"llF"'; sPRIGldbl='"llG"'; sPRIEldbl='"llE"';
echo "We will use %llf."
;;
esac
fi
fi
if $test X"$sPRIfldbl" = X; then
$cat >try.c <<'EOCP'
#include <sys/types.h>
#include <stdio.h>
int main() {
long double d = 123.456;
printf("%.3Lf\n", d);
}
EOCP
set try
if eval $compile; then
yyy=`./try$exe_ext`
case "$yyy" in
123.456)
sPRIfldbl='"Lf"'; sPRIgldbl='"Lg"'; sPRIeldbl='"Le"';
sPRIFldbl='"LF"'; sPRIGldbl='"LG"'; sPRIEldbl='"LE"';
echo "We will use %Lf."
;;
esac
fi
fi
if $test X"$sPRIfldbl" = X; then
$cat >try.c <<'EOCP'
#include <sys/types.h>
#include <stdio.h>
int main() {
long double d = 123.456;
printf("%.3lf\n", d);
}
EOCP
set try
if eval $compile; then
yyy=`./try$exe_ext`
case "$yyy" in
123.456)
sPRIfldbl='"lf"'; sPRIgldbl='"lg"'; sPRIeldbl='"le"';
sPRIFldbl='"lF"'; sPRIGldbl='"lG"'; sPRIEldbl='"lE"';
echo "We will use %lf."
;;
esac
fi
fi
if $test X"$sPRIfldbl" = X; then
echo "Cannot figure out how to print long doubles." >&4
fi
$rm -f try try.*
fi # d_longdbl
case "$sPRIfldbl" in
'') d_PRIfldbl="$undef"; d_PRIgldbl="$undef"; d_PRIeldbl="$undef";
d_PRIFldbl="$undef"; d_PRIGldbl="$undef"; d_PRIEldbl="$undef";
;;
*) d_PRIfldbl="$define"; d_PRIgldbl="$define"; d_PRIeldbl="$define";
d_PRIFldbl="$define"; d_PRIGldbl="$define"; d_PRIEldbl="$define";
;;
esac
: Check how to convert floats to strings.
if test "X$d_Gconvert" = X; then
echo " "
echo "Checking for an efficient way to convert floats to strings."
echo " " > try.c
case "$uselongdouble" in
"$define") echo "#define USE_LONG_DOUBLE" >>try.c ;;
esac
case "$d_longdbl" in
"$define") echo "#define HAS_LONG_DOUBLE" >>try.c ;;
esac
case "$d_PRIgldbl" in
"$define") echo "#define HAS_PRIgldbl" >>try.c ;;
esac
$cat >>try.c <<EOP
#ifdef TRY_gconvert
#define Gconvert(x,n,t,b) gconvert((x),(n),(t),(b))
char *myname = "gconvert";
#endif
#ifdef TRY_gcvt
#define Gconvert(x,n,t,b) gcvt((x),(n),(b))
char *myname = "gcvt";
#endif
#ifdef TRY_qgcvt
#define Gconvert(x,n,t,b) qgcvt((x),(n),(b))
char *myname = "qgcvt";
#define DOUBLETYPE long double
#endif
#ifdef TRY_sprintf
#if defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE) && defined(HAS_PRIgldbl)
#define Gconvert(x,n,t,b) sprintf((b),"%.*"$sPRIgldbl,(n),(x))
#else
#define Gconvert(x,n,t,b) sprintf((b),"%.*g",(n),(x))
#endif
char *myname = "sprintf";
#endif
#ifndef DOUBLETYPE
#if defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE)
#define DOUBLETYPE long double
#else
#define DOUBLETYPE double
#endif
#endif
#include <stdio.h>
#define I_STDLIB $i_stdlib
#ifdef I_STDLIB
#include <stdlib.h>
#endif
int
checkit(expect, got)
char *expect;
char *got;
{
if (strcmp(expect, got)) {
printf("%s oddity: Expected %s, got %s\n",
myname, expect, got);
exit(1);
}
}
int main()
{
char buf[64];
buf[63] = '\0';
/* This must be 1st test on (which?) platform */
/* Alan Burlison <AlanBurlsin@unn.unisys.com> */
Gconvert((DOUBLETYPE)0.1, 8, 0, buf);
checkit("0.1", buf);
Gconvert((DOUBLETYPE)1.0, 8, 0, buf);
checkit("1", buf);
Gconvert((DOUBLETYPE)1.1, 8, 0, buf);
checkit("1.1", buf);
Gconvert((DOUBLETYPE)1.01, 8, 0, buf);
checkit("1.01", buf);
Gconvert((DOUBLETYPE)1.001, 8, 0, buf);
checkit("1.001", buf);
Gconvert((DOUBLETYPE)1.0001, 8, 0, buf);
checkit("1.0001", buf);
Gconvert((DOUBLETYPE)1.00001, 8, 0, buf);
checkit("1.00001", buf);
Gconvert((DOUBLETYPE)1.000001, 8, 0, buf);
checkit("1.000001", buf);
Gconvert((DOUBLETYPE)0.0, 8, 0, buf);
checkit("0", buf);
Gconvert((DOUBLETYPE)-1.0, 8, 0, buf);
checkit("-1", buf);
/* Some Linux gcvt's give 1.e+5 here. */
Gconvert((DOUBLETYPE)100000.0, 8, 0, buf);
checkit("100000", buf);
/* Some Linux gcvt's give -1.e+5 here. */
Gconvert((DOUBLETYPE)-100000.0, 8, 0, buf);
checkit("-100000", buf);
exit(0);
}
EOP
case "$d_Gconvert" in
gconvert*) xxx_list='gconvert gcvt sprintf' ;;
gcvt*) xxx_list='gcvt gconvert sprintf' ;;
sprintf*) xxx_list='sprintf gconvert gcvt' ;;
*) xxx_list='gconvert gcvt sprintf' ;;
esac
case "$d_longdbl$uselongdouble$d_qgcvt" in
"$define$define$define") xxx_list="`echo $xxx_list|sed 's/gcvt/qgcvt gcvt/'`" ;;
esac
for xxx_convert in $xxx_list; do
echo "Trying $xxx_convert..."
$rm -f try try$_o
set try -DTRY_$xxx_convert
if eval $compile; then
echo "$xxx_convert() found." >&4
if ./try; then
echo "I'll use $xxx_convert to convert floats into a string." >&4
break;
else
echo "...But $xxx_convert didn't work as I expected."
fi
else
echo "$xxx_convert NOT found." >&4
fi
done
case "$xxx_convert" in
gconvert) d_Gconvert='gconvert((x),(n),(t),(b))' ;;
gcvt) d_Gconvert='gcvt((x),(n),(b))' ;;
qgcvt) d_Gconvert='qgcvt((x),(n),(b))' ;;
*) case "$uselongdouble$d_longdbl$d_PRIgldbl" in
"$define$define$define")
d_Gconvert="sprintf((b),\"%.*$sPRIgldbl\",(n),(x))" ;;
*) d_Gconvert='sprintf((b),"%.*g",(n),(x))' ;;
esac
;;
esac
fi
: Initialize h_fcntl
h_fcntl=false
: Initialize h_sysfile
h_sysfile=false
: access call always available on UNIX
set access d_access
eval $inlibc
: locate the flags for 'access()'
case "$d_access" in
"$define")
echo " "
$cat >access.c <<'EOCP'
#include <sys/types.h>
#ifdef I_FCNTL
#include <fcntl.h>
#endif
#ifdef I_SYS_FILE
#include <sys/file.h>
#endif
#ifdef I_UNISTD
#include <unistd.h>
#endif
int main() {
exit(R_OK);
}
EOCP
: check sys/file.h first, no particular reason here
if $test `./findhdr sys/file.h` && \
$cc $cppflags -DI_SYS_FILE -o access access.c >/dev/null 2>&1 ; then
h_sysfile=true;
echo "<sys/file.h> defines the *_OK access constants." >&4
elif $test `./findhdr fcntl.h` && \
$cc $cppflags -DI_FCNTL -o access access.c >/dev/null 2>&1 ; then
h_fcntl=true;
echo "<fcntl.h> defines the *_OK access constants." >&4
elif $test `./findhdr unistd.h` && \
$cc $cppflags -DI_UNISTD -o access access.c >/dev/null 2>&1 ; then
echo "<unistd.h> defines the *_OK access constants." >&4
else
echo "I can't find the four *_OK access constants--I'll use mine." >&4
fi
;;
esac
$rm -f access*
: see if accessx exists
set accessx d_accessx
eval $inlibc
: see if alarm exists
set alarm d_alarm
eval $inlibc
: see if atolf exists
set atolf d_atolf
eval $inlibc
: see if atoll exists
set atoll d_atoll
eval $inlibc
: Look for GNU-cc style attribute checking
echo " "
echo "Checking whether your compiler can handle __attribute__ ..." >&4
$cat >attrib.c <<'EOCP'
#include <stdio.h>
void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn));
EOCP
if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then
if $contains 'warning' attrib.out >/dev/null 2>&1; then
echo "Your C compiler doesn't fully support __attribute__."
val="$undef"
else
echo "Your C compiler supports __attribute__."
val="$define"
fi
else
echo "Your C compiler doesn't seem to understand __attribute__ at all."
val="$undef"
fi
set d_attribut
eval $setvar
$rm -f attrib*
: see if bcmp exists
set bcmp d_bcmp
eval $inlibc
: see if bcopy exists
set bcopy d_bcopy
eval $inlibc
: see if this is a unistd.h system
set unistd.h i_unistd
eval $inhdr
: see if getpgrp exists
set getpgrp d_getpgrp
eval $inlibc
case "$d_getpgrp" in
"$define")
echo " "
echo "Checking to see which flavor of getpgrp is in use..."
$cat >set.c <<EOP
#$i_unistd I_UNISTD
#include <sys/types.h>
#ifdef I_UNISTD
# include <unistd.h>
#endif
int main()
{
if (getuid() == 0) {
printf("(I see you are running Configure as super-user...)\n");
setuid(1);
}
#ifdef TRY_BSD_PGRP
if (getpgrp(1) == 0)
exit(0);
#else
if (getpgrp() > 0)
exit(0);
#endif
exit(1);
}
EOP
if $cc -DTRY_BSD_PGRP $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
echo "You have to use getpgrp(pid) instead of getpgrp()." >&4
val="$define"
elif $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
echo "You have to use getpgrp() instead of getpgrp(pid)." >&4
val="$undef"
else
echo "I can't seem to compile and run the test program."
if ./usg; then
xxx="a USG one, i.e. you use getpgrp()."
else
# SVR4 systems can appear rather BSD-ish.
case "$i_unistd" in
$undef)
xxx="a BSD one, i.e. you use getpgrp(pid)."
val="$define"
;;
$define)
xxx="probably a USG one, i.e. you use getpgrp()."
val="$undef"
;;
esac
fi
echo "Assuming your getpgrp is $xxx" >&4
fi
;;
*) val="$undef";;
esac
set d_bsdgetpgrp
eval $setvar
$rm -f set set.c
: see if setpgrp exists
set setpgrp d_setpgrp
eval $inlibc
case "$d_setpgrp" in
"$define")
echo " "
echo "Checking to see which flavor of setpgrp is in use..."
$cat >set.c <<EOP
#$i_unistd I_UNISTD
#include <sys/types.h>
#ifdef I_UNISTD
# include <unistd.h>
#endif
int main()
{
if (getuid() == 0) {
printf("(I see you are running Configure as super-user...)\n");
setuid(1);
}
#ifdef TRY_BSD_PGRP
if (-1 == setpgrp(1, 1))
exit(0);
#else
if (setpgrp() != -1)
exit(0);
#endif
exit(1);
}
EOP
if $cc -DTRY_BSD_PGRP $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
echo 'You have to use setpgrp(pid,pgrp) instead of setpgrp().' >&4
val="$define"
elif $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then
echo 'You have to use setpgrp() instead of setpgrp(pid,pgrp).' >&4
val="$undef"
else
echo "(I can't seem to compile and run the test program.)"
if ./usg; then
xxx="a USG one, i.e. you use setpgrp()."
else
# SVR4 systems can appear rather BSD-ish.
case "$i_unistd" in
$undef)
xxx="a BSD one, i.e. you use setpgrp(pid,pgrp)."
val="$define"
;;
$define)
xxx="probably a USG one, i.e. you use setpgrp()."
val="$undef"
;;
esac
fi
echo "Assuming your setpgrp is $xxx" >&4
fi
;;
*) val="$undef";;
esac
set d_bsdsetpgrp
eval $setvar
$rm -f set set.c
: see if bzero exists
set bzero d_bzero
eval $inlibc
: see if signal is declared as pointer to function returning int or void
echo " "
xxx=`./findhdr signal.h`
$test "$xxx" && $cppstdin $cppminus $cppflags < $xxx >$$.tmp 2>/dev/null
if $contains 'int.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
echo "You have int (*signal())() instead of void." >&4
val="$undef"
elif $contains 'void.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then
echo "You have void (*signal())()." >&4
val="$define"
elif $contains 'extern[ ]*[(\*]*signal' $$.tmp >/dev/null 2>&1 ; then
echo "You have int (*signal())() instead of void." >&4
val="$undef"
elif $contains 'void.*\*.*sig' $$.tmp >/dev/null 2>&1 ; then
echo "You have void (*signal())()." >&4
val="$define"
else
case "$d_voidsig" in
'')
echo "I can't determine whether signal handler returns void or int..." >&4
dflt=void
rp="What type does your signal handler return?"
. ./myread
case "$ans" in
v*) val="$define";;
*) val="$undef";;
esac;;
"$define")
echo "As you already told me, signal handler returns void." >&4
val="$define"
;;
*) echo "As you already told me, signal handler returns int." >&4
val="$undef"
;;
esac
fi
set d_voidsig
eval $setvar
case "$d_voidsig" in
"$define") signal_t="void";;
*) signal_t="int";;
esac
$rm -f $$.tmp
: check for ability to cast large floats to 32-bit ints.
echo " "
echo 'Checking whether your C compiler can cast large floats to int32.' >&4
if $test "$intsize" -ge 4; then
xxx=int
else
xxx=long
fi
$cat >try.c <<EOCP
#include <stdio.h>
#include <sys/types.h>
#include <signal.h>
$signal_t blech(s) int s; { exit(3); }
int main()
{
$xxx i32;
double f, g;
int result = 0;
char str[16];
signal(SIGFPE, blech);
/* Don't let compiler optimize the test away. Store the number
in a writable string for gcc to pass to sscanf under HP/UX.
*/
sprintf(str, "2147483647");
sscanf(str, "%lf", &f); /* f = (double) 0x7fffffff; */
g = 10 * f;
i32 = ($xxx) g;
/* x86 processors will probably give 0x8000 0000, which is a
sign change. We don't want that. We want to mimic SPARC
behavior here, which is to preserve the sign and give
back 0x7fff ffff.
*/
if (i32 != ($xxx) f)
result |= 1;
exit(result);
}
EOCP
set try
if eval $compile_ok; then
./try
yyy=$?
else
echo "(I can't seem to compile the test program--assuming it can't)"
yyy=1
fi
case "$yyy" in
0) val="$define"
echo "Yup, it can."
;;
*) val="$undef"
echo "Nope, it can't."
;;
esac
set d_casti32
eval $setvar
$rm -f try try.*
: check for ability to cast negative floats to unsigned
echo " "
echo 'Checking whether your C compiler can cast negative float to unsigned.' >&4
$cat >try.c <<EOCP
#include <stdio.h>
#include <sys/types.h>
#include <signal.h>
$signal_t blech(s) int s; { exit(7); }
$signal_t blech_in_list(s) int s; { exit(4); }
unsigned long dummy_long(p) unsigned long p; { return p; }
unsigned int dummy_int(p) unsigned int p; { return p; }
unsigned short dummy_short(p) unsigned short p; { return p; }
int main()
{
double f;
unsigned long along;
unsigned int aint;
unsigned short ashort;
int result = 0;
char str[16];
/* Frustrate gcc-2.7.2's optimizer which failed this test with
a direct f = -123. assignment. gcc-2.8.0 reportedly
optimized the whole file away
*/
/* Store the number in a writable string for gcc to pass to
sscanf under HP/UX.
*/
sprintf(str, "-123");
sscanf(str, "%lf", &f); /* f = -123.; */
signal(SIGFPE, blech);
along = (unsigned long)f;
aint = (unsigned int)f;
ashort = (unsigned short)f;
if (along != (unsigned long)-123)
result |= 1;
if (aint != (unsigned int)-123)
result |= 1;
if (ashort != (unsigned short)-123)
result |= 1;
sprintf(str, "1073741824.");
sscanf(str, "%lf", &f); /* f = (double)0x40000000; */
f = f + f;
along = 0;
along = (unsigned long)f;
if (along != 0x80000000)
result |= 2;
f -= 1.;
along = 0;
along = (unsigned long)f;
if (along != 0x7fffffff)
result |= 1;
f += 2.;
along = 0;
along = (unsigned long)f;
if (along != 0x80000001)
result |= 2;
if (result)
exit(result);
signal(SIGFPE, blech_in_list);
sprintf(str, "123.");
sscanf(str, "%lf", &f); /* f = 123.; */
along = dummy_long((unsigned long)f);
aint = dummy_int((unsigned int)f);
ashort = dummy_short((unsigned short)f);
if (along != (unsigned long)123)
result |= 4;
if (aint != (unsigned int)123)
result |= 4;
if (ashort != (unsigned short)123)
result |= 4;
exit(result);
}
EOCP
set try
if eval $compile_ok; then
./try
castflags=$?
else
echo "(I can't seem to compile the test program--assuming it can't)"
castflags=7
fi
case "$castflags" in
0) val="$define"
echo "Yup, it can."
;;
*) val="$undef"
echo "Nope, it can't."
;;
esac
set d_castneg
eval $setvar
$rm -f try.*
: see if vprintf exists
echo " "
if set vprintf val -f d_vprintf; eval $csym; $val; then
echo 'vprintf() found.' >&4
val="$define"
$cat >vprintf.c <<'EOF'
#include <varargs.h>
int main() { xxx("foo"); }
xxx(va_alist)
va_dcl
{
va_list args;
char buf[10];
va_start(args);
exit((unsigned long)vsprintf(buf,"%s",args) > 10L);
}
EOF
set vprintf
if eval $compile && ./vprintf; then
echo "Your vsprintf() returns (int)." >&4
val2="$undef"
else
echo "Your vsprintf() returns (char*)." >&4
val2="$define"
fi
else
echo 'vprintf() NOT found.' >&4
val="$undef"
val2="$undef"
fi
set d_vprintf
eval $setvar
val=$val2
set d_charvspr
eval $setvar
: see if chown exists
set chown d_chown
eval $inlibc
: see if chroot exists
set chroot d_chroot
eval $inlibc
: see if chsize exists
set chsize d_chsize
eval $inlibc
: check for const keyword
echo " "
echo 'Checking to see if your C compiler knows about "const"...' >&4
$cat >const.c <<'EOCP'
typedef struct spug { int drokk; } spug;
int main()
{
const char *foo;
const spug y;
}
EOCP
if $cc -c $ccflags const.c >/dev/null 2>&1 ; then
val="$define"
echo "Yup, it does."
else
val="$undef"
echo "Nope, it doesn't."
fi
set d_const
eval $setvar
: see if crypt exists
echo " "
if set crypt val -f d_crypt; eval $csym; $val; then
echo 'crypt() found.' >&4
val="$define"
cryptlib=''
else
cryptlib=`./loc Slibcrypt$_a "" $xlibpth`
if $test -z "$cryptlib"; then
cryptlib=`./loc Mlibcrypt$_a "" $xlibpth`
else
cryptlib=-lcrypt
fi
if $test -z "$cryptlib"; then
cryptlib=`./loc Llibcrypt$_a "" $xlibpth`
else
cryptlib=-lcrypt
fi
if $test -z "$cryptlib"; then
cryptlib=`./loc libcrypt$_a "" $libpth`
else
cryptlib=-lcrypt
fi
if $test -z "$cryptlib"; then
echo 'crypt() NOT found.' >&4
val="$undef"
else
val="$define"
fi
fi
set d_crypt
eval $setvar
: get csh whereabouts
case "$csh" in
'csh') val="$undef" ;;
*) val="$define" ;;
esac
set d_csh
eval $setvar
: Respect a hint or command line value for full_csh.
case "$full_csh" in
'') full_csh=$csh ;;
esac
: see if cuserid exists
set cuserid d_cuserid
eval $inlibc
: see if this is a limits.h system
set limits.h i_limits
eval $inhdr
: see if this is a float.h system
set float.h i_float
eval $inhdr
: See if number of significant digits in a double precision number is known
echo " "
$cat >dbl_dig.c <<EOM
#$i_limits I_LIMITS
#$i_float I_FLOAT
#ifdef I_LIMITS
#include <limits.h>
#endif
#ifdef I_FLOAT
#include <float.h>
#endif
#ifdef DBL_DIG
printf("Contains DBL_DIG");
#endif
EOM
$cppstdin $cppflags $cppminus < dbl_dig.c >dbl_dig.E 2>/dev/null
if $contains 'DBL_DIG' dbl_dig.E >/dev/null 2>&1; then
echo "DBL_DIG found." >&4
val="$define"
else
echo "DBL_DIG NOT found." >&4
val="$undef"
fi
$rm -f dbl_dig.?
set d_dbl_dig
eval $setvar
: see if difftime exists
set difftime d_difftime
eval $inlibc
: see if this is a dirent system
echo " "
if xinc=`./findhdr dirent.h`; $test "$xinc"; then
val="$define"
echo "<dirent.h> found." >&4
else
val="$undef"
if xinc=`./findhdr sys/dir.h`; $test "$xinc"; then
echo "<sys/dir.h> found." >&4
echo " "
else
xinc=`./findhdr sys/ndir.h`
fi
echo "<dirent.h> NOT found." >&4
fi
set i_dirent
eval $setvar
: Look for type of directory structure.
echo " "
$cppstdin $cppflags $cppminus < "$xinc" > try.c
case "$direntrytype" in
''|' ')
case "$i_dirent" in
$define) guess1='struct dirent' ;;
*) guess1='struct direct' ;;
esac
;;
*) guess1="$direntrytype"
;;
esac
case "$guess1" in
'struct dirent') guess2='struct direct' ;;
*) guess2='struct dirent' ;;
esac
if $contains "$guess1" try.c >/dev/null 2>&1; then
direntrytype="$guess1"
echo "Your directory entries are $direntrytype." >&4
elif $contains "$guess2" try.c >/dev/null 2>&1; then
direntrytype="$guess2"
echo "Your directory entries seem to be $direntrytype." >&4
else
echo "I don't recognize your system's directory entries." >&4
rp="What type is used for directory entries on this system?"
dflt="$guess1"
. ./myread
direntrytype="$ans"
fi
$rm -f try.c
: see if the directory entry stores field length
echo " "
$cppstdin $cppflags $cppminus < "$xinc" > try.c
if $contains 'd_namlen' try.c >/dev/null 2>&1; then
echo "Good, your directory entry keeps length information in d_namlen." >&4
val="$define"
else
echo "Your directory entry does not know about the d_namlen field." >&4
val="$undef"
fi
set d_dirnamlen
eval $setvar
$rm -f try.c
: see if dlerror exists
xxx_runnm="$runnm"
runnm=false
set dlerror d_dlerror
eval $inlibc
runnm="$xxx_runnm"
: see if dlfcn is available
set dlfcn.h i_dlfcn
eval $inhdr
case "$usedl" in
$define|y|true)
$cat << EOM
On a few systems, the dynamically loaded modules that perl generates and uses
will need a different extension than shared libs. The default will probably
be appropriate.
EOM
case "$dlext" in
'') dflt="$so" ;;
*) dflt="$dlext" ;;
esac
rp='What is the extension of dynamically loaded modules'
. ./myread
dlext="$ans"
;;
*)
dlext="none"
;;
esac
: Check if dlsym need a leading underscore
echo " "
val="$undef"
case "$dlsrc" in
dl_dlopen.xs)
echo "Checking whether your dlsym() needs a leading underscore ..." >&4
$cat >dyna.c <<'EOM'
fred () { }
EOM
$cat >fred.c<<EOM
#include <stdio.h>
#$i_dlfcn I_DLFCN
#ifdef I_DLFCN
#include <dlfcn.h> /* the dynamic linker include file for Sunos/Solaris */
#else
#include <sys/types.h>
#include <nlist.h>
#include <link.h>
#endif
extern int fred() ;
int main()
{
void * handle ;
void * symbol ;
#ifndef RTLD_LAZY
int mode = 1 ;
#else
int mode = RTLD_LAZY ;
#endif
handle = dlopen("./dyna.$dlext", mode) ;
if (handle == NULL) {
printf ("1\n") ;
fflush (stdout) ;
exit(0);
}
symbol = dlsym(handle, "fred") ;
if (symbol == NULL) {
/* try putting a leading underscore */
symbol = dlsym(handle, "_fred") ;
if (symbol == NULL) {
printf ("2\n") ;
fflush (stdout) ;
exit(0);
}
printf ("3\n") ;
}
else
printf ("4\n") ;
fflush (stdout) ;
exit(0);
}
EOM
: Call the object file tmp-dyna.o in case dlext=o.
if $cc $ccflags $cccdlflags -c dyna.c > /dev/null 2>&1 &&
mv dyna${_o} tmp-dyna${_o} > /dev/null 2>&1 &&
$ld $lddlflags -o dyna.$dlext tmp-dyna${_o} > /dev/null 2>&1 &&
$cc $ccflags -o fred $ldflags $cccdlflags $ccdlflags fred.c $libs > /dev/null 2>&1; then
xxx=`./fred`
case $xxx in
1) echo "Test program failed using dlopen." >&4
echo "Perhaps you should not use dynamic loading." >&4;;
2) echo "Test program failed using dlsym." >&4
echo "Perhaps you should not use dynamic loading." >&4;;
3) echo "dlsym needs a leading underscore" >&4
val="$define" ;;
4) echo "dlsym doesn't need a leading underscore." >&4;;
esac
else
echo "I can't compile and run the test program." >&4
echo "I'm guessing that dlsym doesn't need a leading underscore." >&4
fi
;;
esac
$rm -f fred fred.? dyna.$dlext dyna.? tmp-dyna.?
set d_dlsymun
eval $setvar
hasproto='varname=$1; func=$2; shift; shift;
while $test $# -ge 2; do
case "$1" in
$define) echo "#include <$2>";;
esac ;
shift 2;
done > try.c;
$cppstdin $cppflags $cppminus < try.c > tryout.c 2>/dev/null;
if $contains "$func.*(" tryout.c >/dev/null 2>&1; then
echo "$func() prototype found.";
val="$define";
else
echo "$func() prototype NOT found.";
val="$undef";
fi;
set $varname;
eval $setvar;
$rm -f try.c tryout.c'
: see if prototype for drand48 is available
echo " "
set d_drand48proto drand48 $i_stdlib stdlib.h $i_unistd unistd.h
eval $hasproto
: see if dup2 exists
set dup2 d_dup2
eval $inlibc
: see if eaccess exists
set eaccess d_eaccess
eval $inlibc
: see if endgrent exists
set endgrent d_endgrent
eval $inlibc
: see if endhostent exists
set endhostent d_endhent
eval $inlibc
: see if endnetent exists
set endnetent d_endnent
eval $inlibc
: see if endprotoent exists
set endprotoent d_endpent
eval $inlibc
: see if endpwent exists
set endpwent d_endpwent
eval $inlibc
: see if endservent exists
set endservent d_endsent
eval $inlibc
: Locate the flags for 'open()'
echo " "
$cat >open3.c <<'EOCP'
#include <sys/types.h>
#ifdef I_FCNTL
#include <fcntl.h>
#endif
#ifdef I_SYS_FILE
#include <sys/file.h>
#endif
int main() {
if(O_RDONLY);
#ifdef O_TRUNC
exit(0);
#else
exit(1);
#endif
}
EOCP
: check sys/file.h first to get FREAD on Sun
if $test `./findhdr sys/file.h` && \
set open3 -DI_SYS_FILE && eval $compile; then
h_sysfile=true;
echo "<sys/file.h> defines the O_* constants..." >&4
if ./open3; then
echo "and you have the 3 argument form of open()." >&4
val="$define"
else
echo "but not the 3 argument form of open(). Oh, well." >&4
val="$undef"
fi
elif $test `./findhdr fcntl.h` && \
set open3 -DI_FCNTL && eval $compile; then
h_fcntl=true;
echo "<fcntl.h> defines the O_* constants..." >&4
if ./open3; then
echo "and you have the 3 argument form of open()." >&4
val="$define"
else
echo "but not the 3 argument form of open(). Oh, well." >&4
val="$undef"
fi
else
val="$undef"
echo "I can't find the O_* constant definitions! You got problems." >&4
fi
set d_open3
eval $setvar
$rm -f open3*
: see which of string.h or strings.h is needed
echo " "
strings=`./findhdr string.h`
if $test "$strings" && $test -r "$strings"; then
echo "Using <string.h> instead of <strings.h>." >&4
val="$define"
else
val="$undef"
strings=`./findhdr strings.h`
if $test "$strings" && $test -r "$strings"; then
echo "Using <strings.h> instead of <string.h>." >&4
else
echo "No string header found -- You'll surely have problems." >&4
fi
fi
set i_string
eval $setvar
case "$i_string" in
"$undef") strings=`./findhdr strings.h`;;
*) strings=`./findhdr string.h`;;
esac
: check for non-blocking I/O stuff
case "$h_sysfile" in
true) echo "#include <sys/file.h>" > head.c;;
*)
case "$h_fcntl" in
true) echo "#include <fcntl.h>" > head.c;;
*) echo "#include <sys/fcntl.h>" > head.c;;
esac
;;
esac
echo " "
echo "Figuring out the flag used by open() for non-blocking I/O..." >&4
case "$o_nonblock" in
'')
$cat head.c > try.c
$cat >>try.c <<'EOCP'
#include <stdio.h>
int main() {
#ifdef O_NONBLOCK
printf("O_NONBLOCK\n");
exit(0);
#endif
#ifdef O_NDELAY
printf("O_NDELAY\n");
exit(0);
#endif
#ifdef FNDELAY
printf("FNDELAY\n");
exit(0);
#endif
exit(0);
}
EOCP
set try
if eval $compile_ok; then
o_nonblock=`./try`
case "$o_nonblock" in
'') echo "I can't figure it out, assuming O_NONBLOCK will do.";;
*) echo "Seems like we can use $o_nonblock.";;
esac
else
echo "(I can't compile the test program; pray O_NONBLOCK is right!)"
fi
;;
*) echo "Using $hint value $o_nonblock.";;
esac
$rm -f try try.* .out core
echo " "
echo "Let's see what value errno gets from read() on a $o_nonblock file..." >&4
case "$eagain" in
'')
$cat head.c > try.c
$cat >>try.c <<EOCP
#include <errno.h>
#include <sys/types.h>
#include <signal.h>
#include <stdio.h>
#define MY_O_NONBLOCK $o_nonblock
#ifndef errno /* XXX need better Configure test */
extern int errno;
#endif
#$i_unistd I_UNISTD
#ifdef I_UNISTD
#include <unistd.h>
#endif
#$i_string I_STRING
#ifdef I_STRING
#include <string.h>
#else
#include <strings.h>
#endif
$signal_t blech(x) int x; { exit(3); }
EOCP
$cat >> try.c <<'EOCP'
int main()
{
int pd[2];
int pu[2];
char buf[1];
char string[100];
pipe(pd); /* Down: child -> parent */
pipe(pu); /* Up: parent -> child */
if (0 != fork()) {
int ret;
close(pd[1]); /* Parent reads from pd[0] */
close(pu[0]); /* Parent writes (blocking) to pu[1] */
if (-1 == fcntl(pd[0], F_SETFL, MY_O_NONBLOCK))
exit(1);
signal(SIGALRM, blech);
alarm(5);
if ((ret = read(pd[0], buf, 1)) > 0) /* Nothing to read! */
exit(2);
sprintf(string, "%d\n", ret);
write(2, string, strlen(string));
alarm(0);
#ifdef EAGAIN
if (errno == EAGAIN) {
printf("EAGAIN\n");
goto ok;
}
#endif
#ifdef EWOULDBLOCK
if (errno == EWOULDBLOCK)
printf("EWOULDBLOCK\n");
#endif
ok:
write(pu[1], buf, 1); /* Unblocks child, tell it to close our pipe */
sleep(2); /* Give it time to close our pipe */
alarm(5);
ret = read(pd[0], buf, 1); /* Should read EOF */
alarm(0);
sprintf(string, "%d\n", ret);
write(3, string, strlen(string));
exit(0);
}
close(pd[0]); /* We write to pd[1] */
close(pu[1]); /* We read from pu[0] */
read(pu[0], buf, 1); /* Wait for parent to signal us we may continue */
close(pd[1]); /* Pipe pd is now fully closed! */
exit(0); /* Bye bye, thank you for playing! */
}
EOCP
set try
if eval $compile_ok; then
echo "$startsh" >mtry
echo "./try >try.out 2>try.ret 3>try.err || exit 4" >>mtry
chmod +x mtry
./mtry >/dev/null 2>&1
case $? in
0) eagain=`$cat try.out`;;
1) echo "Could not perform non-blocking setting!";;
2) echo "I did a successful read() for something that was not there!";;
3) echo "Hmm... non-blocking I/O does not seem to be working!";;
*) echo "Something terribly wrong happened during testing.";;
esac
rd_nodata=`$cat try.ret`
echo "A read() system call with no data present returns $rd_nodata."
case "$rd_nodata" in
0|-1) ;;
*)
echo "(That's peculiar, fixing that to be -1.)"
rd_nodata=-1
;;
esac
case "$eagain" in
'')
echo "Forcing errno EAGAIN on read() with no data available."
eagain=EAGAIN
;;
*)
echo "Your read() sets errno to $eagain when no data is available."
;;
esac
status=`$cat try.err`
case "$status" in
0) echo "And it correctly returns 0 to signal EOF.";;
-1) echo "But it also returns -1 to signal EOF, so be careful!";;
*) echo "However, your read() returns '$status' on EOF??";;
esac
val="$define"
if test "$status" = "$rd_nodata"; then
echo "WARNING: you can't distinguish between EOF and no data!"
val="$undef"
fi
else
echo "I can't compile the test program--assuming errno EAGAIN will do."
eagain=EAGAIN
fi
set d_eofnblk
eval $setvar
;;
*)
echo "Using $hint value $eagain."
echo "Your read() returns $rd_nodata when no data is present."
case "$d_eofnblk" in
"$define") echo "And you can see EOF because read() returns 0.";;
"$undef") echo "But you can't see EOF status from read() returned value.";;
*)
echo "(Assuming you can't see EOF status from read anyway.)"
d_eofnblk=$undef
;;
esac
;;
esac
$rm -f try try.* .out core head.c mtry
: see if fchmod exists
set fchmod d_fchmod
eval $inlibc
: see if fchown exists
set fchown d_fchown
eval $inlibc
: see if this is an fcntl system
set fcntl d_fcntl
eval $inlibc
hasfield='varname=$1; struct=$2; field=$3; shift; shift; shift;
while $test $# -ge 2; do
case "$1" in
$define) echo "#include <$2>";;
esac ;
shift 2;
done > try.c;
echo "int main () { struct $struct foo; char* bar; bar = (char*)foo.$field; }" >> try.c;
set try;
if eval $compile; then
val="$define";
else
val="$undef";
fi;
set $varname;
eval $setvar;
$rm -f try.c try.o'
socketlib=''
sockethdr=''
: see whether socket exists
echo " "
$echo $n "Hmm... $c" >&4
if set socket val -f d_socket; eval $csym; $val; then
echo "Looks like you have Berkeley networking support." >&4
d_socket="$define"
if set setsockopt val -f; eval $csym; $val; then
d_oldsock="$undef"
else
echo "...but it uses the old BSD 4.1c interface, rather than 4.2." >&4
d_oldsock="$define"
fi
else
if $contains socklib libc.list >/dev/null 2>&1; then
echo "Looks like you have Berkeley networking support." >&4
d_socket="$define"
: we will have to assume that it supports the 4.2 BSD interface
d_oldsock="$undef"
else
echo "You don't have Berkeley networking in libc$_a..." >&4
if test "X$d_socket" = "X$define"; then
echo "...but you seem to believe that you have sockets." >&4
else
for net in net socket
do
if test -f /usr/lib/lib$net$_a; then
( ($nm $nm_opt /usr/lib/lib$net$_a | eval $nm_extract) || \
$ar t /usr/lib/lib$net$_a) 2>/dev/null >> libc.list
if $contains socket libc.list >/dev/null 2>&1; then
d_socket="$define"
socketlib="-l$net"
case "$net" in
net)
echo "...but the Wollongong group seems to have hacked it in." >&4
sockethdr="-I/usr/netinclude"
;;
esac
echo "Found Berkeley sockets interface in lib$net." >& 4
if $contains setsockopt libc.list >/dev/null 2>&1; then
d_oldsock="$undef"
else
echo "...using the old BSD 4.1c interface, rather than 4.2." >&4
d_oldsock="$define"
fi
break
fi
fi
done
if test "X$d_socket" != "X$define"; then
echo "or anywhere else I see." >&4
d_socket="$undef"
d_oldsock="$undef"
fi
fi
fi
fi
: see if socketpair exists
set socketpair d_sockpair
eval $inlibc
echo " "
echo "Checking the availability of certain socket constants..." >& 4
for ENUM in MSG_CTRUNC MSG_DONTROUTE MSG_OOB MSG_PEEK MSG_PROXY SCM_RIGHTS; do
enum=`$echo $ENUM|./tr '[A-Z]' '[a-z]'`
$cat >try.c <<EOF
#include <sys/types.h>
#include <sys/socket.h>
int main() {
int i = $ENUM;
}
EOF
val="$undef"
set try; if eval $compile; then
val="$define"
fi
set d_${enum}; eval $setvar
$rm -f try.c try
done
: see if sys/select.h has to be included
set sys/select.h i_sysselct
eval $inhdr
: see if we should include time.h, sys/time.h, or both
echo " "
if test "X$timeincl" = X; then
echo "Testing to see if we should include <time.h>, <sys/time.h> or both." >&4
$echo $n "I'm now running the test program...$c"
$cat >try.c <<'EOCP'
#include <sys/types.h>
#ifdef I_TIME
#include <time.h>
#endif
#ifdef I_SYSTIME
#ifdef SYSTIMEKERNEL
#define KERNEL
#endif
#include <sys/time.h>
#endif
#ifdef I_SYSSELECT
#include <sys/select.h>
#endif
int main()
{
struct tm foo;
#ifdef S_TIMEVAL
struct timeval bar;
#endif
#ifdef S_TIMEZONE
struct timezone tzp;
#endif
if (foo.tm_sec == foo.tm_sec)
exit(0);
#ifdef S_TIMEVAL
if (bar.tv_sec == bar.tv_sec)
exit(0);
#endif
exit(1);
}
EOCP
flags=''
for s_timezone in '-DS_TIMEZONE' ''; do
sysselect=''
for s_timeval in '-DS_TIMEVAL' ''; do
for i_systimek in '' '-DSYSTIMEKERNEL'; do
for i_time in '' '-DI_TIME'; do
for i_systime in '-DI_SYSTIME' ''; do
case "$flags" in
'') $echo $n ".$c"
set try $i_time $i_systime $i_systimek $sysselect $s_timeval $s_timezone
if eval $compile; then
set X $i_time $i_systime $i_systimek $sysselect $s_timeval
shift
flags="$*"
echo " "
$echo $n "Succeeded with $flags$c"
fi
;;
esac
done
done
done
done
done
timeincl=''
echo " "
case "$flags" in
*SYSTIMEKERNEL*) i_systimek="$define"
timeincl=`./findhdr sys/time.h`
echo "We'll include <sys/time.h> with KERNEL defined." >&4;;
*) i_systimek="$undef";;
esac
case "$flags" in
*I_TIME*) i_time="$define"
timeincl=`./findhdr time.h`" $timeincl"
echo "We'll include <time.h>." >&4;;
*) i_time="$undef";;
esac
case "$flags" in
*I_SYSTIME*) i_systime="$define"
timeincl=`./findhdr sys/time.h`" $timeincl"
echo "We'll include <sys/time.h>." >&4;;
*) i_systime="$undef";;
esac
$rm -f try.c try
fi
: check for fd_set items
$cat <<EOM
Checking to see how well your C compiler handles fd_set and friends ...
EOM
$cat >fd_set.c <<EOCP
#$i_systime I_SYS_TIME
#$i_sysselct I_SYS_SELECT
#$d_socket HAS_SOCKET
#include <sys/types.h>
#ifdef HAS_SOCKET
#include <sys/socket.h> /* Might include <sys/bsdtypes.h> */
#endif
#ifdef I_SYS_TIME
#include <sys/time.h>
#endif
#ifdef I_SYS_SELECT
#include <sys/select.h>
#endif
int main() {
fd_set fds;
#ifdef TRYBITS
if(fds.fds_bits);
#endif
#if defined(FD_SET) && defined(FD_CLR) && defined(FD_ISSET) && defined(FD_ZERO)
exit(0);
#else
exit(1);
#endif
}
EOCP
set fd_set -DTRYBITS
if eval $compile; then
d_fds_bits="$define"
d_fd_set="$define"
echo "Well, your system knows about the normal fd_set typedef..." >&4
if ./fd_set; then
echo "and you have the normal fd_set macros (just as I'd expect)." >&4
d_fd_macros="$define"
else
$cat >&4 <<'EOM'
but not the normal fd_set macros! Gaaack! I'll have to cover for you.
EOM
d_fd_macros="$undef"
fi
else
$cat <<'EOM'
Hmm, your compiler has some difficulty with fd_set. Checking further...
EOM
set fd_set
if eval $compile; then
d_fds_bits="$undef"
d_fd_set="$define"
echo "Well, your system has some sort of fd_set available..." >&4
if ./fd_set; then
echo "and you have the normal fd_set macros." >&4
d_fd_macros="$define"
else
$cat <<'EOM'
but not the normal fd_set macros! Gross! More work for me...
EOM
d_fd_macros="$undef"
fi
else
echo "Well, you got zip. That's OK, I can roll my own fd_set stuff." >&4
d_fd_set="$undef"
d_fds_bits="$undef"
d_fd_macros="$undef"
fi
fi
$rm -f fd_set*
: see if fgetpos exists
set fgetpos d_fgetpos
eval $inlibc
: see if flock exists
set flock d_flock
eval $inlibc
: see if fork exists
set fork d_fork
eval $inlibc
: see if pathconf exists
set pathconf d_pathconf
eval $inlibc
: see if fpathconf exists
set fpathconf d_fpathconf
eval $inlibc
: check for fpos64_t
echo " "
echo "Checking to see if you have fpos64_t..." >&4
$cat >try.c <<EOCP
#include <stdio.h>
int main() { fpos64_t x = 7; }
EOCP
set try
if eval $compile; then
val="$define"
echo "You have fpos64_t."
else
val="$undef"
echo "You do not have fpos64_t."
case "$fpossize" in
8) echo "(Your fpos_t is 64 bits, so you could use that.)" ;;
esac
fi
$rm -f try.* try
set d_fpos64_t
eval $setvar
: see if frexpl exists
set frexpl d_frexpl
eval $inlibc
hasstruct='varname=$1; struct=$2; shift; shift;
while $test $# -ge 2; do
case "$1" in
$define) echo "#include <$2>";;
esac ;
shift 2;
done > try.c;
echo "int main () { struct $struct foo; }" >> try.c;
set try;
if eval $compile; then
val="$define";
else
val="$undef";
fi;
set $varname;
eval $setvar;
$rm -f try.c try.o'
: see if this is a sys/param system
set sys/param.h i_sysparam
eval $inhdr
: see if this is a sys/mount.h system
set sys/mount.h i_sysmount
eval $inhdr
: see if sys/types.h has to be included
set sys/types.h i_systypes
eval $inhdr
echo " "
echo "Checking to see if your system supports struct fs_data..." >&4
set d_fs_data_s fs_data $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h
eval $hasstruct
case "$d_fs_data_s" in
"$define") echo "Yes, it does." ;;
*) echo "No, it doesn't." ;;
esac
: see if fseeko exists
set fseeko d_fseeko
eval $inlibc
case "$longsize" in
8) echo "(Your long is 64 bits, so you could use fseek.)" ;;
esac
: see if fsetpos exists
set fsetpos d_fsetpos
eval $inlibc
: see if fstatfs exists
set fstatfs d_fstatfs
eval $inlibc
: see if statvfs exists
set statvfs d_statvfs
eval $inlibc
: see if fstatvfs exists
set fstatvfs d_fstatvfs
eval $inlibc
: see if ftello exists
set ftello d_ftello
eval $inlibc
case "$longsize" in
8) echo "(Your long is 64 bits, so you could use ftell.)" ;;
esac
: see if getcwd exists
set getcwd d_getcwd
eval $inlibc
: see if getespwnam exists
set getespwnam d_getespwnam
eval $inlibc
: see if getfsstat exists
set getfsstat d_getfsstat
eval $inlibc
: see if getgrent exists
set getgrent d_getgrent
eval $inlibc
: see if gethostbyaddr exists
set gethostbyaddr d_gethbyaddr
eval $inlibc
: see if gethostbyname exists
set gethostbyname d_gethbyname
eval $inlibc
: see if gethostent exists
set gethostent d_gethent
eval $inlibc
: see how we will look up host name
echo " "
call=''
if set gethostname val -f d_gethname; eval $csym; $val; then
echo 'gethostname() found.' >&4
d_gethname="$define"
call=gethostname
fi
if set uname val -f d_uname; eval $csym; $val; then
if ./xenix; then
$cat <<'EOM'
uname() was found, but you're running xenix, and older versions of xenix
have a broken uname(). If you don't really know whether your xenix is old
enough to have a broken system call, use the default answer.
EOM
dflt=y
case "$d_uname" in
"$define") dflt=n;;
esac
rp='Is your uname() broken?'
. ./myread
case "$ans" in
n*) d_uname="$define"; call=uname;;
esac
else
echo 'uname() found.' >&4
d_uname="$define"
case "$call" in
'') call=uname ;;
esac
fi
fi
case "$d_gethname" in
'') d_gethname="$undef";;
esac
case "$d_uname" in
'') d_uname="$undef";;
esac
case "$d_uname$d_gethname" in
*define*)
dflt=n
cat <<EOM
Every now and then someone has a $call() that lies about the hostname
but can't be fixed for political or economic reasons. If you wish, I can
pretend $call() isn't there and maybe compute hostname at run-time
thanks to the '$phostname' command.
EOM
rp="Shall I ignore $call() from now on?"
. ./myread
case "$ans" in
y*) d_uname="$undef" d_gethname="$undef"; $echo $n "Okay...$c";;
esac;;
esac
case "$phostname" in
'') aphostname='';;
*) case "$aphostname" in
/*) ;;
*) set X $phostname
shift
file=$1
shift
file=`./loc $file $file $pth`
aphostname=`echo $file $*`
;;
esac
;;
esac
case "$d_uname$d_gethname" in
*define*) ;;
*)
case "$phostname" in
'')
echo "There will be no way for $package to get your hostname." >&4;;
*)
echo "I'll use 'popen("'"'$aphostname'", "r")'"' to get your hostname." >&4
;;
esac;;
esac
case "$d_phostname" in
'') d_phostname="$undef";;
esac
: see if this is a netdb.h system
set netdb.h i_netdb
eval $inhdr
: see if prototypes for various gethostxxx netdb.h functions are available
echo " "
set d_gethostprotos gethostent $i_netdb netdb.h
eval $hasproto
: see if getlogin exists
set getlogin d_getlogin
eval $inlibc
: see if getmnt exists
set getmnt d_getmnt
eval $inlibc
: see if getmntent exists
set getmntent d_getmntent
eval $inlibc
: see if getnetbyaddr exists
set getnetbyaddr d_getnbyaddr
eval $inlibc
: see if getnetbyname exists
set getnetbyname d_getnbyname
eval $inlibc
: see if getnetent exists
set getnetent d_getnent
eval $inlibc
: see if prototypes for various getnetxxx netdb.h functions are available
echo " "
set d_getnetprotos getnetent $i_netdb netdb.h
eval $hasproto
: see if getprotobyname exists
set getprotobyname d_getpbyname
eval $inlibc
: see if getprotobynumber exists
set getprotobynumber d_getpbynumber
eval $inlibc
: see if getprotoent exists
set getprotoent d_getpent
eval $inlibc
: see if getpgid exists
set getpgid d_getpgid
eval $inlibc
: see if getpgrp2 exists
set getpgrp2 d_getpgrp2
eval $inlibc
: see if getppid exists
set getppid d_getppid
eval $inlibc
: see if getpriority exists
set getpriority d_getprior
eval $inlibc
: see if prototypes for various getprotoxxx netdb.h functions are available
echo " "
set d_getprotoprotos getprotoent $i_netdb netdb.h
eval $hasproto
: see if getprpwnam exists
set getprpwnam d_getprpwnam
eval $inlibc
: see if getpwent exists
set getpwent d_getpwent
eval $inlibc
: see if getservbyname exists
set getservbyname d_getsbyname
eval $inlibc
: see if getservbyport exists
set getservbyport d_getsbyport
eval $inlibc
: see if getservent exists
set getservent d_getsent
eval $inlibc
: see if prototypes for various getservxxx netdb.h functions are available
echo " "
set d_getservprotos getservent $i_netdb netdb.h
eval $hasproto
: see if getspnam exists
set getspnam d_getspnam
eval $inlibc
: see if gettimeofday or ftime exists
set gettimeofday d_gettimeod
eval $inlibc
case "$d_gettimeod" in
"$undef")
set ftime d_ftime
eval $inlibc
;;
*)
val="$undef"; set d_ftime; eval $setvar
;;
esac
case "$d_gettimeod$d_ftime" in
"$undef$undef")
echo " "
echo 'No ftime() nor gettimeofday() -- timing may be less accurate.' >&4
;;
esac
: see if this is an grp system
set grp.h i_grp
eval $inhdr
case "$i_grp" in
$define)
xxx=`./findhdr grp.h`
$cppstdin $cppflags $cppminus < $xxx >$$.h
if $contains 'gr_passwd' $$.h >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
set d_grpasswd
eval $setvar
$rm -f $$.h
;;
*)
val="$undef";
set d_grpasswd; eval $setvar
;;
esac
: see if hasmntopt exists
set hasmntopt d_hasmntopt
eval $inlibc
: see if this is a netinet/in.h or sys/in.h system
set netinet/in.h i_niin sys/in.h i_sysin
eval $inhdr
: see if arpa/inet.h has to be included
set arpa/inet.h i_arpainet
eval $inhdr
: see if htonl --and friends-- exists
val=''
set htonl val
eval $inlibc
: Maybe they are macros.
case "$val" in
$undef)
$cat >htonl.c <<EOM
#include <stdio.h>
#include <sys/types.h>
#$i_niin I_NETINET_IN
#$i_sysin I_SYS_IN
#$i_arpainet I_ARPA_INET
#ifdef I_NETINET_IN
#include <netinet/in.h>
#endif
#ifdef I_SYS_IN
#include <sys/in.h>
#endif
#ifdef I_ARPA_INET
#include <arpa/inet.h>
#endif
#ifdef htonl
printf("Defined as a macro.");
#endif
EOM
$cppstdin $cppflags $cppminus < htonl.c >htonl.E 2>/dev/null
if $contains 'Defined as a macro' htonl.E >/dev/null 2>&1; then
val="$define"
echo "But it seems to be defined as a macro." >&4
fi
$rm -f htonl.?
;;
esac
set d_htonl
eval $setvar
: see if iconv exists
set iconv d_iconv
eval $inlibc
: index or strchr
echo " "
if set index val -f; eval $csym; $val; then
if set strchr val -f d_strchr; eval $csym; $val; then
if $contains strchr "$strings" >/dev/null 2>&1 ; then
val="$define"
vali="$undef"
echo "strchr() found." >&4
else
val="$undef"
vali="$define"
echo "index() found." >&4
fi
else
val="$undef"
vali="$define"
echo "index() found." >&4
fi
else
if set strchr val -f d_strchr; eval $csym; $val; then
val="$define"
vali="$undef"
echo "strchr() found." >&4
else
echo "No index() or strchr() found!" >&4
val="$undef"
vali="$undef"
fi
fi
set d_strchr; eval $setvar
val="$vali"
set d_index; eval $setvar
: check whether inet_aton exists
set inet_aton d_inetaton
eval $inlibc
: see if inttypes.h is available
: we want a real compile instead of Inhdr because some systems
: have an inttypes.h which includes non-existent headers
echo " "
$cat >try.c <<EOCP
#include <inttypes.h>
int main() {
static int32_t foo32 = 0x12345678;
}
EOCP
set try
if eval $compile; then
echo "<inttypes.h> found." >&4
val="$define"
else
echo "<inttypes.h> NOT found." >&4
val="$undef"
fi
$rm -f try.c try
set i_inttypes
eval $setvar
: check for int64_t
echo " "
echo "Checking to see if you have int64_t..." >&4
$cat >try.c <<EOCP
#include <sys/types.h>
#$i_inttypes I_INTTYPES
#ifdef I_INTTYPES
#include <inttypes.h>
#endif
int main() { int64_t x = 7; }
EOCP
set try
if eval $compile; then
val="$define"
echo "You have int64_t."
else
val="$undef"
echo "You do not have int64_t."
fi
$rm -f try try.*
set d_int64_t
eval $setvar
: Look for isascii
echo " "
$cat >isascii.c <<'EOCP'
#include <stdio.h>
#include <ctype.h>
int main() {
int c = 'A';
if (isascii(c))
exit(0);
else
exit(1);
}
EOCP
set isascii
if eval $compile; then
echo "isascii() found." >&4
val="$define"
else
echo "isascii() NOT found." >&4
val="$undef"
fi
set d_isascii
eval $setvar
$rm -f isascii*
: see if isnan exists
set isnan d_isnan
eval $inlibc
: see if isnanl exists
set isnanl d_isnanl
eval $inlibc
: see if killpg exists
set killpg d_killpg
eval $inlibc
: see if lchown exists
echo " "
$cat > try.c <<'EOCP'
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char lchown(); below. */
#include <assert.h>
/* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char lchown();
int main() {
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined (__stub_lchown) || defined (__stub___lchown)
choke me
#else
lchown();
#endif
; return 0; }
EOCP
set try
if eval $compile; then
$echo "lchown() found." >&4
val="$define"
else
$echo "lchown() NOT found." >&4
val="$undef"
fi
set d_lchown
eval $setvar
: See if number of significant digits in a double precision number is known
echo " "
$cat >ldbl_dig.c <<EOM
#$i_limits I_LIMITS
#$i_float I_FLOAT
#ifdef I_LIMITS
#include <limits.h>
#endif
#ifdef I_FLOAT
#include <float.h>
#endif
#ifdef LDBL_DIG
printf("Contains LDBL_DIG");
#endif
EOM
$cppstdin $cppflags $cppminus < ldbl_dig.c >ldbl_dig.E 2>/dev/null
if $contains 'LDBL_DIG' ldbl_dig.E >/dev/null 2>&1; then
echo "LDBL_DIG found." >&4
val="$define"
else
echo "LDBL_DIG NOT found." >&4
val="$undef"
fi
$rm -f ldbl_dig.?
set d_ldbl_dig
eval $setvar
: see if link exists
set link d_link
eval $inlibc
: see if localeconv exists
set localeconv d_locconv
eval $inlibc
: see if lockf exists
set lockf d_lockf
eval $inlibc
: check for long long
echo " "
echo "Checking to see if you have long long..." >&4
echo 'int main() { long long x = 7; return 0; }' > try.c
set try
if eval $compile; then
val="$define"
echo "You have long long."
else
val="$undef"
echo "You do not have long long."
fi
$rm try.*
set d_longlong
eval $setvar
: check for length of long long
case "${d_longlong}${longlongsize}" in
$define)
echo " "
echo "Checking to see how big your long longs are..." >&4
$cat >try.c <<'EOCP'
#include <stdio.h>
int main()
{
printf("%d\n", (int)sizeof(long long));
return(0);
}
EOCP
set try
if eval $compile_ok; then
longlongsize=`./try$exe_ext`
echo "Your long longs are $longlongsize bytes long."
else
dflt='8'
echo " "
echo "(I can't seem to compile the test program. Guessing...)"
rp="What is the size of a long long (in bytes)?"
. ./myread
longlongsize="$ans"
fi
if $test "X$longsize" = "X$longlongsize"; then
echo "(That isn't any different from an ordinary long.)"
fi
;;
esac
$rm -f try.* try
: see if prototype for lseek is available
echo " "
set d_lseekproto lseek $i_systypes sys/types.h $i_unistd unistd.h
eval $hasproto
: see if lstat exists
set lstat d_lstat
eval $inlibc
: see if madvise exists
set madvise d_madvise
eval $inlibc
: see if mblen exists
set mblen d_mblen
eval $inlibc
: see if mbstowcs exists
set mbstowcs d_mbstowcs
eval $inlibc
: see if mbtowc exists
set mbtowc d_mbtowc
eval $inlibc
: see if memchr exists
set memchr d_memchr
eval $inlibc
: see if memcmp exists
set memcmp d_memcmp
eval $inlibc
: see if memcpy exists
set memcpy d_memcpy
eval $inlibc
: see if memmove exists
set memmove d_memmove
eval $inlibc
: see if memset exists
set memset d_memset
eval $inlibc
: see if mkdir exists
set mkdir d_mkdir
eval $inlibc
: see if mkdtemp exists
set mkdtemp d_mkdtemp
eval $inlibc
: see if mkfifo exists
set mkfifo d_mkfifo
eval $inlibc
: see if mkstemp exists
set mkstemp d_mkstemp
eval $inlibc
: see if mkstemps exists
set mkstemps d_mkstemps
eval $inlibc
: see if mktime exists
set mktime d_mktime
eval $inlibc
: see if this is a sys/mman.h system
set sys/mman.h i_sysmman
eval $inhdr
: see if mmap exists
set mmap d_mmap
eval $inlibc
: see what shmat returns
: default to something harmless
mmaptype='void *'
case "$i_sysmman$d_mmap" in
"$define$define")
$cat >mmap.c <<'END'
#include <sys/mman.h>
void *mmap();
END
if $cc $ccflags -c mmap.c >/dev/null 2>&1; then
mmaptype='void *'
else
mmaptype='caddr_t'
fi
echo "and it returns ($mmaptype)." >&4
;;
esac
: see if modfl exists
set modfl d_modfl
eval $inlibc
: see if mprotect exists
set mprotect d_mprotect
eval $inlibc
: see if msgctl exists
set msgctl d_msgctl
eval $inlibc
: see if msgget exists
set msgget d_msgget
eval $inlibc
: see if msgsnd exists
set msgsnd d_msgsnd
eval $inlibc
: see if msgrcv exists
set msgrcv d_msgrcv
eval $inlibc
: see how much of the 'msg*(2)' library is present.
h_msg=true
echo " "
case "$d_msgctl$d_msgget$d_msgsnd$d_msgrcv" in
*"$undef"*) h_msg=false;;
esac
case "$osname" in
freebsd)
case "`ipcs 2>&1`" in
"SVID messages"*"not configured"*)
echo "Your $osname does not have the msg*(2) configured." >&4
h_msg=false
val="$undef"
set msgctl d_msgctl
eval $setvar
set msgget d_msgget
eval $setvar
set msgsnd d_msgsnd
eval $setvar
set msgrcv d_msgrcv
eval $setvar
;;
esac
;;
esac
: we could also check for sys/ipc.h ...
if $h_msg && $test `./findhdr sys/msg.h`; then
echo "You have the full msg*(2) library." >&4
val="$define"
else
echo "You don't have the full msg*(2) library." >&4
val="$undef"
fi
set d_msg
eval $setvar
: see if msync exists
set msync d_msync
eval $inlibc
: see if munmap exists
set munmap d_munmap
eval $inlibc
: see if nice exists
set nice d_nice
eval $inlibc
echo " "
echo "Checking which 64-bit integer type we could use..." >&4
case "$intsize" in
8) val=int
set quadtype
eval $setvar
val='"unsigned int"'
set uquadtype
eval $setvar
quadkind=1
;;
*) case "$longsize" in
8) val=long
set quadtype
eval $setvar
val='"unsigned long"'
set uquadtype
eval $setvar
quadkind=2
;;
*) case "$d_longlong:$longlongsize" in
define:8)
val='"long long"'
set quadtype
eval $setvar
val='"unsigned long long"'
set uquadtype
eval $setvar
quadkind=3
;;
*) case "$d_int64_t" in
define)
val=int64_t
set quadtype
eval $setvar
val=uint64_t
set uquadtype
eval $setvar
quadkind=4
;;
esac
;;
esac
;;
esac
;;
esac
case "$quadtype" in
'') echo "Alas, no 64-bit integer types in sight." >&4
d_quad="$undef"
;;
*) if test X"$use64bitint" = Xdefine -o X"$longsize" = X8; then
verb="will"
else
verb="could"
fi
echo "We $verb use '$quadtype' for 64-bit integers." >&4
d_quad="$define"
;;
esac
: check for length of character
echo " "
case "$charsize" in
'')
echo "Checking to see how big your characters are (hey, you never know)..." >&4
$cat >try.c <<'EOCP'
#include <stdio.h>
int main()
{
printf("%d\n", (int)sizeof(char));
exit(0);
}
EOCP
set try
if eval $compile_ok; then
dflt=`./try`
else
dflt='1'
echo "(I can't seem to compile the test program. Guessing...)"
fi
;;
*)
dflt="$charsize"
;;
esac
rp="What is the size of a character (in bytes)?"
. ./myread
charsize="$ans"
$rm -f try.c try
echo " "
$echo "Choosing the C types to be used for Perl's internal types..." >&4
case "$use64bitint:$d_quad:$quadtype" in
define:define:?*)
ivtype="$quadtype"
uvtype="$uquadtype"
ivsize=8
uvsize=8
;;
*) ivtype="long"
uvtype="unsigned long"
ivsize=$longsize
uvsize=$longsize
;;
esac
case "$uselongdouble:$d_longdbl" in
define:define)
nvtype="long double"
nvsize=$longdblsize
;;
*) nvtype=double
nvsize=$doublesize
;;
esac
$echo "(IV will be "$ivtype", $ivsize bytes)"
$echo "(UV will be "$uvtype", $uvsize bytes)"
$echo "(NV will be "$nvtype", $nvsize bytes)"
$cat >try.c <<EOCP
#$i_inttypes I_INTTYPES
#ifdef I_INTTYPES
#include <inttypes.h>
#endif
#include <stdio.h>
int main() {
#ifdef INT8
int8_t i = INT8_MAX;
uint8_t u = UINT8_MAX;
printf("int8_t\n");
#endif
#ifdef INT16
int16_t i = INT16_MAX;
uint16_t i = UINT16_MAX;
printf("int16_t\n");
#endif
#ifdef INT32
int32_t i = INT32_MAX;
uint32_t u = UINT32_MAX;
printf("int32_t\n");
#endif
}
EOCP
case "$i8type" in
'') case "$charsize" in
1) i8type=char
u8type="unsigned char"
i8size=$charsize
u8size=$charsize
;;
esac
;;
esac
case "$i8type" in
'') set try -DINT8
if eval $compile; then
case "`./try$exe_ext`" in
int8_t) i8type=int8_t
u8type=uint8_t
i8size=1
u8size=1
;;
esac
fi
;;
esac
case "$i8type" in
'') if $test $charsize -ge 1; then
i8type=char
u8type="unsigned char"
i8size=$charsize
u8size=$charsize
fi
;;
esac
case "$i16type" in
'') case "$shortsize" in
2) i16type=short
u16type="unsigned short"
i16size=$shortsize
u16size=$shortsize
;;
esac
;;
esac
case "$i16type" in
'') set try -DINT16
if eval $compile; then
case "`./try$exe_ext`" in
int16_t)
i16type=int16_t
u16type=uint16_t
i16size=2
u16size=2
;;
esac
fi
;;
esac
case "$i16type" in
'') if $test $shortsize -ge 2; then
i16type=short
u16type="unsigned short"
i16size=$shortsize
u16size=$shortsize
fi
;;
esac
case "$i32type" in
'') case "$longsize" in
4) i32type=long
u32type="unsigned long"
i32size=$longsize
u32size=$longsize
;;
*) case "$intsize" in
4) i32type=int
u32type="unsigned int"
i32size=$intsize
u32size=$intsize
;;
esac
;;
esac
;;
esac
case "$i32type" in
'') set try -DINT32
if eval $compile; then
case "`./try$exe_ext`" in
int32_t)
i32type=int32_t
u32type=uint32_t
i32size=4
u32size=4
;;
esac
fi
;;
esac
case "$i32type" in
'') if $test $intsize -ge 4; then
i32type=int
u32type="unsigned int"
i32size=$intsize
u32size=$intsize
fi
;;
esac
case "$i64type" in
'') case "$d_quad:$quadtype" in
define:?*)
i64type="$quadtype"
u64type="$uquadtype"
i64size=8
u64size=8
;;
esac
;;
esac
$echo "Checking whether your NVs can preserve your UVs..." >&4
$cat <<EOP >try.c
#include <stdio.h>
int main() {
$uvtype k = ($uvtype)~0, l;
$nvtype d;
l = k;
d = ($nvtype)l;
l = ($uvtype)d;
if (l == k)
printf("preserve\n");
exit(0);
}
EOP
set try
if eval $compile; then
case "`./try$exe_ext`" in
preserve) d_nv_preserves_uv="$define" ;;
esac
fi
case "$d_nv_preserves_uv" in
$define) $echo "Yes, they can." 2>&1 ;;
*) $echo "No, they can't." 2>&1
d_nv_preserves_uv="$undef"
;;
esac
$rm -f try.* try
case "$d_nv_preserves_uv" in
"$define") d_nv_preserves_uv_bits=`expr $uvsize \* 8` ;;
*) $echo "Checking how many bits of your UVs your NVs can preserve..." >&4
$cat <<EOP >try.c
#include <stdio.h>
int main() {
$uvtype u = 0;
int n = 8 * $uvsize;
int i;
for (i = 0; i < n; i++) {
u = u << 1 | ($uvtype)1;
if (($uvtype)($nvtype)u != u)
break;
}
printf("%d\n", i);
exit(0);
}
EOP
set try
if eval $compile; then
d_nv_preserves_uv_bits="`./try$exe_ext`"
fi
case "$d_nv_preserves_uv_bits" in
[1-9]*) $echo "Your NVs can preserve $d_nv_preserves_uv_bits bits of your UVs." 2>&1 ;;
*) $echo "Can't figure out how many bits your NVs preserve." 2>&1
d_nv_preserves_uv_bits="$undef"
;;
esac
$rm -f try.* try
;;
esac
: check for off64_t
echo " "
echo "Checking to see if you have off64_t..." >&4
$cat >try.c <<EOCP
#include <sys/types.h>
#include <unistd.h>
int main() { off64_t x = 7; }
EOCP
set try
if eval $compile; then
val="$define"
echo "You have off64_t."
else
val="$undef"
echo "You do not have off64_t."
case "$lseeksize" in
8) echo "(Your off_t is 64 bits, so you could use that.)" ;;
esac
fi
$rm -f try.* try
set d_off64_t
eval $setvar
: see if POSIX threads are available
set pthread.h i_pthread
eval $inhdr
: how to create joinable pthreads
if test "X$usethreads" = "X$define" -a "X$i_pthread" = "X$define"; then
echo " "
echo "Checking what constant to use for creating joinable pthreads..." >&4
$cat >try.c <<'EOCP'
#include <pthread.h>
int main() {
int detachstate = JOINABLE;
}
EOCP
set try -DJOINABLE=PTHREAD_CREATE_JOINABLE
if eval $compile; then
echo "You seem to use PTHREAD_CREATE_JOINABLE." >&4
val="$undef" # Yes, undef.
set d_old_pthread_create_joinable
eval $setvar
val=""
set old_pthread_create_joinable
eval $setvar
else
set try -DJOINABLE=PTHREAD_CREATE_UNDETACHED
if eval $compile; then
echo "You seem to use PTHREAD_CREATE_UNDETACHED." >&4
val="$define"
set d_old_pthread_create_joinable
eval $setvar
val=PTHREAD_CREATE_UNDETACHED
set old_pthread_create_joinable
eval $setvar
else
set try -DJOINABLE=__UNDETACHED
if eval $compile; then
echo "You seem to use __UNDETACHED." >&4
val="$define"
set d_old_pthread_create_joinable
eval $setvar
val=__UNDETACHED
set old_pthread_create_joinable
eval $setvar
else
echo "Egads, nothing obvious found. Guessing that you use 0." >&4
val="$define"
set d_old_pthread_create_joinable
eval $setvar
val=0
set old_pthread_create_joinable
eval $setvar
fi
fi
fi
$rm -f try try.*
else
d_old_pthread_create_joinable="$undef"
old_pthread_create_joinable=""
fi
: see if pause exists
set pause d_pause
eval $inlibc
: see if pipe exists
set pipe d_pipe
eval $inlibc
: see if poll exists
set poll d_poll
eval $inlibc
: see whether the various POSIXish _yields exist
$cat >try.c <<EOP
#include <pthread.h>
#include <stdio.h>
int main() {
#ifdef SCHED_YIELD
sched_yield();
#else
#ifdef PTHREAD_YIELD
pthread_yield();
#else
#ifdef PTHREAD_YIELD_NULL
pthread_yield(NULL);
#endif
#endif
#endif
}
EOP
: see if sched_yield exists
set try -DSCHED_YIELD
if eval $compile; then
val="$define"
sched_yield='sched_yield()'
else
val="$undef"
fi
case "$usethreads" in
$define)
case "$val" in
$define) echo 'sched_yield() found.' >&4 ;;
*) echo 'sched_yield() NOT found.' >&4 ;;
esac
esac
set d_sched_yield
eval $setvar
: see if pthread_yield exists
set try -DPTHREAD_YIELD
if eval $compile; then
val="$define"
case "$sched_yield" in
'') sched_yield='pthread_yield()' ;;
esac
else
set try -DPTHREAD_YIELD_NULL
if eval $compile; then
val="$define"
case "$sched_yield" in
'') sched_yield='pthread_yield(NULL)' ;;
esac
else
val="$undef"
fi
fi
case "$usethreads" in
$define)
case "$val" in
$define) echo 'pthread_yield() found.' >&4 ;;
*) echo 'pthread_yield() NOT found.' >&4 ;;
esac
;;
esac
set d_pthread_yield
eval $setvar
case "$sched_yield" in
'') sched_yield=undef ;;
esac
$rm -f try try.*
: see if this is a pwd.h system
set pwd.h i_pwd
eval $inhdr
case "$i_pwd" in
$define)
xxx=`./findhdr pwd.h`
$cppstdin $cppflags $cppminus < $xxx >$$.h
if $contains 'pw_quota' $$.h >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
set d_pwquota
eval $setvar
if $contains 'pw_age' $$.h >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
set d_pwage
eval $setvar
if $contains 'pw_change' $$.h >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
set d_pwchange
eval $setvar
if $contains 'pw_class' $$.h >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
set d_pwclass
eval $setvar
if $contains 'pw_expire' $$.h >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
set d_pwexpire
eval $setvar
if $contains 'pw_comment' $$.h >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
set d_pwcomment
eval $setvar
if $contains 'pw_gecos' $$.h >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
set d_pwgecos
eval $setvar
if $contains 'pw_passwd' $$.h >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
set d_pwpasswd
eval $setvar
$rm -f $$.h
;;
*)
val="$undef";
set d_pwquota; eval $setvar
set d_pwage; eval $setvar
set d_pwchange; eval $setvar
set d_pwclass; eval $setvar
set d_pwexpire; eval $setvar
set d_pwcomment; eval $setvar
set d_pwgecos; eval $setvar
set d_pwpasswd; eval $setvar
;;
esac
: see if readdir and friends exist
set readdir d_readdir
eval $inlibc
set seekdir d_seekdir
eval $inlibc
set telldir d_telldir
eval $inlibc
set rewinddir d_rewinddir
eval $inlibc
: see if readlink exists
set readlink d_readlink
eval $inlibc
: see if rename exists
set rename d_rename
eval $inlibc
: see if rmdir exists
set rmdir d_rmdir
eval $inlibc
: see if memory.h is available.
val=''
set memory.h val
eval $inhdr
: See if it conflicts with string.h
case "$val" in
$define)
case "$strings" in
'') ;;
*)
$cppstdin $cppflags $cppminus < $strings > mem.h
if $contains 'memcpy' mem.h >/dev/null 2>&1; then
echo " "
echo "We won't be including <memory.h>."
val="$undef"
fi
$rm -f mem.h
;;
esac
esac
set i_memory
eval $setvar
: can bcopy handle overlapping blocks?
val="$undef"
case "$d_bcopy" in
"$define")
echo " "
echo "Checking to see if your bcopy() can do overlapping copies..." >&4
$cat >try.c <<EOCP
#$i_memory I_MEMORY
#$i_stdlib I_STDLIB
#$i_string I_STRING
#$i_unistd I_UNISTD
EOCP
$cat >>try.c <<'EOCP'
#include <stdio.h>
#ifdef I_MEMORY
# include <memory.h>
#endif
#ifdef I_STDLIB
# include <stdlib.h>
#endif
#ifdef I_STRING
# include <string.h>
#else
# include <strings.h>
#endif
#ifdef I_UNISTD
# include <unistd.h> /* Needed for NetBSD */
#endif
int main()
{
char buf[128], abc[128];
char *b;
int len;
int off;
int align;
bcopy("abcdefghijklmnopqrstuvwxyz0123456789", abc, 36);
for (align = 7; align >= 0; align--) {
for (len = 36; len; len--) {
b = buf+align;
bcopy(abc, b, len);
for (off = 1; off <= len; off++) {
bcopy(b, b+off, len);
bcopy(b+off, b, len);
if (bcmp(b, abc, len))
exit(1);
}
}
}
exit(0);
}
EOCP
set try
if eval $compile_ok; then
if ./try 2>/dev/null; then
echo "Yes, it can."
val="$define"
else
echo "It can't, sorry."
case "$d_memmove" in
"$define") echo "But that's Ok since you have memmove()." ;;
esac
fi
else
echo "(I can't compile the test program, so we'll assume not...)"
case "$d_memmove" in
"$define") echo "But that's Ok since you have memmove()." ;;
esac
fi
;;
esac
$rm -f try.* try core
set d_safebcpy
eval $setvar
: can memcpy handle overlapping blocks?
val="$undef"
case "$d_memcpy" in
"$define")
echo " "
echo "Checking to see if your memcpy() can do overlapping copies..." >&4
$cat >try.c <<EOCP
#$i_memory I_MEMORY
#$i_stdlib I_STDLIB
#$i_string I_STRING
#$i_unistd I_UNISTD
EOCP
$cat >>try.c <<'EOCP'
#include <stdio.h>
#ifdef I_MEMORY
# include <memory.h>
#endif
#ifdef I_STDLIB
# include <stdlib.h>
#endif
#ifdef I_STRING
# include <string.h>
#else
# include <strings.h>
#endif
#ifdef I_UNISTD
# include <unistd.h> /* Needed for NetBSD */
#endif
int main()
{
char buf[128], abc[128];
char *b;
int len;
int off;
int align;
/* Copy "abcde..." string to char abc[] so that gcc doesn't
try to store the string in read-only memory. */
memcpy(abc, "abcdefghijklmnopqrstuvwxyz0123456789", 36);
for (align = 7; align >= 0; align--) {
for (len = 36; len; len--) {
b = buf+align;
memcpy(b, abc, len);
for (off = 1; off <= len; off++) {
memcpy(b+off, b, len);
memcpy(b, b+off, len);
if (memcmp(b, abc, len))
exit(1);
}
}
}
exit(0);
}
EOCP
set try
if eval $compile_ok; then
if ./try 2>/dev/null; then
echo "Yes, it can."
val="$define"
else
echo "It can't, sorry."
case "$d_memmove" in
"$define") echo "But that's Ok since you have memmove()." ;;
esac
fi
else
echo "(I can't compile the test program, so we'll assume not...)"
case "$d_memmove" in
"$define") echo "But that's Ok since you have memmove()." ;;
esac
fi
;;
esac
$rm -f try.* try core
set d_safemcpy
eval $setvar
: can memcmp be trusted to compare relative magnitude?
val="$undef"
case "$d_memcmp" in
"$define")
echo " "
echo "Checking if your memcmp() can compare relative magnitude..." >&4
$cat >try.c <<EOCP
#$i_memory I_MEMORY
#$i_stdlib I_STDLIB
#$i_string I_STRING
#$i_unistd I_UNISTD
EOCP
$cat >>try.c <<'EOCP'
#include <stdio.h>
#ifdef I_MEMORY
# include <memory.h>
#endif
#ifdef I_STDLIB
# include <stdlib.h>
#endif
#ifdef I_STRING
# include <string.h>
#else
# include <strings.h>
#endif
#ifdef I_UNISTD
# include <unistd.h> /* Needed for NetBSD */
#endif
int main()
{
char a = -1;
char b = 0;
if ((a < b) && memcmp(&a, &b, 1) < 0)
exit(1);
exit(0);
}
EOCP
set try
if eval $compile_ok; then
if ./try 2>/dev/null; then
echo "Yes, it can."
val="$define"
else
echo "No, it can't (it uses signed chars)."
fi
else
echo "(I can't compile the test program, so we'll assume not...)"
fi
;;
esac
$rm -f try.* try core
set d_sanemcmp
eval $setvar
: see if select exists
set select d_select
eval $inlibc
: see if semctl exists
set semctl d_semctl
eval $inlibc
: see if semget exists
set semget d_semget
eval $inlibc
: see if semop exists
set semop d_semop
eval $inlibc
: see how much of the 'sem*(2)' library is present.
h_sem=true
echo " "
case "$d_semctl$d_semget$d_semop" in
*"$undef"*) h_sem=false;;
esac
case "$osname" in
freebsd)
case "`ipcs 2>&1`" in
"SVID messages"*"not configured"*)
echo "Your $osname does not have the sem*(2) configured." >&4
h_sem=false
val="$undef"
set semctl d_semctl
eval $setvar
set semget d_semget
eval $setvar
set semop d_semop
eval $setvar
;;
esac
;;
esac
: we could also check for sys/ipc.h ...
if $h_sem && $test `./findhdr sys/sem.h`; then
echo "You have the full sem*(2) library." >&4
val="$define"
else
echo "You don't have the full sem*(2) library." >&4
val="$undef"
fi
set d_sem
eval $setvar
: see whether sys/sem.h defines union semun
echo " "
$cat > try.c <<'END'
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>
int main () { union semun semun; semun.buf = 0; }
END
set try
if eval $compile; then
echo "You have union semun in <sys/sem.h>." >&4
val="$define"
else
echo "You do not have union semun in <sys/sem.h>." >&4
val="$undef"
fi
$rm -f try try.c try.h
set d_union_semun
eval $setvar
: see how to do semctl IPC_STAT
case "$d_sem" in
$define)
: see whether semctl IPC_STAT can use union semun
echo " "
$cat > try.h <<END
#ifndef S_IRUSR
# ifdef S_IREAD
# define S_IRUSR S_IREAD
# define S_IWUSR S_IWRITE
# define S_IXUSR S_IEXEC
# else
# define S_IRUSR 0400
# define S_IWUSR 0200
# define S_IXUSR 0100
# endif
# define S_IRGRP (S_IRUSR>>3)
# define S_IWGRP (S_IWUSR>>3)
# define S_IXGRP (S_IXUSR>>3)
# define S_IROTH (S_IRUSR>>6)
# define S_IWOTH (S_IWUSR>>6)
# define S_IXOTH (S_IXUSR>>6)
#endif
#ifndef S_IRWXU
# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
#endif
END
$cat > try.c <<END
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>
#include <sys/stat.h>
#include <stdio.h>
#include <errno.h>
#include "try.h"
#ifndef errno
extern int errno;
#endif
#$d_union_semun HAS_UNION_SEMUN
int main() {
union semun
#ifndef HAS_UNION_SEMUN
{
int val;
struct semid_ds *buf;
unsigned short *array;
}
#endif
arg;
int sem, st;
#if defined(IPC_PRIVATE) && defined(S_IRWXU) && defined(S_IRWXG) && defined(S_IRWXO) && defined(IPC_CREAT)
sem = semget(IPC_PRIVATE, 1, S_IRWXU|S_IRWXG|S_IRWXO|IPC_CREAT);
if (sem > -1) {
struct semid_ds argbuf;
arg.buf = &argbuf;
# ifdef IPC_STAT
st = semctl(sem, 0, IPC_STAT, arg);
if (st == 0)
printf("semun\n");
else
# endif /* IPC_STAT */
printf("semctl IPC_STAT failed: errno = %d\n", errno);
# ifdef IPC_RMID
if (semctl(sem, 0, IPC_RMID, arg) != 0)
# endif /* IPC_RMID */
printf("semctl IPC_RMID failed: errno = %d\n", errno);
} else
#endif /* IPC_PRIVATE && ... */
printf("semget failed: errno = %d\n", errno);
return 0;
}
END
val="$undef"
set try
if eval $compile; then
xxx=`./try`
case "$xxx" in
semun) val="$define" ;;
esac
fi
$rm -f try try.c
set d_semctl_semun
eval $setvar
case "$d_semctl_semun" in
$define)
echo "You can use union semun for semctl IPC_STAT." >&4
also='also'
;;
*) echo "You cannot use union semun for semctl IPC_STAT." >&4
also=''
;;
esac
: see whether semctl IPC_STAT can use struct semid_ds pointer
$cat > try.c <<'END'
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>
#include <sys/stat.h>
#include "try.h"
#include <stdio.h>
#include <errno.h>
#ifndef errno
extern int errno;
#endif
int main() {
struct semid_ds arg;
int sem, st;
#if defined(IPC_PRIVATE) && defined(S_IRWXU) && defined(S_IRWXG) && defined(S_IRWXO) && defined(IPC_CREAT)
sem = semget(IPC_PRIVATE, 1, S_IRWXU|S_IRWXG|S_IRWXO|IPC_CREAT);
if (sem > -1) {
# ifdef IPC_STAT
st = semctl(sem, 0, IPC_STAT, &arg);
if (st == 0)
printf("semid_ds\n");
else
# endif /* IPC_STAT */
printf("semctl IPC_STAT failed: errno = %d\n", errno);
# ifdef IPC_RMID
if (semctl(sem, 0, IPC_RMID, &arg) != 0)
# endif /* IPC_RMID */
printf("semctl IPC_RMID failed: errno = %d\n", errno);
} else
#endif /* IPC_PRIVATE && ... */
printf("semget failed: errno = %d\n", errno);
return 0;
}
END
val="$undef"
set try
if eval $compile; then
xxx=`./try`
case "$xxx" in
semid_ds) val="$define" ;;
esac
fi
$rm -f try try.c
set d_semctl_semid_ds
eval $setvar
case "$d_semctl_semid_ds" in
$define)
echo "You can $also use struct semid_ds* for semctl IPC_STAT." >&4
;;
*) echo "You cannot use struct semid_ds* for semctl IPC_STAT." >&4
;;
esac
$rm -f try.h
;;
*) val="$undef"
# We do not have the full sem*(2) library, so assume we can not
# use either.
set d_semctl_semun
eval $setvar
set d_semctl_semid_ds
eval $setvar
;;
esac
: see if setegid exists
set setegid d_setegid
eval $inlibc
: see if seteuid exists
set seteuid d_seteuid
eval $inlibc
: see if setgrent exists
set setgrent d_setgrent
eval $inlibc
: see if sethostent exists
set sethostent d_sethent
eval $inlibc
: see if setlinebuf exists
set setlinebuf d_setlinebuf
eval $inlibc
: see if setlocale exists
set setlocale d_setlocale
eval $inlibc
: see if setnetent exists
set setnetent d_setnent
eval $inlibc
: see if setprotoent exists
set setprotoent d_setpent
eval $inlibc
: see if setpgid exists
set setpgid d_setpgid
eval $inlibc
: see if setpgrp2 exists
set setpgrp2 d_setpgrp2
eval $inlibc
: see if setpriority exists
set setpriority d_setprior
eval $inlibc
: see if setpwent exists
set setpwent d_setpwent
eval $inlibc
: see if setregid exists
set setregid d_setregid
eval $inlibc
set setresgid d_setresgid
eval $inlibc
: see if setreuid exists
set setreuid d_setreuid
eval $inlibc
set setresuid d_setresuid
eval $inlibc
: see if setrgid exists
set setrgid d_setrgid
eval $inlibc
: see if setruid exists
set setruid d_setruid
eval $inlibc
: see if setservent exists
set setservent d_setsent
eval $inlibc
: see if setsid exists
set setsid d_setsid
eval $inlibc
: see if setvbuf exists
set setvbuf d_setvbuf
eval $inlibc
: see if sfio.h is available
set sfio.h i_sfio
eval $inhdr
: see if sfio library is available
case "$i_sfio" in
$define)
val=''
set sfreserve val
eval $inlibc
;;
*)
val="$undef"
;;
esac
: Ok, but do we want to use it.
case "$val" in
$define)
case "$usesfio" in
true|$define|[yY]*) dflt='y';;
*) dflt='n';;
esac
echo "$package can use the sfio library, but it is experimental."
rp="You seem to have sfio available, do you want to try using it?"
. ./myread
case "$ans" in
y|Y) ;;
*) echo "Ok, avoiding sfio this time. I'll use stdio instead."
val="$undef"
: Remove sfio from list of libraries to use
set `echo X $libs | $sed -e 's/-lsfio / /' -e 's/-lsfio$//'`
shift
libs="$*"
echo "libs = $libs" >&4
;;
esac
;;
*) case "$usesfio" in
true|$define|[yY]*)
echo "Sorry, cannot find sfio on this machine" >&4
echo "Ignoring your setting of usesfio=$usesfio" >&4
;;
esac
;;
esac
set d_sfio
eval $setvar
case "$d_sfio" in
$define) usesfio='true';;
*) usesfio='false';;
esac
: see if shmctl exists
set shmctl d_shmctl
eval $inlibc
: see if shmget exists
set shmget d_shmget
eval $inlibc
: see if shmat exists
set shmat d_shmat
eval $inlibc
: see what shmat returns
case "$d_shmat" in
"$define")
$cat >shmat.c <<'END'
#include <sys/shm.h>
void *shmat();
END
if $cc $ccflags -c shmat.c >/dev/null 2>&1; then
shmattype='void *'
else
shmattype='char *'
fi
echo "and it returns ($shmattype)." >&4
: see if a prototype for shmat is available
xxx=`./findhdr sys/shm.h`
$cppstdin $cppflags $cppminus < $xxx > shmat.c 2>/dev/null
if $contains 'shmat.*(' shmat.c >/dev/null 2>&1; then
val="$define"
else
val="$undef"
fi
$rm -f shmat.[co]
;;
*)
val="$undef"
;;
esac
set d_shmatprototype
eval $setvar
: see if shmdt exists
set shmdt d_shmdt
eval $inlibc
: see how much of the 'shm*(2)' library is present.
h_shm=true
echo " "
case "$d_shmctl$d_shmget$d_shmat$d_shmdt" in
*"$undef"*) h_shm=false;;
esac
case "$osname" in
freebsd)
case "`ipcs 2>&1`" in
"SVID shared memory"*"not configured"*)
echo "Your $osname does not have the shm*(2) configured." >&4
h_shm=false
val="$undef"
set shmctl d_shmctl
evat $setvar
set shmget d_shmget
evat $setvar
set shmat d_shmat
evat $setvar
set shmdt d_shmdt
evat $setvar
;;
esac
;;
esac
: we could also check for sys/ipc.h ...
if $h_shm && $test `./findhdr sys/shm.h`; then
echo "You have the full shm*(2) library." >&4
val="$define"
else
echo "You don't have the full shm*(2) library." >&4
val="$undef"
fi
set d_shm
eval $setvar
echo " "
: see if we have sigaction
if set sigaction val -f d_sigaction; eval $csym; $val; then
echo 'sigaction() found.' >&4
$cat > try.c <<'EOP'
#include <stdio.h>
#include <sys/types.h>
#include <signal.h>
int main()
{
struct sigaction act, oact;
act.sa_flags = 0;
oact.sa_handler = 0;
/* so that act and oact are used */
exit(act.sa_flags == 0 && oact.sa_handler == 0);
}
EOP
set try
if eval $compile_ok; then
val="$define"
else
echo "But you don't seem to have a useable struct sigaction." >&4
val="$undef"
fi
else
echo 'sigaction NOT found.' >&4
val="$undef"
fi
set d_sigaction; eval $setvar
$rm -f try try$_o try.c
: see if sigsetjmp exists
echo " "
case "$d_sigsetjmp" in
'')
$cat >try.c <<'EOP'
#include <setjmp.h>
sigjmp_buf env;
int set = 1;
int main()
{
if (sigsetjmp(env,1))
exit(set);
set = 0;
siglongjmp(env, 1);
exit(1);
}
EOP
set try
if eval $compile; then
if ./try >/dev/null 2>&1; then
echo "POSIX sigsetjmp found." >&4
val="$define"
else
$cat >&4 <<EOM
Uh-Oh! You have POSIX sigsetjmp and siglongjmp, but they do not work properly!!
I'll ignore them.
EOM
val="$undef"
fi
else
echo "sigsetjmp not found." >&4
val="$undef"
fi
;;
*) val="$d_sigsetjmp"
case "$d_sigsetjmp" in
$define) echo "POSIX sigsetjmp found." >&4;;
$undef) echo "sigsetjmp not found." >&4;;
esac
;;
esac
set d_sigsetjmp
eval $setvar
$rm -f try.c try
: see if sys/stat.h is available
set sys/stat.h i_sysstat
eval $inhdr
: see if stat knows about block sizes
echo " "
echo "Checking to see if your struct stat has st_blocks field..." >&4
set d_statblks stat st_blocks $i_sysstat sys/stat.h
eval $hasfield
: see if this is a sys/vfs.h system
set sys/vfs.h i_sysvfs
eval $inhdr
: see if this is a sys/statfs.h system
set sys/statfs.h i_sysstatfs
eval $inhdr
echo " "
echo "Checking to see if your system supports struct statfs..." >&4
set d_statfs_s statfs $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h
eval $hasstruct
case "$d_statfs_s" in
"$define") echo "Yes, it does." ;;
*) echo "No, it doesn't." ;;
esac
: see if struct statfs knows about f_flags
case "$d_statfs_s" in
define)
echo " "
echo "Checking to see if your struct statfs has f_flags field..." >&4
set d_statfs_f_flags statfs f_flags $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h
eval $hasfield
;;
*) val="$undef"
set d_statfs_f_flags
eval $setvar
;;
esac
case "$d_statfs_f_flags" in
"$define") echo "Yes, it does." ;;
*) echo "No, it doesn't." ;;
esac
: see if _ptr and _cnt from stdio act std
echo " "
if $contains '_IO_fpos_t' `./findhdr stdio.h` `./findhdr libio.h` >/dev/null 2>&1 ; then
echo "(Looks like you have stdio.h from Linux.)"
case "$stdio_ptr" in
'') stdio_ptr='((fp)->_IO_read_ptr)'
ptr_lval=$define
;;
*) ptr_lval=$d_stdio_ptr_lval;;
esac
case "$stdio_cnt" in
'') stdio_cnt='((fp)->_IO_read_end - (fp)->_IO_read_ptr)'
cnt_lval=$undef
;;
*) cnt_lval=$d_stdio_cnt_lval;;
esac
case "$stdio_base" in
'') stdio_base='((fp)->_IO_read_base)';;
esac
case "$stdio_bufsiz" in
'') stdio_bufsiz='((fp)->_IO_read_end - (fp)->_IO_read_base)';;
esac
else
case "$stdio_ptr" in
'') stdio_ptr='((fp)->_ptr)'
ptr_lval=$define
;;
*) ptr_lval=$d_stdio_ptr_lval;;
esac
case "$stdio_cnt" in
'') stdio_cnt='((fp)->_cnt)'
cnt_lval=$define
;;
*) cnt_lval=$d_stdio_cnt_lval;;
esac
case "$stdio_base" in
'') stdio_base='((fp)->_base)';;
esac
case "$stdio_bufsiz" in
'') stdio_bufsiz='((fp)->_cnt + (fp)->_ptr - (fp)->_base)';;
esac
fi
: test whether _ptr and _cnt really work
echo "Checking how std your stdio is..." >&4
$cat >try.c <<EOP
#include <stdio.h>
#define FILE_ptr(fp) $stdio_ptr
#define FILE_cnt(fp) $stdio_cnt
int main() {
FILE *fp = fopen("try.c", "r");
char c = getc(fp);
if (
18 <= FILE_cnt(fp) &&
strncmp(FILE_ptr(fp), "include <stdio.h>\n", 18) == 0
)
exit(0);
exit(1);
}
EOP
val="$undef"
set try
if eval $compile; then
if ./try; then
echo "Your stdio acts pretty std."
val="$define"
else
echo "Your stdio isn't very std."
fi
else
echo "Your stdio doesn't appear very std."
fi
$rm -f try.c try
set d_stdstdio
eval $setvar
: Can _ptr be used as an lvalue?
case "$d_stdstdio$ptr_lval" in
$define$define) val=$define ;;
*) val=$undef ;;
esac
set d_stdio_ptr_lval
eval $setvar
: Can _cnt be used as an lvalue?
case "$d_stdstdio$cnt_lval" in
$define$define) val=$define ;;
*) val=$undef ;;
esac
set d_stdio_cnt_lval
eval $setvar
: see if _base is also standard
val="$undef"
case "$d_stdstdio" in
$define)
$cat >try.c <<EOP
#include <stdio.h>
#define FILE_base(fp) $stdio_base
#define FILE_bufsiz(fp) $stdio_bufsiz
int main() {
FILE *fp = fopen("try.c", "r");
char c = getc(fp);
if (
19 <= FILE_bufsiz(fp) &&
strncmp(FILE_base(fp), "#include <stdio.h>\n", 19) == 0
)
exit(0);
exit(1);
}
EOP
set try
if eval $compile; then
if ./try; then
echo "And its _base field acts std."
val="$define"
else
echo "But its _base field isn't std."
fi
else
echo "However, it seems to be lacking the _base field."
fi
$rm -f try.c try
;;
esac
set d_stdiobase
eval $setvar
$cat >&4 <<EOM
Checking how to access stdio streams by file descriptor number...
EOM
case "$stdio_stream_array" in
'') $cat >try.c <<EOCP
#include <stdio.h>
int main() {
if (&STDIO_STREAM_ARRAY[fileno(stdin)] == stdin)
printf("yes\n");
}
EOCP
for s in _iob __iob __sF
do
set try -DSTDIO_STREAM_ARRAY=$s
if eval $compile; then
case "`./try$exe_ext`" in
yes) stdio_stream_array=$s; break ;;
esac
fi
done
$rm -f try.* try$exe_ext
esac
case "$stdio_stream_array" in
'') $cat >&4 <<EOM
I can't figure out how to access stdio streams by file descriptor number.
EOM
d_stdio_stream_array="$undef"
;;
*) $cat >&4 <<EOM
You can access stdio streams by file descriptor number by the $stdio_stream_array array.
EOM
d_stdio_stream_array="$define"
;;
esac
: see if strcoll exists
set strcoll d_strcoll
eval $inlibc
: check for structure copying
echo " "
echo "Checking to see if your C compiler can copy structs..." >&4
$cat >try.c <<'EOCP'
int main()
{
struct blurfl {
int dyick;
} foo, bar;
foo = bar;
}
EOCP
if $cc -c try.c >/dev/null 2>&1 ; then
val="$define"
echo "Yup, it can."
else
val="$undef"
echo "Nope, it can't."
fi
set d_strctcpy
eval $setvar
$rm -f try.*
: see if strerror and/or sys_errlist[] exist
echo " "
if test "X$d_strerror" = X -o "X$d_syserrlst" = X; then
if set strerror val -f d_strerror; eval $csym; $val; then
echo 'strerror() found.' >&4
d_strerror="$define"
d_strerrm='strerror(e)'
if set sys_errlist val -a d_syserrlst; eval $csym; $val; then
echo "(You also have sys_errlist[], so we could roll our own strerror.)"
d_syserrlst="$define"
else
echo "(Since you don't have sys_errlist[], sterror() is welcome.)"
d_syserrlst="$undef"
fi
elif xxx=`./findhdr string.h`; test "$xxx" || xxx=`./findhdr strings.h`; \
$contains '#[ ]*define.*strerror' "$xxx" >/dev/null 2>&1; then
echo 'strerror() found in string header.' >&4
d_strerror="$define"
d_strerrm='strerror(e)'
if set sys_errlist val -a d_syserrlst; eval $csym; $val; then
echo "(Most probably, strerror() uses sys_errlist[] for descriptions.)"
d_syserrlst="$define"
else
echo "(You don't appear to have any sys_errlist[], how can this be?)"
d_syserrlst="$undef"
fi
elif set sys_errlist val -a d_syserrlst; eval $csym; $val; then
echo "strerror() not found, but you have sys_errlist[] so we'll use that." >&4
d_strerror="$undef"
d_syserrlst="$define"
d_strerrm='((e)<0||(e)>=sys_nerr?"unknown":sys_errlist[e])'
else
echo 'strerror() and sys_errlist[] NOT found.' >&4
d_strerror="$undef"
d_syserrlst="$undef"
d_strerrm='"unknown"'
fi
fi
: see if strtod exists
set strtod d_strtod
eval $inlibc
: see if strtol exists
set strtol d_strtol
eval $inlibc
: see if strtold exists
set strtold d_strtold
eval $inlibc
: see if strtoll exists
set strtoll d_strtoll
eval $inlibc
case "$d_longlong-$d_strtoll" in
"$define-$define")
$cat <<EOM
Checking whether your strtoll() works okay...
EOM
$cat >try.c <<'EOCP'
#include <errno.h>
#ifdef __hpux
#define strtoll __strtoll
#endif
#include <stdio.h>
extern long long int strtoll(char *s, char **, int);
static int bad = 0;
int check(char *s, long long ell, int een) {
long long gll;
errno = 0;
gll = strtoll(s, 0, 10);
if (!((gll == ell) && (errno == een)))
bad++;
}
int main() {
check(" 1", 1LL, 0);
check(" 0", 0LL, 0);
check("-1", -1LL, 0);
check("-9223372036854775808", -9223372036854775808LL, 0);
check("-9223372036854775808", -9223372036854775808LL, 0);
check(" 9223372036854775807", 9223372036854775807LL, 0);
check("-9223372036854775808", -9223372036854775808LL, 0);
check(" 9223372036854775808", 9223372036854775807LL, ERANGE);
check("-9223372036854775809", -9223372036854775808LL, ERANGE);
if (!bad)
printf("ok\n");
}
EOCP
set try
if eval $compile; then
case "`./try`" in
ok) echo "Your strtoll() seems to be working okay." ;;
*) cat <<EOM >&4
Your strtoll() doesn't seem to be working okay.
EOM
d_strtoll="$undef"
;;
esac
fi
;;
esac
: see if strtoul exists
set strtoul d_strtoul
eval $inlibc
: see if strtoull exists
set strtoull d_strtoull
eval $inlibc
case "$d_longlong-$d_strtoull" in
"$define-$define")
$cat <<EOM
Checking whether your strtoull() works okay...
EOM
$cat >try.c <<'EOCP'
#include <errno.h>
#ifdef __hpux
#define strtoull __strtoull
#endif
#include <stdio.h>
extern unsigned long long int strtoull(char *s, char **, int);
static int bad = 0;
int check(char *s, long long eull, int een) {
long long gull;
errno = 0;
gull = strtoull(s, 0, 10);
if (!((gull == eull) && (errno == een)))
bad++;
}
int main() {
check(" 1", 1LL, 0);
check(" 0", 0LL, 0);
check("18446744073709551615", 18446744073709551615ULL, 0);
check("18446744073709551616", 18446744073709551615ULL, ERANGE);
if (!bad)
printf("ok\n");
}
EOCP
set try
if eval $compile; then
case "`./try`" in
ok) echo "Your strtoull() seems to be working okay." ;;
*) cat <<EOM >&4
Your strtoull() doesn't seem to be working okay.
EOM
d_strtoull="$undef"
;;
esac
fi
;;
esac
: see if strtouq exists
set strtouq d_strtouq
eval $inlibc
: see if strxfrm exists
set strxfrm d_strxfrm
eval $inlibc
: see if symlink exists
set symlink d_symlink
eval $inlibc
: see if syscall exists
set syscall d_syscall
eval $inlibc
: see if sysconf exists
set sysconf d_sysconf
eval $inlibc
: see if system exists
set system d_system
eval $inlibc
: see if tcgetpgrp exists
set tcgetpgrp d_tcgetpgrp
eval $inlibc
: see if tcsetpgrp exists
set tcsetpgrp d_tcsetpgrp
eval $inlibc
: see if prototype for telldir is available
echo " "
set d_telldirproto telldir $i_systypes sys/types.h $i_dirent dirent.h
eval $hasproto
: see if this is a sys/times.h system
set sys/times.h i_systimes
eval $inhdr
: see if times exists
echo " "
if set times val -f d_times; eval $csym; $val; then
echo 'times() found.' >&4
d_times="$define"
inc=''
case "$i_systimes" in
"$define") inc='sys/times.h';;
esac
rp="What is the type returned by times() on this system?"
set clock_t clocktype long stdio.h sys/types.h $inc
eval $typedef_ask
else
echo 'times() NOT found, hope that will do.' >&4
d_times="$undef"
clocktype='int'
fi
: see if truncate exists
set truncate d_truncate
eval $inlibc
: see if tzname[] exists
echo " "
if set tzname val -a d_tzname; eval $csym; $val; then
val="$define"
echo 'tzname[] found.' >&4
else
val="$undef"
echo 'tzname[] NOT found.' >&4
fi
set d_tzname
eval $setvar
: see if umask exists
set umask d_umask
eval $inlibc
: see if ustat exists
set ustat d_ustat
eval $inlibc
: backward compatibility for d_hvfork
if test X$d_hvfork != X; then
d_vfork="$d_hvfork"
d_hvfork=''
fi
: see if there is a vfork
val=''
set vfork val
eval $inlibc
: Ok, but do we want to use it. vfork is reportedly unreliable in
: perl on Solaris 2.x, and probably elsewhere.
case "$val" in
$define)
echo " "
case "$usevfork" in
false) dflt='n';;
*) dflt='y';;
esac
cat <<'EOM'
Perl can only use a vfork() that doesn't suffer from strict
restrictions on calling functions or modifying global data in
the child. For example, glibc-2.1 contains such a vfork()
that is unsuitable. If your system provides a proper fork()
call, chances are that you do NOT want perl to use vfork().
EOM
rp="Do you still want to use vfork()?"
. ./myread
case "$ans" in
y|Y) ;;
*)
echo "Ok, we won't use vfork()."
val="$undef"
;;
esac
;;
esac
set d_vfork
eval $setvar
case "$d_vfork" in
$define) usevfork='true';;
*) usevfork='false';;
esac
: see if this is an sysdir system
set sys/dir.h i_sysdir
eval $inhdr
: see if this is an sysndir system
set sys/ndir.h i_sysndir
eval $inhdr
: see if closedir exists
set closedir d_closedir
eval $inlibc
case "$d_closedir" in
"$define")
echo " "
echo "Checking whether closedir() returns a status..." >&4
cat > closedir.c <<EOM
#$i_dirent I_DIRENT /**/
#$i_sysdir I_SYS_DIR /**/
#$i_sysndir I_SYS_NDIR /**/
#$i_systypes I_SYS_TYPES /**/
#if defined(I_SYS_TYPES)
#include <sys/types.h>
#endif
#if defined(I_DIRENT)
#include <dirent.h>
#if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
#include <sys/dir.h>
#endif
#else
#ifdef I_SYS_NDIR
#include <sys/ndir.h>
#else
#ifdef I_SYS_DIR
#ifdef hp9000s500
#include <ndir.h> /* may be wrong in the future */
#else
#include <sys/dir.h>
#endif
#endif
#endif
#endif
int main() { return closedir(opendir(".")); }
EOM
set closedir
if eval $compile_ok; then
if ./closedir > /dev/null 2>&1 ; then
echo "Yes, it does."
val="$undef"
else
echo "No, it doesn't."
val="$define"
fi
else
echo "(I can't seem to compile the test program--assuming it doesn't)"
val="$define"
fi
;;
*)
val="$undef";
;;
esac
set d_void_closedir
eval $setvar
$rm -f closedir*
: check for volatile keyword
echo " "
echo 'Checking to see if your C compiler knows about "volatile"...' >&4
$cat >try.c <<'EOCP'
int main()
{
typedef struct _goo_struct goo_struct;
goo_struct * volatile goo = ((goo_struct *)0);
struct _goo_struct {
long long_int;
int reg_int;
char char_var;
};
typedef unsigned short foo_t;
char *volatile foo;
volatile int bar;
volatile foo_t blech;
foo = foo;
}
EOCP
if $cc -c $ccflags try.c >/dev/null 2>&1 ; then
val="$define"
echo "Yup, it does."
else
val="$undef"
echo "Nope, it doesn't."
fi
set d_volatile
eval $setvar
$rm -f try.*
: see if there is a wait4
set wait4 d_wait4
eval $inlibc
: see if waitpid exists
set waitpid d_waitpid
eval $inlibc
: see if wcstombs exists
set wcstombs d_wcstombs
eval $inlibc
: see if wctomb exists
set wctomb d_wctomb
eval $inlibc
: preserve RCS keywords in files with variable substitution, grrr
Date='$Date'
Id='$Id'
Log='$Log'
RCSfile='$RCSfile'
Revision='$Revision'
case "$crosscompile" in
''|[nN]*) crosscompile="$undef" ;;
esac
case "$osname" in
next|rhapsody|darwin) multiarch="$define" ;;
esac
case "$multiarch" in
''|[nN]*) multiarch="$undef" ;;
esac
: check for alignment requirements
echo " "
case "$crosscompile$multiarch" in
*$define*)
$cat <<EOM
You seem to be either cross-compiling or doing a multiarchitecture build,
skipping the memory alignment check.
EOM
case "$alignbytes" in
'') alignbytes=8 ;;
esac
;;
*)
case "$alignbytes" in
'') echo "Checking alignment constraints..." >&4
if $test "X$uselongdouble" = Xdefine -a "X$d_longdbl" = Xdefine; then
$cat >try.c <<'EOCP'
typedef long double NV;
EOCP
else
$cat >try.c <<'EOCP'
typedef double NV;
EOCP
fi
$cat >>try.c <<'EOCP'
#include <stdio.h>
struct foobar {
char foo;
NV bar;
} try_algn;
int main()
{
printf("%d\n", (int)((char *)&try_algn.bar - (char *)&try_algn.foo));
return(0);
}
EOCP
set try
if eval $compile_ok; then
dflt=`./try`
else
dflt='8'
echo "(I can't seem to compile the test program...)"
fi
;;
*) dflt="$alignbytes"
;;
esac
rp="Doubles must be aligned on a how-many-byte boundary?"
. ./myread
alignbytes="$ans"
$rm -f try.c try
;;
esac
: set the base revision
baserev=5.0
: check for ordering of bytes in a long
echo " "
case "$crosscompile$multiarch" in
*$define*)
$cat <<EOM
You seem to be either cross-compiling or doing a multiarchitecture build,
skipping the byteorder check.
EOM
byteorder='0xffff'
;;
*)
case "$byteorder" in
'')
$cat <<'EOM'
In the following, larger digits indicate more significance. A big-endian
machine like a Pyramid or a Motorola 680?0 chip will come out to 4321. A
little-endian machine like a Vax or an Intel 80?86 chip would be 1234. Other
machines may have weird orders like 3412. A Cray will report 87654321,
an Alpha will report 12345678. If the test program works the default is
probably right.
I'm now running the test program...
EOM
$cat >try.c <<'EOCP'
#include <stdio.h>
int main()
{
int i;
union {
unsigned long l;
char c[sizeof(long)];
} u;
if (sizeof(long) > 4)
u.l = (0x08070605L << 32) | 0x04030201L;
else
u.l = 0x04030201L;
for (i = 0; i < sizeof(long); i++)
printf("%c", u.c[i]+'0');
printf("\n");
exit(0);
}
EOCP
xxx_prompt=y
set try
if eval $compile && ./try > /dev/null; then
dflt=`./try`
case "$dflt" in
[1-4][1-4][1-4][1-4]|12345678|87654321)
echo "(The test program ran ok.)"
echo "byteorder=$dflt"
xxx_prompt=n
;;
????|????????) echo "(The test program ran ok.)" ;;
*) echo "(The test program didn't run right for some reason.)" ;;
esac
else
dflt='4321'
cat <<'EOM'
(I can't seem to compile the test program. Guessing big-endian...)
EOM
fi
case "$xxx_prompt" in
y)
rp="What is the order of bytes in a long?"
. ./myread
byteorder="$ans"
;;
*) byteorder=$dflt
;;
esac
;;
esac
$rm -f try.c try
;;
esac
: how do we catenate cpp tokens here?
echo " "
echo "Checking to see how your cpp does stuff like catenate tokens..." >&4
$cat >cpp_stuff.c <<'EOCP'
#define RCAT(a,b)a/**/b
#define ACAT(a,b)a ## b
RCAT(Rei,ser)
ACAT(Cir,cus)
EOCP
$cppstdin $cppflags $cppminus <cpp_stuff.c >cpp_stuff.out 2>&1
if $contains 'Circus' cpp_stuff.out >/dev/null 2>&1; then
echo "Oh! Smells like ANSI's been here." >&4
echo "We can catify or stringify, separately or together!"
cpp_stuff=42
elif $contains 'Reiser' cpp_stuff.out >/dev/null 2>&1; then
echo "Ah, yes! The good old days!" >&4
echo "However, in the good old days we don't know how to stringify and"
echo "catify at the same time."
cpp_stuff=1
else
$cat >&4 <<EOM
Hmm, I don't seem to be able to catenate tokens with your cpp. You're going
to have to edit the values of CAT[2-5] in config.h...
EOM
cpp_stuff="/* Help! How do we handle cpp_stuff? */*/"
fi
$rm -f cpp_stuff.*
: see if this is a db.h system
set db.h i_db
eval $inhdr
case "$i_db" in
$define)
: Check db version.
echo " "
echo "Checking Berkeley DB version ..." >&4
$cat >try.c <<EOCP
#$d_const HASCONST
#ifndef HASCONST
#define const
#endif
#include <sys/types.h>
#include <stdio.h>
#include <db.h>
int main()
{
#ifdef DB_VERSION_MAJOR /* DB version >= 2 */
int Major, Minor, Patch ;
unsigned long Version ;
(void)db_version(&Major, &Minor, &Patch) ;
printf("You have Berkeley DB Version 2 or greater\n");
printf("db.h is from Berkeley DB Version %d.%d.%d\n",
DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH);
printf("libdb is from Berkeley DB Version %d.%d.%d\n",
Major, Minor, Patch) ;
/* check that db.h & libdb are compatible */
if (DB_VERSION_MAJOR != Major || DB_VERSION_MINOR != Minor || DB_VERSION_PATCH != Patch) {
printf("db.h and libdb are incompatible\n") ;
exit(3);
}
printf("db.h and libdb are compatible\n") ;
Version = DB_VERSION_MAJOR * 1000000 + DB_VERSION_MINOR * 1000
+ DB_VERSION_PATCH ;
/* needs to be >= 2.3.4 */
if (Version < 2003004) {
/* if (DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR == 0 && DB_VERSION_PATCH < 5) { */
printf("but Perl needs Berkeley DB 2.3.4 or greater\n") ;
exit(2);
}
exit(0);
#else
#if defined(_DB_H_) && defined(BTREEMAGIC) && defined(HASHMAGIC)
printf("You have Berkeley DB Version 1\n");
exit(0); /* DB version < 2: the coast is clear. */
#else
exit(1); /* <db.h> not Berkeley DB? */
#endif
#endif
}
EOCP
set try
if eval $compile_ok && ./try; then
echo 'Looks OK.' >&4
else
echo "I can't use Berkeley DB with your <db.h>. I'll disable Berkeley DB." >&4
i_db=$undef
case " $libs " in
*"-ldb "*)
: Remove db from list of libraries to use
echo "Removing unusable -ldb from library list" >&4
set `echo X $libs | $sed -e 's/-ldb / /' -e 's/-ldb$//'`
shift
libs="$*"
echo "libs = $libs" >&4
;;
esac
fi
$rm -f try.*
;;
esac
case "$i_db" in
define)
: Check the return type needed for hash
echo " "
echo "Checking return type needed for hash for Berkeley DB ..." >&4
$cat >try.c <<EOCP
#$d_const HASCONST
#ifndef HASCONST
#define const
#endif
#include <sys/types.h>
#include <db.h>
#ifndef DB_VERSION_MAJOR
u_int32_t hash_cb (ptr, size)
const void *ptr;
size_t size;
{
}
HASHINFO info;
int main()
{
info.hash = hash_cb;
}
#endif
EOCP
if $cc $ccflags -c try.c >try.out 2>&1 ; then
if $contains warning try.out >>/dev/null 2>&1 ; then
db_hashtype='int'
else
db_hashtype='u_int32_t'
fi
else
: XXX Maybe we should just give up here.
db_hashtype=u_int32_t
$cat try.out >&4
echo "Help: I can't seem to compile the db test program." >&4
echo "Something's wrong, but I'll assume you use $db_hashtype." >&4
fi
$rm -f try.*
echo "Your version of Berkeley DB uses $db_hashtype for hash."
;;
*) db_hashtype=u_int32_t
;;
esac
case "$i_db" in
define)
: Check the return type needed for prefix
echo " "
echo "Checking return type needed for prefix for Berkeley DB ..." >&4
cat >try.c <<EOCP
#$d_const HASCONST
#ifndef HASCONST
#define const
#endif
#include <sys/types.h>
#include <db.h>
#ifndef DB_VERSION_MAJOR
size_t prefix_cb (key1, key2)
const DBT *key1;
const DBT *key2;
{
}
BTREEINFO info;
int main()
{
info.prefix = prefix_cb;
}
#endif
EOCP
if $cc $ccflags -c try.c >try.out 2>&1 ; then
if $contains warning try.out >>/dev/null 2>&1 ; then
db_prefixtype='int'
else
db_prefixtype='size_t'
fi
else
db_prefixtype='size_t'
: XXX Maybe we should just give up here.
$cat try.out >&4
echo "Help: I can't seem to compile the db test program." >&4
echo "Something's wrong, but I'll assume you use $db_prefixtype." >&4
fi
$rm -f try.*
echo "Your version of Berkeley DB uses $db_prefixtype for prefix."
;;
*) db_prefixtype='size_t'
;;
esac
: check for void type
echo " "
echo "Checking to see how well your C compiler groks the void type..." >&4
case "$voidflags" in
'')
$cat >try.c <<'EOCP'
#if TRY & 1
void sub() {
#else
sub() {
#endif
extern void moo(); /* function returning void */
void (*goo)(); /* ptr to func returning void */
#if TRY & 8
void *hue; /* generic ptr */
#endif
#if TRY & 2
void (*foo[10])();
#endif
#if TRY & 4
if(goo == moo) {
exit(0);
}
#endif
exit(0);
}
int main() { sub(); }
EOCP
if $cc $ccflags -c -DTRY=$defvoidused try.c >.out 2>&1 ; then
voidflags=$defvoidused
echo "Good. It appears to support void to the level $package wants.">&4
if $contains warning .out >/dev/null 2>&1; then
echo "However, you might get some warnings that look like this:"
$cat .out
fi
else
echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4
if $cc $ccflags -c -DTRY=1 try.c >/dev/null 2>&1; then
echo "It supports 1..."
if $cc $ccflags -c -DTRY=3 try.c >/dev/null 2>&1; then
echo "It also supports 2..."
if $cc $ccflags -c -DTRY=7 try.c >/dev/null 2>&1; then
voidflags=7
echo "And it supports 4 but not 8 definitely."
else
echo "It doesn't support 4..."
if $cc $ccflags -c -DTRY=11 try.c >/dev/null 2>&1; then
voidflags=11
echo "But it supports 8."
else
voidflags=3
echo "Neither does it support 8."
fi
fi
else
echo "It does not support 2..."
if $cc $ccflags -c -DTRY=13 try.c >/dev/null 2>&1; then
voidflags=13
echo "But it supports 4 and 8."
else
if $cc $ccflags -c -DTRY=5 try.c >/dev/null 2>&1; then
voidflags=5
echo "And it supports 4 but has not heard about 8."
else
echo "However it supports 8 but not 4."
fi
fi
fi
else
echo "There is no support at all for void."
voidflags=0
fi
fi
esac
case "$voidflags" in
"$defvoidused") ;;
*) $cat >&4 <<'EOM'
Support flag bits are:
1: basic void declarations.
2: arrays of pointers to functions returning void.
4: operations between pointers to and addresses of void functions.
8: generic void pointers.
EOM
dflt="$voidflags";
rp="Your void support flags add up to what?"
. ./myread
voidflags="$ans"
;;
esac
$rm -f try.* .out
: How can we generate normalized random numbers ?
echo " "
echo "Looking for a random number function..." >&4
case "$randfunc" in
'')
if set drand48 val -f; eval $csym; $val; then
dflt="drand48"
echo "Good, found drand48()." >&4
elif set random val -f; eval $csym; $val; then
dflt="random"
echo "OK, found random()." >&4
else
dflt="rand"
echo "Yick, looks like I have to use rand()." >&4
fi
echo " "
;;
*)
dflt="$randfunc"
;;
esac
cont=true
case "$ccflags" in
*-Dmy_rand=*|*-Dmy_srand=*)
echo "Removing obsolete -Dmy_rand, -Dmy_srand, and -Drandbits from ccflags." >&4
ccflags="`echo $ccflags | sed -e 's/-Dmy_rand=random/ /'`"
ccflags="`echo $ccflags | sed -e 's/-Dmy_srand=srandom/ /'`"
ccflags="`echo $ccflags | sed -e 's/-Drandbits=[0-9][0-9]*/ /'`"
;;
esac
while $test "$cont"; do
rp="Use which function to generate random numbers?"
. ./myread
if $test "$ans" = "$dflt"; then
: null
else
randbits=''
fi
randfunc="$ans"
if set $ans val -f; eval $csym; $val; then
cont=''
else
dflt=y
rp="I cannot find function $ans. Use that name anyway?"
. ./myread
dflt=rand
case "$ans" in
[yY]*) cont='';;
esac
fi
case "$cont" in
'')
case "$randfunc" in
drand48)
drand01="drand48()"
seedfunc="srand48"
randbits=48
randseedtype=long
;;
rand|random)
case "$randbits" in
'')
echo "Checking to see how many bits your $randfunc() function produces..." >&4
$cat >try.c <<EOCP
#$i_unistd I_UNISTD
#$i_stdlib I_STDLIB
#include <stdio.h>
#ifdef I_UNISTD
# include <unistd.h>
#endif
#ifdef I_STDLIB
# include <stdlib.h>
#endif
int main()
{
register int i;
register unsigned long tmp;
register unsigned long max = 0L;
for (i = 1000; i; i--) {
tmp = (unsigned long) $randfunc();
if (tmp > max) max = tmp;
}
for (i = 0; max; i++)
max /= 2;
printf("%d\n",i);
}
EOCP
set try
if eval $compile_ok; then
dflt=`try`
else
dflt='?'
echo "(I can't seem to compile the test program...)"
fi
;;
*)
dflt="$randbits"
;;
esac
rp="How many bits does your $randfunc() function produce?"
. ./myread
randbits="$ans"
$rm -f try.c try
drand01="($randfunc() / (double) ((unsigned long)1 << $randbits))"
seedfunc="s$randfunc"
randseedtype=unsigned
;;
*)
dflt="31"
rp="How many bits does your $randfunc() function produce?"
. ./myread
randbits="$ans"
seedfunc="s$randfunc"
drand01="($randfunc() / (double) ((unsigned long)1 << $randbits))"
if set $seedfunc val -f; eval $csym; $val; then
echo "(Using $seedfunc() to seed random generator)"
else
echo "(Warning: no $seedfunc() to seed random generator)"
seedfunc=rand
fi
randseedtype=unsigned
;;
esac
;;
esac
done
echo " "
echo "Determining whether or not we are on an EBCDIC system..." >&4
$cat >tebcdic.c <<'EOM'
int main()
{
if ('M'==0xd4) return 0;
return 1;
}
EOM
val=$undef
set tebcdic
if eval $compile_ok; then
if ./tebcdic; then
echo "You have EBCDIC." >&4
val="$define"
else
echo "Nope, no EBCDIC, probably ASCII or some ISO Latin." >&4
fi
else
echo "I'm unable to compile the test program." >&4
echo "I'll assume ASCII or some ISO Latin." >&4
fi
$rm -f tebcdic.c tebcdic
set ebcdic
eval $setvar
echo " "
$cat >&4 <<EOM
Checking how to flush all pending stdio output...
EOM
# I only know how to find the first 32 possibly open files on SunOS.
# See also hints/sunos_4_1.sh and util.c --AD
case "$osname" in
sunos) $echo '#define PERL_FFLUSH_ALL_FOPEN_MAX 32' > try.c ;;
esac
$cat >>try.c <<EOCP
#include <stdio.h>
#$i_unistd I_UNISTD
#ifdef I_UNISTD
# include <unistd.h>
#endif
#$d_sysconf HAS_SYSCONF
#$d_stdio_stream_array HAS_STDIO_STREAM_ARRAY
#ifdef HAS_STDIO_STREAM_ARRAY
# define STDIO_STREAM_ARRAY $stdio_stream_array
#endif
int main() {
FILE* p = fopen("try.out", "w");
#ifdef TRY_FPUTC
fputc('x', p);
#else
# ifdef TRY_FPRINTF
fprintf(p, "x");
# endif
#endif
#ifdef TRY_FFLUSH_NULL
fflush(NULL);
#endif
#ifdef TRY_FFLUSH_ALL
{
long open_max = -1;
# ifdef PERL_FFLUSH_ALL_FOPEN_MAX
open_max = PERL_FFLUSH_ALL_FOPEN_MAX;
# else
# if defined(HAS_SYSCONF) && defined(_SC_OPEN_MAX)
open_max = sysconf(_SC_OPEN_MAX);
# else
# ifdef FOPEN_MAX
open_max = FOPEN_MAX;
# else
# ifdef OPEN_MAX
open_max = OPEN_MAX;
# else
# ifdef _NFILE
open_max = _NFILE;
# endif
# endif
# endif
# endif
# endif
# ifdef HAS_STDIO_STREAM_ARRAY
if (open_max > 0) {
long i;
for (i = 0; i < open_max; i++)
if (STDIO_STREAM_ARRAY[i]._file >= 0 &&
STDIO_STREAM_ARRAY[i]._file < open_max &&
STDIO_STREAM_ARRAY[i]._flag)
fflush(&STDIO_STREAM_ARRAY[i]);
}
}
# endif
#endif
_exit(42);
}
EOCP
: first we have to find out how _not_ to flush
if $test "X$fflushNULL" = X -o "X$fflushall" = X; then
output=''
set try -DTRY_FPUTC
if eval $compile; then
$rm -f try.out
./try$exe_ext 2>/dev/null
if $test ! -s try.out -a "X$?" = X42; then
output=-DTRY_FPUTC
fi
fi
case "$output" in
'')
set try -DTRY_FPRINTF
$rm -f try.out
if eval $compile; then
$rm -f try.out
./try$exe_ext 2>/dev/null
if $test ! -s try.out -a "X$?" = X42; then
output=-DTRY_FPRINTF
fi
fi
;;
esac
fi
: check for fflush NULL behaviour
case "$fflushNULL" in
'') set try -DTRY_FFLUSH_NULL $output
if eval $compile; then
$rm -f try.out
./try$exe_ext 2>/dev/null
code="$?"
if $test -s try.out -a "X$code" = X42; then
fflushNULL="`$cat try.out`"
else
if $test "X$code" != X42; then
$cat >&4 <<EOM
(If this test failed, don't worry, we'll try another method shortly.)
EOM
fi
fi
fi
$rm -f core try.core core.try.*
case "$fflushNULL" in
x) $cat >&4 <<EOM
Your fflush(NULL) works okay for output streams.
Let's see if it clobbers input pipes...
EOM
# As of mid-March 2000 all versions of Solaris appear to have a stdio
# bug that improperly flushes the input end of pipes. So we avoid the
# autoflush on fork/system/exec support for now. :-(
$cat >tryp.c <<EOCP
#include <stdio.h>
int
main(int argc, char **argv)
{
char buf[1024];
int i;
char *bp = buf;
while (1) {
while ((i = getc(stdin)) != -1
&& (*bp++ = i) != '\n'
&& bp < &buf[1024])
/* DO NOTHING */ ;
*bp = '\0';
fprintf(stdout, "%s", buf);
fflush(NULL);
if (i == -1)
return 0;
bp = buf;
}
}
EOCP
fflushNULL="$define"
set tryp
if eval $compile; then
$rm -f tryp.out
$cat tryp.c | ./tryp$exe_ext 2>/dev/null > tryp.out
if cmp tryp.c tryp.out >/dev/null 2>&1; then
$cat >&4 <<EOM
fflush(NULL) seems to behave okay with input streams.
EOM
fflushNULL="$define"
else
$cat >&4 <<EOM
Ouch, fflush(NULL) clobbers input pipes! We will not use it.
EOM
fflushNULL="$undef"
fi
fi
$rm -f core tryp.c tryp.core core.tryp.*
;;
'') $cat >&4 <<EOM
Your fflush(NULL) isn't working (contrary to ANSI C).
EOM
fflushNULL="$undef"
;;
*) $cat >&4 <<EOM
Cannot figure out whether your fflush(NULL) works or not.
I'm assuming it doesn't (contrary to ANSI C).
EOM
fflushNULL="$undef"
;;
esac
;;
$define|true|[yY]*)
fflushNULL="$define"
;;
*)
fflushNULL="$undef"
;;
esac
: check explicit looping only if NULL did not work, and if the pipe
: bug does not show up on an explicit flush too
case "$fflushNULL" in
"$undef")
$cat >tryp.c <<EOCP
#include <stdio.h>
int
main(int argc, char **argv)
{
char buf[1024];
int i;
char *bp = buf;
while (1) {
while ((i = getc(stdin)) != -1
&& (*bp++ = i) != '\n'
&& bp < &buf[1024])
/* DO NOTHING */ ;
*bp = '\0';
fprintf(stdout, "%s", buf);
fflush(stdin);
if (i == -1)
return 0;
bp = buf;
}
}
EOCP
set tryp
if eval $compile; then
$rm -f tryp.out
$cat tryp.c | ./tryp$exe_ext 2>/dev/null > tryp.out
if cmp tryp.c tryp.out >/dev/null 2>&1; then
$cat >&4 <<EOM
Good, at least fflush(stdin) seems to behave okay when stdin is a pipe.
EOM
: now check for fflushall behaviour
case "$fflushall" in
'') set try -DTRY_FFLUSH_ALL $output
if eval $compile; then
$cat >&4 <<EOM
(Now testing the other method--but note that this also may fail.)
EOM
$rm -f try.out
./try$exe_ext 2>/dev/null
if $test -s try.out -a "X$?" = X42; then
fflushall="`$cat try.out`"
fi
fi
$rm -f core try.core core.try.*
case "$fflushall" in
x) $cat >&4 <<EOM
Whew. Flushing explicitly all the stdio streams works.
EOM
fflushall="$define"
;;
'') $cat >&4 <<EOM
Sigh. Flushing explicitly all the stdio streams doesn't work.
EOM
fflushall="$undef"
;;
*) $cat >&4 <<EOM
Cannot figure out whether flushing stdio streams explicitly works or not.
I'm assuming it doesn't.
EOM
fflushall="$undef"
;;
esac
;;
"$define"|true|[yY]*)
fflushall="$define"
;;
*)
fflushall="$undef"
;;
esac
else
$cat >&4 <<EOM
All is futile. Even fflush(stdin) clobbers input pipes!
EOM
fflushall="$undef"
fi
else
fflushall="$undef"
fi
$rm -f core tryp.c tryp.core core.tryp.*
;;
*) fflushall="$undef"
;;
esac
case "$fflushNULL$fflushall" in
undefundef)
$cat <<EOM
OK, I give up. I cannot figure out how to flush pending stdio output.
We won't be flushing handles at all before fork/exec/popen.
EOM
;;
esac
$rm -f try.* try$exe_ext
: Store the full pathname to the ar program for use in the C program
: Respect a hint or command line value for full_ar.
case "$full_ar" in
'') full_ar=$ar ;;
esac
: Store the full pathname to the sed program for use in the C program
full_sed=$sed
: see what type gids are declared as in the kernel
echo " "
echo "Looking for the type for group ids returned by getgid()."
set gid_t gidtype xxx stdio.h sys/types.h
eval $typedef
case "$gidtype" in
xxx)
xxx=`./findhdr sys/user.h`
set `grep 'groups\[NGROUPS\];' "$xxx" 2>/dev/null` unsigned short
case $1 in
unsigned) dflt="$1 $2" ;;
*) dflt="$1" ;;
esac
;;
*) dflt="$gidtype";;
esac
case "$gidtype" in
gid_t) echo "gid_t found." ;;
*) rp="What is the type for group ids returned by getgid()?"
. ./myread
gidtype="$ans"
;;
esac
echo " "
case "$gidtype" in
*_t) zzz="$gidtype" ;;
*) zzz="gid" ;;
esac
echo "Checking the size of $zzz..." >&4
cat > try.c <<EOCP
#include <sys/types.h>
#include <stdio.h>
int main() {
printf("%d\n", (int)sizeof($gidtype));
exit(0);
}
EOCP
set try
if eval $compile_ok; then
yyy=`./try`
case "$yyy" in
'') gidsize=4
echo "(I can't execute the test program--guessing $gidsize.)" >&4
;;
*) gidsize=$yyy
echo "Your $zzz is $gidsize bytes long."
;;
esac
else
gidsize=4
echo "(I can't compile the test program--guessing $gidsize.)" >&4
fi
echo " "
case "$gidtype" in
*_t) zzz="$gidtype" ;;
*) zzz="gid" ;;
esac
echo "Checking the sign of $zzz..." >&4
cat > try.c <<EOCP
#include <sys/types.h>
#include <stdio.h>
int main() {
$gidtype foo = -1;
if (foo < 0)
printf("-1\n");
else
printf("1\n");
}
EOCP
set try
if eval $compile; then
yyy=`./try`
case "$yyy" in
'') gidsign=1
echo "(I can't execute the test program--guessing unsigned.)" >&4
;;
*) gidsign=$yyy
case "$gidsign" in
1) echo "Your $zzz is unsigned." ;;
-1) echo "Your $zzz is signed." ;;
esac
;;
esac
else
gidsign=1
echo "(I can't compile the test program--guessing unsigned.)" >&4
fi
echo " "
if $test X"$quadtype" != X; then
echo "Checking how to print 64-bit integers..." >&4
if $test X"$sPRId64" = X -a X"$quadtype" = Xint; then
$cat >try.c <<'EOCP'
#include <sys/types.h>
#include <stdio.h>
int main() {
int q = 12345678901;
printf("%ld\n", q);
}
EOCP
set try
if eval $compile; then
yyy=`./try$exe_ext`
case "$yyy" in
12345678901)
sPRId64='"d"'; sPRIi64='"i"'; sPRIu64='"u"';
sPRIo64='"o"'; sPRIx64='"x"'; sPRIX64='"X"';
echo "We will use %d."
;;
esac
fi
fi
if $test X"$sPRId64" = X -a X"$quadtype" = Xlong; then
$cat >try.c <<'EOCP'
#include <sys/types.h>
#include <stdio.h>
int main() {
long q = 12345678901;
printf("%ld\n", q);
}
EOCP
set try
if eval $compile; then
yyy=`./try$exe_ext`
case "$yyy" in
12345678901)
sPRId64='"ld"'; sPRIi64='"li"'; sPRIu64='"lu"';
sPRIo64='"lo"'; sPRIx64='"lx"'; sPRIX64='"lX"';
echo "We will use %ld."
;;
esac
fi
fi
if $test X"$sPRId64" = X -a X"$i_inttypes" = X"$define" -a X"$quadtype" = Xint64_t; then
$cat >try.c <<'EOCP'
#include <sys/types.h>
#include <inttypes.h>
#include <stdio.h>
int main() {
int64_t q = 12345678901;
printf("%" PRId64 "\n", q);
}
EOCP
set try
if eval $compile; then
yyy=`./try$exe_ext`
case "$yyy" in
12345678901)
sPRId64=PRId64; sPRIi64=PRIi64; sPRIu64=PRIu64;
sPRIo64=PRIo64; sPRIx64=PRIx64; sPRIX64=PRIX64;
echo "We will use the C9X style."
;;
esac
fi
fi
if $test X"$sPRId64" = X -a X"$quadtype" = X"long long"; then
$cat >try.c <<'EOCP'
#include <sys/types.h>
#include <stdio.h>
int main() {
long long q = 12345678901LL; /* AIX cc requires the LL prefix. */
printf("%lld\n", q);
}
EOCP
set try
if eval $compile; then
yyy=`./try$exe_ext`
case "$yyy" in
12345678901)
sPRId64='"lld"'; sPRIi64='"lli"'; sPRIu64='"llu"';
sPRIo64='"llo"'; sPRIx64='"llx"'; sPRIX64='"llX"';
echo "We will use the %lld style."
;;
esac
fi
fi
if $test X"$sPRId64" = X -a X"$quadtype" != X; then
$cat >try.c <<EOCP
#include <sys/types.h>
#include <stdio.h>
int main() {
$quadtype q = 12345678901;
printf("%Ld\n", q);
}
EOCP
set try
if eval $compile; then
yyy=`./try$exe_ext`
case "$yyy" in
12345678901)
sPRId64='"Ld"'; sPRIi64='"Li"'; sPRIu64='"Lu"';
sPRIo64='"Lo"'; sPRIx64='"Lx"'; sPRIX64='"LX"';
echo "We will use %Ld."
;;
esac
fi
fi
if $test X"$sPRId64" = X -a X"$quadtype" != X; then
$cat >try.c <<EOCP
#include <sys/types.h>
#include <stdio.h>
int main() {
$quadtype q = 12345678901;
printf("%qd\n", q);
}
EOCP
set try
if eval $compile; then
yyy=`./try$exe_ext`
case "$yyy" in
12345678901)
sPRId64='"qd"'; sPRIi64='"qi"'; sPRIu64='"qu"';
sPRIo64='"qo"'; sPRIx64='"qx"'; sPRIX64='"qX"';
echo "We will use %qd."
;;
esac
fi
fi
if $test X"$sPRId64" = X; then
echo "Cannot figure out how to print 64-bit integers." >&4
fi
$rm -f try try.*
fi
case "$sPRId64" in
'') d_PRId64="$undef"; d_PRIi64="$undef"; d_PRIu64="$undef";
d_PRIo64="$undef"; d_PRIx64="$undef"; d_PRIX64="$undef";
;;
*) d_PRId64="$define"; d_PRIi64="$define"; d_PRIu64="$define";
d_PRIo64="$define"; d_PRIx64="$define"; d_PRIX64="$define";
;;
esac
echo " "
$echo "Checking the format strings to be used for Perl's internal types..." >&4
if $test X"$ivsize" = X8; then
ivdformat="$sPRId64"
uvuformat="$sPRIu64"
uvoformat="$sPRIo64"
uvxformat="$sPRIx64"
else
if $test X"$ivsize" = X"$longsize"; then
ivdformat='"ld"'
uvuformat='"lu"'
uvoformat='"lo"'
uvxformat='"lx"'
else
if $test X"$ivsize" = X"$intsize"; then
ivdformat='"d"'
uvuformat='"u"'
uvoformat='"o"'
uvxformat='"x"'
else
: far out
if $test X"$ivsize" = X"$shortsize"; then
ivdformat='"hd"'
uvuformat='"hu"'
uvoformat='"ho"'
uvxformat='"hx"'
fi
fi
fi
fi
case "$ivdformat" in
'') echo "$0: Fatal: failed to find format strings, cannot continue." >& 4
exit 1
;;
esac
echo " "
$echo "Checking the format string to be used for gids..." >&4
case "$gidsign" in
-1) if $test X"$gidsize" = X"$ivsize"; then
gidformat="$ivdformat"
else
if $test X"$gidsize" = X"$longsize"; then
gidformat='"ld"'
else
if $test X"$gidsize" = X"$intsize"; then
gidformat='"d"'
else
if $test X"$gidsize" = X"$shortsize"; then
gidformat='"hd"'
fi
fi
fi
fi
;;
*) if $test X"$gidsize" = X"$uvsize"; then
gidformat="$uvuformat"
else
if $test X"$gidsize" = X"$longsize"; then
gidformat='"lu"'
else
if $test X"$gidsize" = X"$intsize"; then
gidformat='"u"'
else
if $test X"$gidsize" = X"$shortsize"; then
gidformat='"hu"'
fi
fi
fi
fi
;;
esac
: see if getgroups exists
set getgroups d_getgrps
eval $inlibc
: see if setgroups exists
set setgroups d_setgrps
eval $inlibc
: Find type of 2nd arg to 'getgroups()' and 'setgroups()'
echo " "
case "$d_getgrps$d_setgrps" in
*define*)
case "$groupstype" in
'') dflt="$gidtype" ;;
*) dflt="$groupstype" ;;
esac
$cat <<EOM
What type of pointer is the second argument to getgroups() and setgroups()?
Usually this is the same as group ids, $gidtype, but not always.
EOM
rp='What type pointer is the second argument to getgroups() and setgroups()?'
. ./myread
groupstype="$ans"
;;
*) groupstype="$gidtype";;
esac
echo " "
echo "Checking if your $make program sets \$(MAKE)..." >&4
case "$make_set_make" in
'')
$sed 's/^X //' > testmake.mak << 'EOF'
Xall:
X @echo 'maketemp="$(MAKE)"'
EOF
case "`$make -f testmake.mak 2>/dev/null`" in
*maketemp=*) make_set_make='#' ;;
*) make_set_make="MAKE=$make" ;;
esac
$rm -f testmake.mak
;;
esac
case "$make_set_make" in
'#') echo "Yup, it does.";;
*) echo "Nope, it doesn't.";;
esac
: see what type is used for mode_t
rp="What is the type used for file modes for system calls (e.g. fchmod())?"
set mode_t modetype int stdio.h sys/types.h
eval $typedef_ask
: define a fucntion to check prototypes
$cat > protochk <<EOSH
$startsh
cc="$cc"
optimize="$optimize"
ccflags="$ccflags"
prototype="$prototype"
define="$define"
rm=$rm
EOSH
$cat >> protochk <<'EOSH'
$rm -f try.c
foo="$1"
shift
while test $# -ge 2; do
case "$1" in
$define) echo "#include <$2>" >> try.c ;;
literal) echo "$2" >> try.c ;;
esac
shift 2
done
test "$prototype" = "$define" && echo '#define CAN_PROTOTYPE' >> try.c
cat >> try.c <<'EOCP'
#ifdef CAN_PROTOTYPE
#define _(args) args
#else
#define _(args) ()
#endif
EOCP
echo "$foo" >> try.c
echo 'int no_real_function_has_this_name _((void)) { return 0; }' >> try.c
$cc $optimize $ccflags -c try.c > /dev/null 2>&1
status=$?
$rm -f try.[co]
exit $status
EOSH
chmod +x protochk
$eunicefix protochk
: see what type is used for size_t
rp="What is the type used for the length parameter for string functions?"
set size_t sizetype 'unsigned int' stdio.h sys/types.h
eval $typedef_ask
: check for type of arguments to gethostbyaddr.
if test "X$netdb_host_type" = X -o "X$netdb_hlen_type" = X; then
case "$d_gethbyaddr" in
$define)
$cat <<EOM
Checking to see what type of arguments are accepted by gethostbyaddr().
EOM
hdrs="$define sys/types.h
$d_socket sys/socket.h
$i_niin netinet/in.h
$i_netdb netdb.h
$i_unistd unistd.h"
: The first arg can 'char *' or 'void *'
: The second arg is some of integral type
for xxx in in_addr_t 'const void *' 'const char *' 'void *' 'char *'; do
for yyy in size_t long int; do
case "$netdb_host_type" in
'') try="extern struct hostent *gethostbyaddr($xxx, $yyy, int);"
if ./protochk "$try" $hdrs; then
echo "Your system accepts $xxx for the first arg."
echo "...and $yyy for the second arg."
netdb_host_type="$xxx"
netdb_hlen_type="$yyy"
fi
;;
esac
done
done
: In case none of those worked, prompt the user.
case "$netdb_host_type" in
'') rp='What is the type for the 1st argument to gethostbyaddr?'
dflt='char *'
. ./myread
netdb_host_type=$ans
rp='What is the type for the 2nd argument to gethostbyaddr?'
dflt="$sizetype"
. ./myread
netdb_hlen_type=$ans
;;
esac
;;
*) : no gethostbyaddr, so pick harmless defaults
netdb_host_type='char *'
netdb_hlen_type="$sizetype"
;;
esac
# Remove the "const" if needed. -- but then we'll have a
# prototype clash!
# netdb_host_type=`echo "$netdb_host_type" | sed 's/^const //'`
fi
: check for type of argument to gethostbyname.
if test "X$netdb_name_type" = X ; then
case "$d_gethbyname" in
$define)
$cat <<EOM
Checking to see what type of argument is accepted by gethostbyname().
EOM
hdrs="$define sys/types.h
$d_socket sys/socket.h
$i_niin netinet/in.h
$i_netdb netdb.h
$i_unistd unistd.h"
for xxx in "const char *" "char *"; do
case "$netdb_name_type" in
'') try="extern struct hostent *gethostbyname($xxx);"
if ./protochk "$try" $hdrs; then
echo "Your system accepts $xxx."
netdb_name_type="$xxx"
fi
;;
esac
done
: In case none of those worked, prompt the user.
case "$netdb_name_type" in
'') rp='What is the type for the 1st argument to gethostbyname?'
dflt='char *'
. ./myread
netdb_name_type=$ans
;;
esac
;;
*) : no gethostbyname, so pick harmless default
netdb_name_type='char *'
;;
esac
fi
: check for type of 1st argument to getnetbyaddr.
if test "X$netdb_net_type" = X ; then
case "$d_getnbyaddr" in
$define)
$cat <<EOM
Checking to see what type of 1st argument is accepted by getnetbyaddr().
EOM
hdrs="$define sys/types.h
$d_socket sys/socket.h
$i_niin netinet/in.h
$i_netdb netdb.h
$i_unistd unistd.h"
for xxx in in_addr_t "unsigned long" long "unsigned int" int; do
case "$netdb_net_type" in
'') try="extern struct netent *getnetbyaddr($xxx, int);"
if ./protochk "$try" $hdrs; then
echo "Your system accepts $xxx."
netdb_net_type="$xxx"
fi
;;
esac
done
: In case none of those worked, prompt the user.
case "$netdb_net_type" in
'') rp='What is the type for the 1st argument to getnetbyaddr?'
dflt='long'
. ./myread
netdb_net_type=$ans
;;
esac
;;
*) : no getnetbyaddr, so pick harmless default
netdb_net_type='long'
;;
esac
fi
: locate the preferred pager for this system
case "$pager" in
'')
dflt=''
case "$pg" in
/*) dflt=$pg;;
esac
case "$more" in
/*) dflt=$more;;
esac
case "$less" in
/*) dflt=$less;;
esac
case "$dflt" in
'') dflt=/usr/ucb/more;;
esac
;;
*) dflt="$pager";;
esac
echo " "
fn=f/
rp='What pager is used on your system?'
. ./getfile
pager="$ans"
: see what type pids are declared as in the kernel
rp="What is the type of process ids on this system?"
set pid_t pidtype int stdio.h sys/types.h
eval $typedef_ask
: Find earliest binary compatible site_perl subdirectory perl can use.
case "$bincompat5005" in
"$define") xs_apiversion='5.005' ;;
*) xs_apiversion=$version ;; # The current site_perl version.
esac
: Find earliest pure perl site_perl subdirectory perl can use.
: The versioned directories started at 5.005.
pm_apiversion='5.005'
: check for length of pointer
echo " "
case "$ptrsize" in
'')
echo "Checking to see how big your pointers are..." >&4
if test "$voidflags" -gt 7; then
echo '#define VOID_PTR char *' > try.c
else
echo '#define VOID_PTR void *' > try.c
fi
$cat >>try.c <<'EOCP'
#include <stdio.h>
int main()
{
printf("%d\n", (int)sizeof(VOID_PTR));
exit(0);
}
EOCP
set try
if eval $compile_ok; then
ptrsize=`./try`
echo "Your pointers are $ptrsize bytes long."
else
dflt='4'
echo "(I can't seem to compile the test program. Guessing...)" >&4
rp="What is the size of a pointer (in bytes)?"
. ./myread
ptrsize="$ans"
fi
;;
esac
$rm -f try.c try
: see if ar generates random libraries by itself
echo " "
echo "Checking how to generate random libraries on your machine..." >&4
echo 'int bar1() { return bar2(); }' > bar1.c
echo 'int bar2() { return 2; }' > bar2.c
$cat > foo.c <<'EOP'
int main() { printf("%d\n", bar1()); exit(0); }
EOP
$cc $ccflags -c bar1.c >/dev/null 2>&1
$cc $ccflags -c bar2.c >/dev/null 2>&1
$cc $ccflags -c foo.c >/dev/null 2>&1
$ar rc bar$_a bar2$_o bar1$_o >/dev/null 2>&1
if $cc $ccflags $ldflags -o foobar foo$_o bar$_a $libs > /dev/null 2>&1 &&
./foobar >/dev/null 2>&1; then
echo "$ar appears to generate random libraries itself."
orderlib=false
ranlib=":"
elif $ar ts bar$_a >/dev/null 2>&1 &&
$cc $ccflags $ldflags -o foobar foo$_o bar$_a $libs > /dev/null 2>&1 &&
./foobar >/dev/null 2>&1; then
echo "a table of contents needs to be added with '$ar ts'."
orderlib=false
ranlib="$ar ts"
else
case "$ranlib" in
:) ranlib='';;
'')
ranlib=`./loc ranlib X /usr/bin /bin /usr/local/bin`
$test -f $ranlib || ranlib=''
;;
esac
if $test -n "$ranlib"; then
echo "your system has '$ranlib'; we'll use that."
orderlib=false
else
echo "your system doesn't seem to support random libraries"
echo "so we'll use lorder and tsort to order the libraries."
orderlib=true
ranlib=":"
fi
fi
$rm -f foo* bar*
: check for type of arguments to select.
case "$selecttype" in
'') case "$d_select" in
$define)
echo " "
$cat <<EOM
Checking to see what type of arguments are accepted by select().
EOM
hdrs="$define sys/types.h
$i_systime sys/time.h
$i_sysselct sys/select.h
$d_socket sys/socket.h"
: The first arg can be int, unsigned, or size_t
: The last arg may or may not be 'const'
val=''
: void pointer has been seen but using that
: breaks the selectminbits test
for xxx in 'fd_set *' 'int *'; do
for nfd in 'int' 'size_t' 'unsigned long' 'unsigned' ; do
for tmo in 'struct timeval *' 'const struct timeval *'; do
case "$val" in
'') try="extern select _(($nfd, $xxx, $xxx, $xxx, $tmo));"
if ./protochk "$try" $hdrs; then
echo "Your system accepts $xxx."
val="$xxx"
fi
;;
esac
done
done
done
case "$val" in
'') rp='What is the type for the 2nd, 3rd, and 4th arguments to select?'
case "$d_fd_set" in
$define) dflt="fd_set *" ;;
*) dflt="int *" ;;
esac
. ./myread
val=$ans
;;
esac
selecttype="$val"
;;
*) : no select, so pick a harmless default
selecttype='int *'
;;
esac
;;
esac
: check for the select 'width'
case "$selectminbits" in
'') case "$d_select" in
$define)
$cat <<EOM
Checking to see on how many bits at a time your select() operates...
EOM
$cat >try.c <<EOCP
#include <sys/types.h>
#$i_time I_TIME
#$i_systime I_SYS_TIME
#$i_systimek I_SYS_TIME_KERNEL
#ifdef I_TIME
# include <time.h>
#endif
#ifdef I_SYS_TIME
# ifdef I_SYS_TIME_KERNEL
# define KERNEL
# endif
# include <sys/time.h>
# ifdef I_SYS_TIME_KERNEL
# undef KERNEL
# endif
#endif
#$i_sysselct I_SYS_SELECT
#ifdef I_SYS_SELECT
#include <sys/select.h>
#endif
#$d_socket HAS_SOCKET
#ifdef HAS_SOCKET
# include <sys/socket.h> /* Might include <sys/bsdtypes.h> */
#endif
#include <stdio.h>
$selecttype b;
#define S sizeof(*(b))
#define MINBITS 64
#define NBYTES (S * 8 > MINBITS ? S : MINBITS/8)
#define NBITS (NBYTES * 8)
int main() {
char s[NBYTES];
struct timeval t;
int i;
FILE* fp;
int fd;
fclose(stdin);
fp = fopen("try.c", "r");
if (fp == 0)
exit(1);
fd = fileno(fp);
if (fd < 0)
exit(2);
b = ($selecttype)s;
for (i = 0; i < NBITS; i++)
FD_SET(i, b);
t.tv_sec = 0;
t.tv_usec = 0;
select(fd + 1, b, 0, 0, &t);
for (i = NBITS - 1; i > fd && FD_ISSET(i, b); i--);
printf("%d\n", i + 1);
return 0;
}
EOCP
set try
if eval $compile_ok; then
selectminbits=`./try`
case "$selectminbits" in
'') cat >&4 <<EOM
Cannot figure out on how many bits at a time your select() operates.
I'll play safe and guess it is 32 bits.
EOM
selectminbits=32
bits="32 bits"
;;
1) bits="1 bit" ;;
*) bits="$selectminbits bits" ;;
esac
echo "Your select() operates on $bits at a time." >&4
else
rp='What is the minimum number of bits your select() operates on?'
case "$byteorder" in
1234|12345678) dflt=32 ;;
*) dflt=1 ;;
esac
. ./myread
val=$ans
selectminbits="$val"
fi
$rm -f try.* try
;;
*) : no select, so pick a harmless default
selectminbits='32'
;;
esac
;;
esac
: Trace out the files included by signal.h, then look for SIGxxx names.
: Remove SIGARRAYSIZE used by HPUX.
: Remove SIGSTKSIZE used by Linux.
: Remove SIGSTKSZ used by Posix.
: Remove SIGTYP void lines used by OS2.
: Some cpps, like os390, dont give the file name anywhere
if [ "X$fieldn" = X ]; then
: Just make some guesses. We check them later.
xxx='/usr/include/signal.h /usr/include/sys/signal.h'
else
xxx=`echo '#include <signal.h>' |
$cppstdin $cppminus $cppflags 2>/dev/null |
$grep '^[ ]*#.*include' |
$awk "{print \\$$fieldn}" | $sed 's!"!!g' | $sort | $uniq`
fi
: Check this list of files to be sure we have parsed the cpp output ok.
: This will also avoid potentially non-existent files, such
: as ../foo/bar.h
xxxfiles=''
for xx in $xxx /dev/null ; do
$test -f "$xx" && xxxfiles="$xxxfiles $xx"
done
: If we have found no files, at least try signal.h
case "$xxxfiles" in
'') xxxfiles=`./findhdr signal.h` ;;
esac
xxx=`awk '
$1 ~ /^#define$/ && $2 ~ /^SIG[A-Z0-9]*$/ && $2 !~ /SIGARRAYSIZE/ && $2 !~ /SIGSTKSIZE/ && $2 !~ /SIGSTKSZ/ && $3 !~ /void/ {
print substr($2, 4, 20)
}
$1 == "#" && $2 ~ /^define$/ && $3 ~ /^SIG[A-Z0-9]*$/ && $3 !~ /SIGARRAYSIZE/ && $4 !~ /void/ {
print substr($3, 4, 20)
}' $xxxfiles`
: Append some common names just in case the awk scan failed.
xxx="$xxx ABRT ALRM BUS CANCEL CHLD CLD CONT DIL EMT FPE"
xxx="$xxx FREEZE HUP ILL INT IO IOT KILL LOST LWP PHONE"
xxx="$xxx PIPE POLL PROF PWR QUIT RTMAX RTMIN SEGV STKFLT STOP"
xxx="$xxx SYS TERM THAW TRAP TSTP TTIN TTOU URG USR1 USR2"
xxx="$xxx USR3 USR4 VTALRM WAITING WINCH WIND WINDOW XCPU XFSZ"
: generate a few handy files for later
$cat > signal.c <<'EOCP'
#include <sys/types.h>
#include <signal.h>
#include <stdio.h>
int main() {
/* Strange style to avoid deeply-nested #if/#else/#endif */
#ifndef NSIG
# ifdef _NSIG
# define NSIG (_NSIG)
# endif
#endif
#ifndef NSIG
# ifdef SIGMAX
# define NSIG (SIGMAX+1)
# endif
#endif
#ifndef NSIG
# ifdef SIG_MAX
# define NSIG (SIG_MAX+1)
# endif
#endif
#ifndef NSIG
# ifdef MAXSIG
# define NSIG (MAXSIG+1)
# endif
#endif
#ifndef NSIG
# ifdef MAX_SIG
# define NSIG (MAX_SIG+1)
# endif
#endif
#ifndef NSIG
# ifdef SIGARRAYSIZE
# define NSIG (SIGARRAYSIZE+1) /* Not sure of the +1 */
# endif
#endif
#ifndef NSIG
# ifdef _sys_nsig
# define NSIG (_sys_nsig) /* Solaris 2.5 */
# endif
#endif
/* Default to some arbitrary number that's big enough to get most
of the common signals.
*/
#ifndef NSIG
# define NSIG 50
#endif
printf("NSIG %d\n", NSIG);
#ifndef JUST_NSIG
EOCP
echo $xxx | $tr ' ' $trnl | $sort | $uniq | $awk '
{
printf "#ifdef SIG"; printf $1; printf "\n"
printf "printf(\""; printf $1; printf " %%d\\n\",SIG";
printf $1; printf ");\n"
printf "#endif\n"
}
END {
printf "#endif /* JUST_NSIG */\n";
printf "exit(0);\n}\n";
}
' >>signal.c
$cat >signal.awk <<'EOP'
BEGIN { ndups = 0 }
$1 ~ /^NSIG$/ { nsig = $2 }
($1 !~ /^NSIG$/) && (NF == 2) {
if ($2 > maxsig) { maxsig = $2 }
if (sig_name[$2]) {
dup_name[ndups] = $1
dup_num[ndups] = $2
ndups++
}
else {
sig_name[$2] = $1
sig_num[$2] = $2
}
}
END {
if (nsig == 0) {
nsig = maxsig + 1
}
printf("NSIG %d\n", nsig);
for (n = 1; n < nsig; n++) {
if (sig_name[n]) {
printf("%s %d\n", sig_name[n], sig_num[n])
}
else {
printf("NUM%d %d\n", n, n)
}
}
for (n = 0; n < ndups; n++) {
printf("%s %d\n", dup_name[n], dup_num[n])
}
}
EOP
$cat >signal_cmd <<EOS
$startsh
if $test -s signal.lst; then
echo "Using your existing signal.lst file"
exit 0
fi
xxx="$xxx"
EOS
$cat >>signal_cmd <<'EOS'
set signal
if eval $compile_ok; then
./signal$_exe | $sort -n +1 | $uniq | $awk -f signal.awk >signal.lst
else
echo "(I can't seem be able to compile the whole test program)" >&4
echo "(I'll try it in little pieces.)" >&4
set signal -DJUST_NSIG
if eval $compile_ok; then
./signal$_exe > signal.nsg
$cat signal.nsg
else
echo "I can't seem to figure out how many signals you have." >&4
echo "Guessing 50." >&4
echo 'NSIG 50' > signal.nsg
fi
: Now look at all the signal names, one at a time.
for xx in `echo $xxx | $tr ' ' $trnl | $sort | $uniq`; do
$cat > signal.c <<EOCP
#include <sys/types.h>
#include <signal.h>
#include <stdio.h>
int main() {
printf("$xx %d\n", SIG${xx});
return 0;
}
EOCP
set signal
if eval $compile; then
echo "SIG${xx} found."
./signal$_exe >> signal.ls1
else
echo "SIG${xx} NOT found."
fi
done
if $test -s signal.ls1; then
$cat signal.nsg signal.ls1 |
$sort -n +1 | $uniq | $awk -f signal.awk >signal.lst
fi
fi
if $test -s signal.lst; then
:
else
echo "(AAK! I can't compile the test programs -- Guessing)" >&4
echo 'kill -l' >signal
set X `csh -f <signal`
$rm -f signal
shift
case $# in
0) set HUP INT QUIT ILL TRAP ABRT EMT FPE KILL BUS SEGV SYS PIPE ALRM TERM;;
esac
echo $@ | $tr ' ' $trnl | \
$awk '{ printf "%s %d\n", $1, ++s; }
END { printf "NSIG %d\n", ++s }' >signal.lst
fi
$rm -f signal.c signal$_exe signal$_o signal.nsg signal.ls1
EOS
chmod a+x signal_cmd
$eunicefix signal_cmd
: generate list of signal names
echo " "
case "$sig_name_init" in
'') doinit=yes ;;
*) case "$sig_num_init" in
''|*,*) doinit=yes ;;
esac ;;
esac
case "$doinit" in
yes)
echo "Generating a list of signal names and numbers..." >&4
. ./signal_cmd
sig_count=`$awk '/^NSIG/ { printf "%d", $2 }' signal.lst`
sig_name=`$awk 'BEGIN { printf "ZERO " }
!/^NSIG/ { printf "%s ", $1 }' signal.lst`
sig_num=`$awk 'BEGIN { printf "0 " }
!/^NSIG/ { printf "%d ", $2 }' signal.lst`
sig_name_init=`$awk 'BEGIN { printf "\"ZERO\", " }
!/^NSIG/ { printf "\"%s\", ", $1 }
END { printf "0\n" }' signal.lst`
sig_num_init=`$awk 'BEGIN { printf "0, " }
!/^NSIG/ { printf "%d, ", $2}
END { printf "0\n"}' signal.lst`
;;
esac
echo "The following $sig_count signals are available:"
echo " "
echo $sig_name | $awk \
'BEGIN { linelen = 0 }
{
for (i = 1; i <= NF; i++) {
name = "SIG" $i " "
linelen = linelen + length(name)
if (linelen > 70) {
printf "\n"
linelen = length(name)
}
printf "%s", name
}
printf "\n"
}'
$rm -f signal signal.c signal.awk signal.lst signal_cmd
echo " "
case "$sizetype" in
*_t) zzz="$sizetype" ;;
*) zzz="filesize" ;;
esac
echo "Checking the size of $zzz..." >&4
cat > try.c <<EOCP
#include <sys/types.h>
#include <stdio.h>
int main() {
printf("%d\n", (int)sizeof($sizetype));
exit(0);
}
EOCP
set try
if eval $compile_ok; then
yyy=`./try`
case "$yyy" in
'') sizesize=4
echo "(I can't execute the test program--guessing $sizesize.)" >&4
;;
*) sizesize=$yyy
echo "Your $zzz size is $sizesize bytes."
;;
esac
else
sizesize=4
echo "(I can't compile the test program--guessing $sizesize.)" >&4
fi
: check for socklen_t
echo " "
echo "Checking to see if you have socklen_t..." >&4
$cat >try.c <<EOCP
#include <sys/types.h>
#$d_socket HAS_SOCKET
#ifdef HAS_SOCKET
#include <sys/socket.h>
#endif
int main() { socklen_t x = 16; }
EOCP
set try
if eval $compile; then
val="$define"
echo "You have socklen_t."
else
val="$undef"
echo "You do not have socklen_t."
case "$sizetype" in
size_t) echo "(You do have size_t, that might work. Some people are happy with just an int.)" ;;
esac
fi
$rm -f try try.*
set d_socklen_t
eval $setvar
: check for type of the size argument to socket calls
case "$d_socket" in
"$define")
$cat <<EOM
Checking to see what type is the last argument of accept().
EOM
hdrs="$define sys/types.h $d_socket sys/socket.h"
yyy=''
case "$d_socklen_t" in
"$define") yyy="$yyy socklen_t"
esac
yyy="$yyy $sizetype int long unsigned"
for xxx in $yyy; do
case "$socksizetype" in
'') try="extern int accept(int, struct sockaddr *, $xxx *);"
if ./protochk "$try" $hdrs; then
echo "Your system accepts '$xxx *' for the last argument of accept()."
socksizetype="$xxx"
fi
;;
esac
done
: In case none of those worked, prompt the user.
case "$socksizetype" in
'') rp='What is the type for socket address structure sizes?'
dflt='int'
. ./myread
socksizetype=$ans
;;
esac
;;
*) : no sockets, so pick relatively harmless default
socksizetype='int'
;;
esac
: see what type is used for signed size_t
set ssize_t ssizetype int stdio.h sys/types.h
eval $typedef
dflt="$ssizetype"
$cat > ssize.c <<EOM
#include <stdio.h>
#include <sys/types.h>
#define Size_t $sizetype
#define SSize_t $dflt
int main()
{
if (sizeof(Size_t) == sizeof(SSize_t))
printf("$dflt\n");
else if (sizeof(Size_t) == sizeof(int))
printf("int\n");
else
printf("long\n");
exit(0);
}
EOM
echo " "
set ssize
if eval $compile_ok && ./ssize > /dev/null; then
ssizetype=`./ssize`
echo "I'll be using $ssizetype for functions returning a byte count." >&4
else
$cat >&4 <<EOM
Help! I can't compile and run the ssize_t test program: please enlighten me!
(This is probably a misconfiguration in your system or libraries, and
you really ought to fix it. Still, I'll try anyway.)
I need a type that is the same size as $sizetype, but is guaranteed to
be signed. Common values are ssize_t, int and long.
EOM
rp="What signed type is the same size as $sizetype?"
. ./myread
ssizetype="$ans"
fi
$rm -f ssize ssize.*
: see what type of char stdio uses.
echo " "
if $contains 'unsigned.*char.*_ptr;' `./findhdr stdio.h` >/dev/null 2>&1 ; then
echo "Your stdio uses unsigned chars." >&4
stdchar="unsigned char"
else
echo "Your stdio uses signed chars." >&4
stdchar="char"
fi
: see if time exists
echo " "
if test "X$d_time" = X -o X"$timetype" = X; then
if set time val -f d_time; eval $csym; $val; then
echo 'time() found.' >&4
val="$define"
rp="What is the type returned by time() on this system?"
set time_t timetype long stdio.h sys/types.h
eval $typedef_ask
else
echo 'time() not found, hope that will do.' >&4
val="$undef"
timetype='int';
fi
set d_time
eval $setvar
fi
: see what type uids are declared as in the kernel
echo " "
echo "Looking for the type for user ids returned by getuid()."
set uid_t uidtype xxx stdio.h sys/types.h
eval $typedef
case "$uidtype" in
xxx)
xxx=`./findhdr sys/user.h`
set `grep '_ruid;' "$xxx" 2>/dev/null` unsigned short
case $1 in
unsigned) dflt="$1 $2" ;;
*) dflt="$1" ;;
esac
;;
*) dflt="$uidtype";;
esac
case "$uidtype" in
uid_t) echo "uid_t found." ;;
*) rp="What is the type for user ids returned by getuid()?"
. ./myread
uidtype="$ans"
;;
esac
echo " "
case "$uidtype" in
*_t) zzz="$uidtype" ;;
*) zzz="uid" ;;
esac
echo "Checking the size of $zzz..." >&4
cat > try.c <<EOCP
#include <sys/types.h>
#include <stdio.h>
int main() {
printf("%d\n", (int)sizeof($uidtype));
exit(0);
}
EOCP
set try
if eval $compile_ok; then
yyy=`./try`
case "$yyy" in
'') uidsize=4
echo "(I can't execute the test program--guessing $uidsize.)" >&4
;;
*) uidsize=$yyy
echo "Your $zzz is $uidsize bytes long."
;;
esac
else
uidsize=4
echo "(I can't compile the test program--guessing $uidsize.)" >&4
fi
echo " "
case "$uidtype" in
*_t) zzz="$uidtype" ;;
*) zzz="uid" ;;
esac
echo "Checking the sign of $zzz..." >&4
cat > try.c <<EOCP
#include <sys/types.h>
#include <stdio.h>
int main() {
$uidtype foo = -1;
if (foo < 0)
printf("-1\n");
else
printf("1\n");
}
EOCP
set try
if eval $compile; then
yyy=`./try`
case "$yyy" in
'') uidsign=1
echo "(I can't execute the test program--guessing unsigned.)" >&4
;;
*) uidsign=$yyy
case "$uidsign" in
1) echo "Your $zzz is unsigned." ;;
-1) echo "Your $zzz is signed." ;;
esac
;;
esac
else
uidsign=1
echo "(I can't compile the test program--guessing unsigned.)" >&4
fi
echo " "
$echo "Checking the format string to be used for uids..." >&4
case "$uidsign" in
-1) if $test X"$uidsize" = X"$ivsize"; then
uidformat="$ivdformat"
else
if $test X"$uidsize" = X"$longsize"; then
uidformat='"ld"'
else
if $test X"$uidsize" = X"$intsize"; then
uidformat='"d"'
else
if $test X"$uidsize" = X"$shortsize"; then
uidformat='"hd"'
fi
fi
fi
fi
;;
*) if $test X"$uidsize" = X"$uvsize"; then
uidformat="$uvuformat"
else
if $test X"$uidsize" = X"$longsize"; then
uidformat='"lu"'
else
if $test X"$uidsize" = X"$intsize"; then
uidformat='"u"'
else
if $test X"$uidsize" = X"$shortsize"; then
uidformat='"hu"'
fi
fi
fi
fi
;;
esac
: see if dbm.h is available
: see if dbmclose exists
set dbmclose d_dbmclose
eval $inlibc
case "$d_dbmclose" in
$define)
set dbm.h i_dbm
eval $inhdr
case "$i_dbm" in
$define)
val="$undef"
set i_rpcsvcdbm
eval $setvar
;;
*) set rpcsvc/dbm.h i_rpcsvcdbm
eval $inhdr
;;
esac
;;
*) echo "We won't be including <dbm.h>"
val="$undef"
set i_dbm
eval $setvar
val="$undef"
set i_rpcsvcdbm
eval $setvar
;;
esac
: see if this is a sys/file.h system
val=''
set sys/file.h val
eval $inhdr
: do we need to include sys/file.h ?
case "$val" in
"$define")
echo " "
if $h_sysfile; then
val="$define"
echo "We'll be including <sys/file.h>." >&4
else
val="$undef"
echo "We won't be including <sys/file.h>." >&4
fi
;;
*)
h_sysfile=false
;;
esac
set i_sysfile
eval $setvar
: see if fcntl.h is there
val=''
set fcntl.h val
eval $inhdr
: see if we can include fcntl.h
case "$val" in
"$define")
echo " "
if $h_fcntl; then
val="$define"
echo "We'll be including <fcntl.h>." >&4
else
val="$undef"
if $h_sysfile; then
echo "We don't need to include <fcntl.h> if we include <sys/file.h>." >&4
else
echo "We won't be including <fcntl.h>." >&4
fi
fi
;;
*)
h_fcntl=false
val="$undef"
;;
esac
set i_fcntl
eval $setvar
: see if this is a iconv.h system
set iconv.h i_iconv
eval $inhdr
: see if this is a ieeefp.h system
set ieeefp.h i_ieeefp
eval $inhdr
: see if locale.h is available
set locale.h i_locale
eval $inhdr
: see if mach cthreads are available
if test "X$usethreads" = "X$define"; then
set mach/cthreads.h i_machcthr
eval $inhdr
else
i_machcthr="$undef"
fi
: see if this is a math.h system
set math.h i_math
eval $inhdr
: see if this is a mntent.h system
set mntent.h i_mntent
eval $inhdr
: see if ndbm.h is available
set ndbm.h t_ndbm
eval $inhdr
case "$t_ndbm" in
$define)
: see if dbm_open exists
set dbm_open d_dbm_open
eval $inlibc
case "$d_dbm_open" in
$undef)
t_ndbm="$undef"
echo "We won't be including <ndbm.h>"
;;
esac
;;
esac
val="$t_ndbm"
set i_ndbm
eval $setvar
: see if net/errno.h is available
val=''
set net/errno.h val
eval $inhdr
: Unfortunately, it causes problems on some systems. Arrgh.
case "$val" in
$define)
cat > try.c <<'EOM'
#include <stdio.h>
#include <errno.h>
#include <net/errno.h>
int func()
{
return ENOTSOCK;
}
EOM
if $cc $ccflags -c try.c >/dev/null 2>&1; then
echo "We'll be including <net/errno.h>." >&4
else
echo "We won't be including <net/errno.h>." >&4
val="$undef"
fi
$rm -f try.* try
;;
esac
set i_neterrno
eval $setvar
: see if netinet/tcp.h is available
set netinet/tcp.h i_netinettcp
eval $inhdr
: see if this is a poll.h system
set poll.h i_poll
eval $inhdr
: see if this is a prot.h system
set prot.h i_prot
eval $inhdr
echo " "
$echo "Guessing which symbols your C compiler and preprocessor define..." >&4
$cat <<'EOSH' > Cppsym.know
a29k ABI64 aegis AES_SOURCE AIX AIX32 AIX370
AIX41 AIX42 AIX43 AIX_SOURCE aixpc ALL_SOURCE
alliant alpha am29000 AM29000 amiga AMIGAOS AMIX
ansi ANSI_C_SOURCE apollo ardent atarist att386 att3b BeOS
BIG_ENDIAN BIT_MSF bsd BSD bsd43 bsd4_2 bsd4_3 BSD4_3 bsd4_4
BSD_4_3 BSD_4_4 BSD_NET2 BSD_TIME BSD_TYPES BSDCOMPAT bsdi
bull c cadmus clipper CMU COFF COMPILER_VERSION
concurrent convex cpu cray CRAY CRAYMPP ctix CX_UX
CYGWIN DGUX DGUX_SOURCE DJGPP dmert DOLPHIN DPX2 DSO
Dynix DynixPTX ELF encore EPI EXTENSIONS FILE_OFFSET_BITS
FreeBSD GCC_NEW_VARARGS gcos gcx gimpel
GNU_SOURCE GNUC GNUC_MINOR GO32 gould GOULD_PN
H3050R H3050RX hbullx20 hcx host_mips
hp200 hp300 hp700 HP700 hp800 hp9000
hp9000s200 hp9000s300 hp9000s400 hp9000s500
hp9000s700 hp9000s800 hp9k8 hp_osf hppa hpux HPUX_SOURCE
i186 i286 i386 i486 i586 i686 i8086 i80960 i860 I960
iAPX286 ibm ibm032 ibmesa IBMR2 ibmrt ILP32 ILP64
INLINE_INTRINSICS INTRINSICS INT64 interdata is68k ksr1
LANGUAGE_C LARGE_FILE_API LARGEFILE64_SOURCE
LARGEFILE_SOURCE LFS64_LARGEFILE LFS_LARGEFILE
Linux LITTLE_ENDIAN LONG64 LONG_DOUBLE LONG_LONG
LONGDOUBLE LONGLONG LP64 luna luna88k Lynx
M68000 m68k m88100 m88k M88KBCS_TARGET M_COFF
M_I186 M_I286 M_I386 M_I8086 M_I86 M_I86SM M_SYS3
M_SYS5 M_SYSIII M_SYSV M_UNIX M_XENIX MACH machine MachTen
MATH_HAS_NO_SIDE_EFFECTS
mc300 mc500 mc68000 mc68010 mc68020 mc68030 mc68040
mc68060 mc68k mc68k32 mc700 mc88000 mc88100 merlin
mert MiNT mips MIPS_FPSET MIPS_ISA MIPS_SIM MIPS_SZINT
MIPS_SZLONG MIPS_SZPTR MIPSEB MIPSEL MODERN_C motorola
mpeix MSDOS MTXINU MULTIMAX mvs MVS n16 ncl_el ncl_mr
NetBSD news1500 news1700 news1800 news1900 news3700
news700 news800 news900 NeXT NLS ns16000 ns32000
ns32016 ns32332 ns32k nsc32000
OCS88 OEMVS OpenBSD os OS2 OS390 osf OSF1 OSF_SOURCE
pa_risc PA_RISC1_1 PA_RISC2_0 PARAGON parisc
pc532 pdp11 PGC PIC plexus PORTAR posix
POSIX1B_SOURCE POSIX2_SOURCE POSIX4_SOURCE
POSIX_C_SOURCE POSIX_SOURCE POWER
PROTOTYPES PWB pyr QNX R3000 REENTRANT RES Rhapsody RISC6000
riscix riscos RT scs SCO sequent sgi SGI_SOURCE sinix
SIZE_INT SIZE_LONG SIZE_PTR SOCKET_SOURCE SOCKETS_SOURCE
sony sony_news sonyrisc sparc sparclite spectrum
stardent stdc STDC_EXT stratos sun sun3 sun386
Sun386i svr3 svr4 SVR4_2 SVR4_SOURCE svr5
SX system SYSTYPE_BSD SYSTYPE_BSD43 SYSTYPE_BSD44
SYSTYPE_SVR4 SYSTYPE_SVR5 SYSTYPE_SYSV SYSV SYSV3 SYSV4 SYSV5
sysV68 sysV88 Tek4132 Tek4300 titan
tower tower32 tower32_200 tower32_600 tower32_700
tower32_800 tower32_850 tss
u370 u3b u3b2 u3b20 u3b200 u3b20d u3b5
ultrix UMAXV UnicomPBB UnicomPBD UNICOS UNICOSMK
unix UNIX95 UNIX99 unixpc unos USGr4 USGr4_2
Utek UTek UTS UWIN uxpm uxps vax venix VMESA vms xenix Xenix286
XOPEN_SOURCE XOPEN_SOURCE_EXTENDED XPG2 XPG2_EXTENDED
XPG3 XPG3_EXTENDED XPG4 XPG4_EXTENDED
z8000
EOSH
# Maybe put other stuff here too.
cat <<EOSH >>Cppsym.know
$osname
EOSH
./tr '[a-z]' '[A-Z]' < Cppsym.know > Cppsym.a
./tr '[A-Z]' '[a-z]' < Cppsym.know > Cppsym.b
$cat Cppsym.a Cppsym.b | $tr ' ' $trnl | sort | uniq > Cppsym.know
$rm -f Cppsym.a Cppsym.b
cat <<EOSH > Cppsym
$startsh
if $test \$# -gt 0; then
echo \$* | $tr " " "$trnl" | ./Cppsym.try > Cppsym.got
if $test -s Cppsym.got; then
$rm -f Cppsym.got
exit 0
fi
$rm -f Cppsym.got
exit 1
else
$tr " " "$trnl" | ./Cppsym.try
exit 0
fi
EOSH
chmod +x Cppsym
$eunicefix Cppsym
cat <<EOSH > Cppsym.try
$startsh
cat <<'EOCP' > try.c
#include <stdio.h>
int main() {
EOCP
$awk \\
EOSH
cat <<'EOSH' >> Cppsym.try
'length($1) > 0 {
printf "#ifdef %s\n#if %s+0\nprintf(\"%s=%%ld\\n\", %s);\n#else\nprintf(\"%s\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1
printf "#ifdef _%s\n#if _%s+0\nprintf(\"_%s=%%ld\\n\", _%s);\n#else\nprintf(\"_%s\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1
printf "#ifdef __%s\n#if __%s+0\nprintf(\"__%s=%%ld\\n\", __%s);\n#else\nprintf(\"__%s\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1
printf "#ifdef __%s__\n#if __%s__+0\nprintf(\"__%s__=%%ld\\n\", __%s__);\n#else\nprintf(\"__%s__\\n\");\n#endif\n#endif\n", $1, $1, $1, $1, $1
}' >> try.c
echo '}' >> try.c
EOSH
cat <<EOSH >> Cppsym.try
ccflags="$ccflags"
case "$osname-$gccversion" in
irix-) ccflags="\$ccflags -woff 1178" ;;
esac
$cc $optimize \$ccflags $ldflags -o try try.c $libs && ./try$exe_ext
EOSH
chmod +x Cppsym.try
$eunicefix Cppsym.try
./Cppsym < Cppsym.know > Cppsym.true
: now check the C compiler for additional symbols
postprocess_cc_v=''
case "$osname" in
aix) postprocess_cc_v="|$tr , ' '" ;;
esac
$cat >ccsym <<EOS
$startsh
$cat >tmp.c <<EOF
extern int foo;
EOF
for i in \`$cc -v -c tmp.c 2>&1 $postprocess_cc_v\`
do
case "\$i" in
-D*) echo "\$i" | $sed 's/^-D//';;
-A*) $test "$gccversion" && echo "\$i" | $sed 's/^-A\(.*\)(\(.*\))/\1=\2/';;
esac
done
$rm -f try.c
EOS
postprocess_cc_v=''
chmod +x ccsym
$eunicefix ccsym
./ccsym > ccsym1.raw
if $test -s ccsym1.raw; then
$sort ccsym1.raw | $uniq >ccsym.raw
else
mv ccsym1.raw ccsym.raw
fi
$awk '/\=/ { print $0; next }
{ print $0"=1" }' ccsym.raw >ccsym.list
$awk '/\=/ { print $0; next }
{ print $0"=1" }' Cppsym.true >ccsym.true
$comm -13 ccsym.true ccsym.list >ccsym.own
$comm -12 ccsym.true ccsym.list >ccsym.com
$comm -23 ccsym.true ccsym.list >ccsym.cpp
also=''
if $test -z ccsym.raw; then
echo "Your C compiler doesn't seem to define any symbols!" >&4
echo " "
echo "However, your C preprocessor defines the following symbols:"
$cat Cppsym.true
ccsymbols=''
cppsymbols=`$cat Cppsym.true`
cppsymbols=`echo $cppsymbols`
cppccsymbols="$cppsymbols"
else
if $test -s ccsym.com; then
echo "Your C compiler and pre-processor define these symbols:"
$sed -e 's/\(.*\)=.*/\1/' ccsym.com
also='also '
symbols='ones'
cppccsymbols=`$cat ccsym.com`
cppccsymbols=`echo $cppccsymbols`
$test "$silent" || sleep 1
fi
if $test -s ccsym.cpp; then
$test "$also" && echo " "
echo "Your C pre-processor ${also}defines the following symbols:"
$sed -e 's/\(.*\)=.*/\1/' ccsym.cpp
also='further '
cppsymbols=`$cat ccsym.cpp`
cppsymbols=`echo $cppsymbols`
$test "$silent" || sleep 1
fi
if $test -s ccsym.own; then
$test "$also" && echo " "
echo "Your C compiler ${also}defines the following cpp symbols:"
$sed -e 's/\(.*\)=1/\1/' ccsym.own
$sed -e 's/\(.*\)=.*/\1/' ccsym.own | $uniq >>Cppsym.true
ccsymbols=`$cat ccsym.own`
ccsymbols=`echo $ccsymbols`
$test "$silent" || sleep 1
fi
fi
$rm -f ccsym*
: see if this is a termio system
val="$undef"
val2="$undef"
val3="$undef"
if $test `./findhdr termios.h`; then
set tcsetattr i_termios
eval $inlibc
val3="$i_termios"
fi
echo " "
case "$val3" in
"$define") echo "You have POSIX termios.h... good!" >&4;;
*) if ./Cppsym pyr; then
case "`/bin/universe`" in
ucb) if $test `./findhdr sgtty.h`; then
val2="$define"
echo "<sgtty.h> found." >&4
else
echo "System is pyramid with BSD universe."
echo "<sgtty.h> not found--you could have problems." >&4
fi;;
*) if $test `./findhdr termio.h`; then
val="$define"
echo "<termio.h> found." >&4
else
echo "System is pyramid with USG universe."
echo "<termio.h> not found--you could have problems." >&4
fi;;
esac
elif ./usg; then
if $test `./findhdr termio.h`; then
echo "<termio.h> found." >&4
val="$define"
elif $test `./findhdr sgtty.h`; then
echo "<sgtty.h> found." >&4
val2="$define"
else
echo "Neither <termio.h> nor <sgtty.h> found--you could have problems." >&4
fi
else
if $test `./findhdr sgtty.h`; then
echo "<sgtty.h> found." >&4
val2="$define"
elif $test `./findhdr termio.h`; then
echo "<termio.h> found." >&4
val="$define"
else
echo "Neither <sgtty.h> nor <termio.h> found--you could have problems." >&4
fi
fi;;
esac
set i_termio; eval $setvar
val=$val2; set i_sgtty; eval $setvar
val=$val3; set i_termios; eval $setvar
: see if this is a shadow.h system
set shadow.h i_shadow
eval $inhdr
: see if this is a socks.h system
set socks.h i_socks
eval $inhdr
: see if stdarg is available
echo " "
if $test `./findhdr stdarg.h`; then
echo "<stdarg.h> found." >&4
valstd="$define"
else
echo "<stdarg.h> NOT found." >&4
valstd="$undef"
fi
: see if varags is available
echo " "
if $test `./findhdr varargs.h`; then
echo "<varargs.h> found." >&4
else
echo "<varargs.h> NOT found, but that's ok (I hope)." >&4
fi
: set up the varargs testing programs
$cat > varargs.c <<EOP
#ifdef I_STDARG
#include <stdarg.h>
#endif
#ifdef I_VARARGS
#include <varargs.h>
#endif
#ifdef I_STDARG
int f(char *p, ...)
#else
int f(va_alist)
va_dcl
#endif
{
va_list ap;
#ifndef I_STDARG
char *p;
#endif
#ifdef I_STDARG
va_start(ap,p);
#else
va_start(ap);
p = va_arg(ap, char *);
#endif
va_end(ap);
}
EOP
$cat > varargs <<EOP
$startsh
if $cc -c $ccflags -D\$1 varargs.c >/dev/null 2>&1; then
echo "true"
else
echo "false"
fi
$rm -f varargs$_o
EOP
chmod +x varargs
: now check which varargs header should be included
echo " "
i_varhdr=''
case "$valstd" in
"$define")
if `./varargs I_STDARG`; then
val='stdarg.h'
elif `./varargs I_VARARGS`; then
val='varargs.h'
fi
;;
*)
if `./varargs I_VARARGS`; then
val='varargs.h'
fi
;;
esac
case "$val" in
'')
echo "I could not find the definition for va_dcl... You have problems..." >&4
val="$undef"; set i_stdarg; eval $setvar
val="$undef"; set i_varargs; eval $setvar
;;
*)
set i_varhdr
eval $setvar
case "$i_varhdr" in
stdarg.h)
val="$define"; set i_stdarg; eval $setvar
val="$undef"; set i_varargs; eval $setvar
;;
varargs.h)
val="$undef"; set i_stdarg; eval $setvar
val="$define"; set i_varargs; eval $setvar
;;
esac
echo "We'll include <$i_varhdr> to get va_dcl definition." >&4;;
esac
$rm -f varargs*
: see if stddef is available
set stddef.h i_stddef
eval $inhdr
: see if this is a sunmath.h system
set sunmath.h i_sunmath
eval $inhdr
: see if sys/access.h is available
set sys/access.h i_sysaccess
eval $inhdr
: see if ioctl defs are in sgtty, termio, sys/filio or sys/ioctl
set sys/filio.h i_sysfilio
eval $inhdr
echo " "
if $test `./findhdr sys/ioctl.h`; then
val="$define"
echo '<sys/ioctl.h> found.' >&4
else
val="$undef"
if $test $i_sysfilio = "$define"; then
echo '<sys/ioctl.h> NOT found.' >&4
else
$test $i_sgtty = "$define" && xxx="sgtty.h"
$test $i_termio = "$define" && xxx="termio.h"
$test $i_termios = "$define" && xxx="termios.h"
echo "No <sys/ioctl.h> found, assuming ioctl args are defined in <$xxx>." >&4
fi
fi
set i_sysioctl
eval $setvar
: see if this is a syslog.h system
set syslog.h i_syslog
eval $inhdr
: see if this is a sys/mode.h system
set sys/mode.h i_sysmode
eval $inhdr
: see if sys/resource.h has to be included
set sys/resource.h i_sysresrc
eval $inhdr
: see if sys/security.h is available
set sys/security.h i_syssecrt
eval $inhdr
: see if this is a sys/statvfs.h system
set sys/statvfs.h i_sysstatvfs
eval $inhdr
: see if this is a sys/uio.h system
set sys/uio.h i_sysuio
eval $inhdr
: see if this is a sys/un.h system
set sys/un.h i_sysun
eval $inhdr
: see if this is a sys/utsname.h system
set sys/utsname.h i_sysutsname
eval $inhdr
: see if this is a syswait system
set sys/wait.h i_syswait
eval $inhdr
: see if this is a ustat.h system
set ustat.h i_ustat
eval $inhdr
: see if this is an utime system
set utime.h i_utime
eval $inhdr
: see if this is a values.h system
set values.h i_values
eval $inhdr
: see if this is a vfork system
case "$d_vfork" in
"$define")
set vfork.h i_vfork
eval $inhdr
;;
*)
i_vfork="$undef"
;;
esac
: see if gdbm.h is available
set gdbm.h t_gdbm
eval $inhdr
case "$t_gdbm" in
$define)
: see if gdbm_open exists
set gdbm_open d_gdbm_open
eval $inlibc
case "$d_gdbm_open" in
$undef)
t_gdbm="$undef"
echo "We won't be including <gdbm.h>"
;;
esac
;;
esac
val="$t_gdbm"
set i_gdbm
eval $setvar
echo " "
echo "Looking for extensions..." >&4
: If we are using the old config.sh, known_extensions may contain
: old or inaccurate or duplicate values.
known_extensions=''
nonxs_extensions=''
: We do not use find because it might not be available.
: We do not just use MANIFEST because the user may have dropped
: some additional extensions into the source tree and expect them
: to be built.
: Function to recursively find available extensions, ignoring DynaLoader
: NOTE: recursion limit of 10 to prevent runaway in case of symlink madness
find_extensions='
for xxx in *; do
case "$xxx" in
DynaLoader|dynaload) ;;
*)
if $test -f $xxx/$xxx.xs; then
known_extensions="$known_extensions $1$xxx";
elif $test -f $xxx/Makefile.PL; then
nonxs_extensions="$nonxs_extensions $1$xxx";
else
if $test -d $xxx -a $# -lt 10; then
set $1$xxx/ $*;
cd $xxx;
eval $find_extensions;
cd ..;
shift;
fi;
fi
;;
esac;
done'
tdir=`pwd`
cd $rsrc/ext
set X
shift
eval $find_extensions
set X $nonxs_extensions
shift
nonxs_extensions="$*"
set X $known_extensions
shift
known_extensions="$*"
cd $tdir
: Now see which are supported on this system.
avail_ext=''
for xxx in $known_extensions ; do
case "$xxx" in
DB_File|db_file)
case "$i_db" in
$define) avail_ext="$avail_ext $xxx" ;;
esac
;;
GDBM_File|gdbm_fil)
case "$i_gdbm" in
$define) avail_ext="$avail_ext $xxx" ;;
esac
;;
NDBM_File|ndbm_fil)
case "$i_ndbm" in
$define)
case "$osname-$use64bitint" in
hpux-define)
case "$libs" in
*-lndbm*) avail_ext="$avail_ext $xxx" ;;
esac
;;
*) avail_ext="$avail_ext $xxx" ;;
esac
;;
esac
;;
ODBM_File|odbm_fil)
case "${i_dbm}${i_rpcsvcdbm}" in
*"${define}"*)
case "$osname-$use64bitint" in
hpux-define)
case "$libs" in
*-ldbm*) avail_ext="$avail_ext $xxx" ;;
esac
;;
*) avail_ext="$avail_ext $xxx" ;;
esac
;;
esac
;;
POSIX|posix)
case "$useposix" in
true|define|y) avail_ext="$avail_ext $xxx" ;;
esac
;;
Opcode|opcode)
case "$useopcode" in
true|define|y) avail_ext="$avail_ext $xxx" ;;
esac
;;
Socket|socket)
case "$d_socket" in
true|$define|y) avail_ext="$avail_ext $xxx" ;;
esac
;;
Thread|thread)
case "$usethreads" in
true|$define|y) avail_ext="$avail_ext $xxx" ;;
esac
;;
IPC/SysV|ipc/sysv)
: XXX Do we need a useipcsysv variable here
case "${d_msg}${d_sem}${d_shm}" in
*"${define}"*) avail_ext="$avail_ext $xxx" ;;
esac
;;
*) avail_ext="$avail_ext $xxx"
;;
esac
done
set X $avail_ext
shift
avail_ext="$*"
: Now see which nonxs extensions are supported on this system.
: For now assume all are.
nonxs_ext=''
for xxx in $nonxs_extensions ; do
case "$xxx" in
*) nonxs_ext="$nonxs_ext $xxx"
;;
esac
done
set X $nonxs_ext
shift
nonxs_ext="$*"
case $usedl in
$define)
$cat <<EOM
A number of extensions are supplied with $package. You may choose to
compile these extensions for dynamic loading (the default), compile
them into the $package executable (static loading), or not include
them at all. Answer "none" to include no extensions.
Note that DynaLoader is always built and need not be mentioned here.
EOM
case "$dynamic_ext" in
'') dflt="$avail_ext" ;;
*) dflt="$dynamic_ext"
# Perhaps we are reusing an old out-of-date config.sh.
case "$hint" in
previous)
if test X"$dynamic_ext" != X"$avail_ext"; then
$cat <<EOM
NOTICE: Your previous config.sh list may be incorrect.
The extensions now available to you are
${avail_ext}
but the default list from your previous config.sh is
${dynamic_ext}
EOM
fi
;;
esac
;;
esac
case "$dflt" in
'') dflt=none;;
esac
rp="What extensions do you wish to load dynamically?"
. ./myread
case "$ans" in
none) dynamic_ext=' ' ;;
*) dynamic_ext="$ans" ;;
esac
case "$static_ext" in
'')
: Exclude those already listed in dynamic linking
dflt=''
for xxx in $avail_ext; do
case " $dynamic_ext " in
*" $xxx "*) ;;
*) dflt="$dflt $xxx" ;;
esac
done
set X $dflt
shift
dflt="$*"
;;
*) dflt="$static_ext"
;;
esac
case "$dflt" in
'') dflt=none;;
esac
rp="What extensions do you wish to load statically?"
. ./myread
case "$ans" in
none) static_ext=' ' ;;
*) static_ext="$ans" ;;
esac
;;
*)
$cat <<EOM
A number of extensions are supplied with $package. Answer "none"
to include no extensions.
Note that DynaLoader is always built and need not be mentioned here.
EOM
case "$static_ext" in
'') dflt="$avail_ext" ;;
*) dflt="$static_ext"
# Perhaps we are reusing an old out-of-date config.sh.
case "$hint" in
previous)
if test X"$static_ext" != X"$avail_ext"; then
$cat <<EOM
NOTICE: Your previous config.sh list may be incorrect.
The extensions now available to you are
${avail_ext}
but the default list from your previous config.sh is
${static_ext}
EOM
fi
;;
esac
;;
esac
: Exclude those that are not xs extensions
case "$dflt" in
'') dflt=none;;
esac
rp="What extensions do you wish to include?"
. ./myread
case "$ans" in
none) static_ext=' ' ;;
*) static_ext="$ans" ;;
esac
;;
esac
set X $dynamic_ext $static_ext $nonxs_ext
shift
extensions="$*"
: Remove build directory name from cppstdin so it can be used from
: either the present location or the final installed location.
echo " "
: Get out of the UU directory to get correct path name.
cd ..
case "$cppstdin" in
`pwd`/cppstdin)
echo "Stripping down cppstdin path name"
cppstdin=cppstdin
;;
esac
cd UU
: end of configuration questions
echo " "
echo "End of configuration questions."
echo " "
: back to where it started
if test -d ../UU; then
cd ..
fi
: configuration may be patched via a 'config.over' file
if $test -f config.over; then
echo " "
dflt=y
rp='I see a config.over file. Do you wish to load it?'
. UU/myread
case "$ans" in
n*) echo "OK, I'll ignore it.";;
*) . ./config.over
echo "Configuration override changes have been loaded."
;;
esac
fi
: in case they want portability, strip down executable paths
case "$d_portable" in
"$define")
echo " "
echo "Stripping down executable paths..." >&4
for file in $loclist $trylist; do
eval temp=\$$file
eval $file=`basename $temp`
done
;;
esac
: create config.sh file
echo " "
echo "Creating config.sh..." >&4
$spitshell <<EOT >config.sh
$startsh
#
# This file was produced by running the Configure script. It holds all the
# definitions figured out by Configure. Should you modify one of these values,
# do not forget to propagate your changes by running "Configure -der". You may
# instead choose to run each of the .SH files by yourself, or "Configure -S".
#
# Package name : $package
# Source directory : $src
# Configuration time: $cf_time
# Configured by : $cf_by
# Target system : $myuname
Author='$Author'
Date='$Date'
Header='$Header'
Id='$Id'
Locker='$Locker'
Log='$Log'
Mcc='$Mcc'
RCSfile='$RCSfile'
Revision='$Revision'
Source='$Source'
State='$State'
_a='$_a'
_exe='$_exe'
_o='$_o'
afs='$afs'
alignbytes='$alignbytes'
ansi2knr='$ansi2knr'
aphostname='$aphostname'
api_revision='$api_revision'
api_subversion='$api_subversion'
api_version='$api_version'
api_versionstring='$api_versionstring'
ar='$ar'
archlib='$archlib'
archlibexp='$archlibexp'
archname64='$archname64'
archname='$archname'
archobjs='$archobjs'
awk='$awk'
baserev='$baserev'
bash='$bash'
bin='$bin'
bincompat5005='$bincompat5005'
binexp='$binexp'
bison='$bison'
byacc='$byacc'
byteorder='$byteorder'
c='$c'
castflags='$castflags'
cat='$cat'
cc='$cc'
cccdlflags='$cccdlflags'
ccdlflags='$ccdlflags'
ccflags='$ccflags'
ccsymbols='$ccsymbols'
cf_by='$cf_by'
cf_email='$cf_email'
cf_time='$cf_time'
charsize='$charsize'
chgrp='$chgrp'
chmod='$chmod'
chown='$chown'
clocktype='$clocktype'
comm='$comm'
compress='$compress'
contains='$contains'
cp='$cp'
cpio='$cpio'
cpp='$cpp'
cpp_stuff='$cpp_stuff'
cppccsymbols='$cppccsymbols'
cppflags='$cppflags'
cpplast='$cpplast'
cppminus='$cppminus'
cpprun='$cpprun'
cppstdin='$cppstdin'
cppsymbols='$cppsymbols'
crosscompile='$crosscompile'
cryptlib='$cryptlib'
csh='$csh'
d_Gconvert='$d_Gconvert'
d_PRIEldbl='$d_PRIEldbl'
d_PRIFldbl='$d_PRIFldbl'
d_PRIGldbl='$d_PRIGldbl'
d_PRIX64='$d_PRIX64'
d_PRId64='$d_PRId64'
d_PRIeldbl='$d_PRIeldbl'
d_PRIfldbl='$d_PRIfldbl'
d_PRIgldbl='$d_PRIgldbl'
d_PRIi64='$d_PRIi64'
d_PRIo64='$d_PRIo64'
d_PRIu64='$d_PRIu64'
d_PRIx64='$d_PRIx64'
d_access='$d_access'
d_accessx='$d_accessx'
d_alarm='$d_alarm'
d_archlib='$d_archlib'
d_atolf='$d_atolf'
d_atoll='$d_atoll'
d_attribut='$d_attribut'
d_bcmp='$d_bcmp'
d_bcopy='$d_bcopy'
d_bincompat5005='$d_bincompat5005'
d_bsd='$d_bsd'
d_bsdgetpgrp='$d_bsdgetpgrp'
d_bsdsetpgrp='$d_bsdsetpgrp'
d_bzero='$d_bzero'
d_casti32='$d_casti32'
d_castneg='$d_castneg'
d_charvspr='$d_charvspr'
d_chown='$d_chown'
d_chroot='$d_chroot'
d_chsize='$d_chsize'
d_closedir='$d_closedir'
d_const='$d_const'
d_crypt='$d_crypt'
d_csh='$d_csh'
d_cuserid='$d_cuserid'
d_dbl_dig='$d_dbl_dig'
d_difftime='$d_difftime'
d_dirnamlen='$d_dirnamlen'
d_dlerror='$d_dlerror'
d_dlopen='$d_dlopen'
d_dlsymun='$d_dlsymun'
d_dosuid='$d_dosuid'
d_drand48proto='$d_drand48proto'
d_dup2='$d_dup2'
d_eaccess='$d_eaccess'
d_endgrent='$d_endgrent'
d_endhent='$d_endhent'
d_endnent='$d_endnent'
d_endpent='$d_endpent'
d_endpwent='$d_endpwent'
d_endsent='$d_endsent'
d_eofnblk='$d_eofnblk'
d_eunice='$d_eunice'
d_fchmod='$d_fchmod'
d_fchown='$d_fchown'
d_fcntl='$d_fcntl'
d_fd_macros='$d_fd_macros'
d_fd_set='$d_fd_set'
d_fds_bits='$d_fds_bits'
d_fgetpos='$d_fgetpos'
d_flexfnam='$d_flexfnam'
d_flock='$d_flock'
d_fork='$d_fork'
d_fpathconf='$d_fpathconf'
d_fpos64_t='$d_fpos64_t'
d_frexpl='$d_frexpl'
d_fs_data_s='$d_fs_data_s'
d_fseeko='$d_fseeko'
d_fsetpos='$d_fsetpos'
d_fstatfs='$d_fstatfs'
d_fstatvfs='$d_fstatvfs'
d_ftello='$d_ftello'
d_ftime='$d_ftime'
d_getcwd='$d_getcwd'
d_getespwnam='$d_getespwnam'
d_getfsstat='$d_getfsstat'
d_getgrent='$d_getgrent'
d_getgrps='$d_getgrps'
d_gethbyaddr='$d_gethbyaddr'
d_gethbyname='$d_gethbyname'
d_gethent='$d_gethent'
d_gethname='$d_gethname'
d_gethostprotos='$d_gethostprotos'
d_getlogin='$d_getlogin'
d_getmnt='$d_getmnt'
d_getmntent='$d_getmntent'
d_getnbyaddr='$d_getnbyaddr'
d_getnbyname='$d_getnbyname'
d_getnent='$d_getnent'
d_getnetprotos='$d_getnetprotos'
d_getpbyname='$d_getpbyname'
d_getpbynumber='$d_getpbynumber'
d_getpent='$d_getpent'
d_getpgid='$d_getpgid'
d_getpgrp2='$d_getpgrp2'
d_getpgrp='$d_getpgrp'
d_getppid='$d_getppid'
d_getprior='$d_getprior'
d_getprotoprotos='$d_getprotoprotos'
d_getprpwnam='$d_getprpwnam'
d_getpwent='$d_getpwent'
d_getsbyname='$d_getsbyname'
d_getsbyport='$d_getsbyport'
d_getsent='$d_getsent'
d_getservprotos='$d_getservprotos'
d_getspnam='$d_getspnam'
d_gettimeod='$d_gettimeod'
d_gnulibc='$d_gnulibc'
d_grpasswd='$d_grpasswd'
d_hasmntopt='$d_hasmntopt'
d_htonl='$d_htonl'
d_iconv='$d_iconv'
d_index='$d_index'
d_inetaton='$d_inetaton'
d_int64_t='$d_int64_t'
d_isascii='$d_isascii'
d_isnan='$d_isnan'
d_isnanl='$d_isnanl'
d_killpg='$d_killpg'
d_lchown='$d_lchown'
d_ldbl_dig='$d_ldbl_dig'
d_link='$d_link'
d_locconv='$d_locconv'
d_lockf='$d_lockf'
d_longdbl='$d_longdbl'
d_longlong='$d_longlong'
d_lseekproto='$d_lseekproto'
d_lstat='$d_lstat'
d_madvise='$d_madvise'
d_mblen='$d_mblen'
d_mbstowcs='$d_mbstowcs'
d_mbtowc='$d_mbtowc'
d_memchr='$d_memchr'
d_memcmp='$d_memcmp'
d_memcpy='$d_memcpy'
d_memmove='$d_memmove'
d_memset='$d_memset'
d_mkdir='$d_mkdir'
d_mkdtemp='$d_mkdtemp'
d_mkfifo='$d_mkfifo'
d_mkstemp='$d_mkstemp'
d_mkstemps='$d_mkstemps'
d_mktime='$d_mktime'
d_mmap='$d_mmap'
d_modfl='$d_modfl'
d_mprotect='$d_mprotect'
d_msg='$d_msg'
d_msg_ctrunc='$d_msg_ctrunc'
d_msg_dontroute='$d_msg_dontroute'
d_msg_oob='$d_msg_oob'
d_msg_peek='$d_msg_peek'
d_msg_proxy='$d_msg_proxy'
d_msgctl='$d_msgctl'
d_msgget='$d_msgget'
d_msgrcv='$d_msgrcv'
d_msgsnd='$d_msgsnd'
d_msync='$d_msync'
d_munmap='$d_munmap'
d_mymalloc='$d_mymalloc'
d_nice='$d_nice'
d_nv_preserves_uv='$d_nv_preserves_uv'
d_nv_preserves_uv_bits='$d_nv_preserves_uv_bits'
d_off64_t='$d_off64_t'
d_old_pthread_create_joinable='$d_old_pthread_create_joinable'
d_oldpthreads='$d_oldpthreads'
d_oldsock='$d_oldsock'
d_open3='$d_open3'
d_pathconf='$d_pathconf'
d_pause='$d_pause'
d_perl_otherlibdirs='$d_perl_otherlibdirs'
d_phostname='$d_phostname'
d_pipe='$d_pipe'
d_poll='$d_poll'
d_portable='$d_portable'
d_pthread_yield='$d_pthread_yield'
d_pwage='$d_pwage'
d_pwchange='$d_pwchange'
d_pwclass='$d_pwclass'
d_pwcomment='$d_pwcomment'
d_pwexpire='$d_pwexpire'
d_pwgecos='$d_pwgecos'
d_pwpasswd='$d_pwpasswd'
d_pwquota='$d_pwquota'
d_qgcvt='$d_qgcvt'
d_quad='$d_quad'
d_readdir='$d_readdir'
d_readlink='$d_readlink'
d_rename='$d_rename'
d_rewinddir='$d_rewinddir'
d_rmdir='$d_rmdir'
d_safebcpy='$d_safebcpy'
d_safemcpy='$d_safemcpy'
d_sanemcmp='$d_sanemcmp'
d_sched_yield='$d_sched_yield'
d_scm_rights='$d_scm_rights'
d_seekdir='$d_seekdir'
d_select='$d_select'
d_sem='$d_sem'
d_semctl='$d_semctl'
d_semctl_semid_ds='$d_semctl_semid_ds'
d_semctl_semun='$d_semctl_semun'
d_semget='$d_semget'
d_semop='$d_semop'
d_setegid='$d_setegid'
d_seteuid='$d_seteuid'
d_setgrent='$d_setgrent'
d_setgrps='$d_setgrps'
d_sethent='$d_sethent'
d_setlinebuf='$d_setlinebuf'
d_setlocale='$d_setlocale'
d_setnent='$d_setnent'
d_setpent='$d_setpent'
d_setpgid='$d_setpgid'
d_setpgrp2='$d_setpgrp2'
d_setpgrp='$d_setpgrp'
d_setprior='$d_setprior'
d_setpwent='$d_setpwent'
d_setregid='$d_setregid'
d_setresgid='$d_setresgid'
d_setresuid='$d_setresuid'
d_setreuid='$d_setreuid'
d_setrgid='$d_setrgid'
d_setruid='$d_setruid'
d_setsent='$d_setsent'
d_setsid='$d_setsid'
d_setvbuf='$d_setvbuf'
d_sfio='$d_sfio'
d_shm='$d_shm'
d_shmat='$d_shmat'
d_shmatprototype='$d_shmatprototype'
d_shmctl='$d_shmctl'
d_shmdt='$d_shmdt'
d_shmget='$d_shmget'
d_sigaction='$d_sigaction'
d_sigsetjmp='$d_sigsetjmp'
d_socket='$d_socket'
d_socklen_t='$d_socklen_t'
d_sockpair='$d_sockpair'
d_sqrtl='$d_sqrtl'
d_statblks='$d_statblks'
d_statfs_f_flags='$d_statfs_f_flags'
d_statfs_s='$d_statfs_s'
d_statvfs='$d_statvfs'
d_stdio_cnt_lval='$d_stdio_cnt_lval'
d_stdio_ptr_lval='$d_stdio_ptr_lval'
d_stdio_stream_array='$d_stdio_stream_array'
d_stdiobase='$d_stdiobase'
d_stdstdio='$d_stdstdio'
d_strchr='$d_strchr'
d_strcoll='$d_strcoll'
d_strctcpy='$d_strctcpy'
d_strerrm='$d_strerrm'
d_strerror='$d_strerror'
d_strtod='$d_strtod'
d_strtol='$d_strtol'
d_strtold='$d_strtold'
d_strtoll='$d_strtoll'
d_strtoul='$d_strtoul'
d_strtoull='$d_strtoull'
d_strtouq='$d_strtouq'
d_strxfrm='$d_strxfrm'
d_suidsafe='$d_suidsafe'
d_symlink='$d_symlink'
d_syscall='$d_syscall'
d_sysconf='$d_sysconf'
d_sysernlst='$d_sysernlst'
d_syserrlst='$d_syserrlst'
d_system='$d_system'
d_tcgetpgrp='$d_tcgetpgrp'
d_tcsetpgrp='$d_tcsetpgrp'
d_telldir='$d_telldir'
d_telldirproto='$d_telldirproto'
d_time='$d_time'
d_times='$d_times'
d_truncate='$d_truncate'
d_tzname='$d_tzname'
d_umask='$d_umask'
d_uname='$d_uname'
d_union_semun='$d_union_semun'
d_ustat='$d_ustat'
d_vendorarch='$d_vendorarch'
d_vendorbin='$d_vendorbin'
d_vendorlib='$d_vendorlib'
d_vfork='$d_vfork'
d_void_closedir='$d_void_closedir'
d_voidsig='$d_voidsig'
d_voidtty='$d_voidtty'
d_volatile='$d_volatile'
d_vprintf='$d_vprintf'
d_wait4='$d_wait4'
d_waitpid='$d_waitpid'
d_wcstombs='$d_wcstombs'
d_wctomb='$d_wctomb'
d_xenix='$d_xenix'
date='$date'
db_hashtype='$db_hashtype'
db_prefixtype='$db_prefixtype'
defvoidused='$defvoidused'
direntrytype='$direntrytype'
dlext='$dlext'
dlsrc='$dlsrc'
doublesize='$doublesize'
drand01='$drand01'
dynamic_ext='$dynamic_ext'
eagain='$eagain'
ebcdic='$ebcdic'
echo='$echo'
egrep='$egrep'
emacs='$emacs'
eunicefix='$eunicefix'
exe_ext='$exe_ext'
expr='$expr'
extensions='$extensions'
fflushNULL='$fflushNULL'
fflushall='$fflushall'
find='$find'
firstmakefile='$firstmakefile'
flex='$flex'
fpossize='$fpossize'
fpostype='$fpostype'
freetype='$freetype'
full_ar='$full_ar'
full_csh='$full_csh'
full_sed='$full_sed'
gccversion='$gccversion'
gidformat='$gidformat'
gidsign='$gidsign'
gidsize='$gidsize'
gidtype='$gidtype'
glibpth='$glibpth'
grep='$grep'
groupcat='$groupcat'
groupstype='$groupstype'
gzip='$gzip'
h_fcntl='$h_fcntl'
h_sysfile='$h_sysfile'
hint='$hint'
hostcat='$hostcat'
huge='$huge'
i16size='$i16size'
i16type='$i16type'
i32size='$i32size'
i32type='$i32type'
i64size='$i64size'
i64type='$i64type'
i8size='$i8size'
i8type='$i8type'
i_arpainet='$i_arpainet'
i_bsdioctl='$i_bsdioctl'
i_db='$i_db'
i_dbm='$i_dbm'
i_dirent='$i_dirent'
i_dld='$i_dld'
i_dlfcn='$i_dlfcn'
i_fcntl='$i_fcntl'
i_float='$i_float'
i_gdbm='$i_gdbm'
i_grp='$i_grp'
i_iconv='$i_iconv'
i_ieeefp='$i_ieeefp'
i_inttypes='$i_inttypes'
i_limits='$i_limits'
i_locale='$i_locale'
i_machcthr='$i_machcthr'
i_malloc='$i_malloc'
i_math='$i_math'
i_memory='$i_memory'
i_mntent='$i_mntent'
i_ndbm='$i_ndbm'
i_netdb='$i_netdb'
i_neterrno='$i_neterrno'
i_netinettcp='$i_netinettcp'
i_niin='$i_niin'
i_poll='$i_poll'
i_prot='$i_prot'
i_pthread='$i_pthread'
i_pwd='$i_pwd'
i_rpcsvcdbm='$i_rpcsvcdbm'
i_sfio='$i_sfio'
i_sgtty='$i_sgtty'
i_shadow='$i_shadow'
i_socks='$i_socks'
i_stdarg='$i_stdarg'
i_stddef='$i_stddef'
i_stdlib='$i_stdlib'
i_string='$i_string'
i_sunmath='$i_sunmath'
i_sysaccess='$i_sysaccess'
i_sysdir='$i_sysdir'
i_sysfile='$i_sysfile'
i_sysfilio='$i_sysfilio'
i_sysin='$i_sysin'
i_sysioctl='$i_sysioctl'
i_syslog='$i_syslog'
i_sysmman='$i_sysmman'
i_sysmode='$i_sysmode'
i_sysmount='$i_sysmount'
i_sysndir='$i_sysndir'
i_sysparam='$i_sysparam'
i_sysresrc='$i_sysresrc'
i_syssecrt='$i_syssecrt'
i_sysselct='$i_sysselct'
i_syssockio='$i_syssockio'
i_sysstat='$i_sysstat'
i_sysstatfs='$i_sysstatfs'
i_sysstatvfs='$i_sysstatvfs'
i_systime='$i_systime'
i_systimek='$i_systimek'
i_systimes='$i_systimes'
i_systypes='$i_systypes'
i_sysuio='$i_sysuio'
i_sysun='$i_sysun'
i_sysutsname='$i_sysutsname'
i_sysvfs='$i_sysvfs'
i_syswait='$i_syswait'
i_termio='$i_termio'
i_termios='$i_termios'
i_time='$i_time'
i_unistd='$i_unistd'
i_ustat='$i_ustat'
i_utime='$i_utime'
i_values='$i_values'
i_varargs='$i_varargs'
i_varhdr='$i_varhdr'
i_vfork='$i_vfork'
ignore_versioned_solibs='$ignore_versioned_solibs'
inc_version_list='$inc_version_list'
inc_version_list_init='$inc_version_list_init'
incpath='$incpath'
inews='$inews'
installarchlib='$installarchlib'
installbin='$installbin'
installman1dir='$installman1dir'
installman3dir='$installman3dir'
installprefix='$installprefix'
installprefixexp='$installprefixexp'
installprivlib='$installprivlib'
installscript='$installscript'
installsitearch='$installsitearch'
installsitebin='$installsitebin'
installsitelib='$installsitelib'
installstyle='$installstyle'
installusrbinperl='$installusrbinperl'
installvendorarch='$installvendorarch'
installvendorbin='$installvendorbin'
installvendorlib='$installvendorlib'
intsize='$intsize'
ivdformat='$ivdformat'
ivsize='$ivsize'
ivtype='$ivtype'
known_extensions='$known_extensions'
ksh='$ksh'
large='$large'
ld='$ld'
lddlflags='$lddlflags'
ldflags='$ldflags'
ldlibpthname='$ldlibpthname'
less='$less'
lib_ext='$lib_ext'
libc='$libc'
libperl='$libperl'
libpth='$libpth'
libs='$libs'
libsdirs='$libsdirs'
libsfiles='$libsfiles'
libsfound='$libsfound'
libspath='$libspath'
libswanted='$libswanted'
line='$line'
lint='$lint'
lkflags='$lkflags'
ln='$ln'
lns='$lns'
locincpth='$locincpth'
loclibpth='$loclibpth'
longdblsize='$longdblsize'
longlongsize='$longlongsize'
longsize='$longsize'
lp='$lp'
lpr='$lpr'
ls='$ls'
lseeksize='$lseeksize'
lseektype='$lseektype'
mail='$mail'
mailx='$mailx'
make='$make'
make_set_make='$make_set_make'
mallocobj='$mallocobj'
mallocsrc='$mallocsrc'
malloctype='$malloctype'
man1dir='$man1dir'
man1direxp='$man1direxp'
man1ext='$man1ext'
man3dir='$man3dir'
man3direxp='$man3direxp'
man3ext='$man3ext'
medium='$medium'
mips_type='$mips_type'
mkdir='$mkdir'
mmaptype='$mmaptype'
models='$models'
modetype='$modetype'
more='$more'
multiarch='$multiarch'
mv='$mv'
myarchname='$myarchname'
mydomain='$mydomain'
myhostname='$myhostname'
myuname='$myuname'
n='$n'
netdb_hlen_type='$netdb_hlen_type'
netdb_host_type='$netdb_host_type'
netdb_name_type='$netdb_name_type'
netdb_net_type='$netdb_net_type'
nm='$nm'
nm_opt='$nm_opt'
nm_so_opt='$nm_so_opt'
nonxs_ext='$nonxs_ext'
nroff='$nroff'
nvsize='$nvsize'
nvtype='$nvtype'
o_nonblock='$o_nonblock'
obj_ext='$obj_ext'
old_pthread_create_joinable='$old_pthread_create_joinable'
optimize='$optimize'
orderlib='$orderlib'
osname='$osname'
osvers='$osvers'
otherlibdirs='$otherlibdirs'
package='$package'
pager='$pager'
passcat='$passcat'
patchlevel='$patchlevel'
path_sep='$path_sep'
perl5='$perl5'
perl='$perl'
perladmin='$perladmin'
perlpath='$perlpath'
pg='$pg'
phostname='$phostname'
pidtype='$pidtype'
plibpth='$plibpth'
pm_apiversion='$pm_apiversion'
pmake='$pmake'
pr='$pr'
prefix='$prefix'
prefixexp='$prefixexp'
privlib='$privlib'
privlibexp='$privlibexp'
prototype='$prototype'
ptrsize='$ptrsize'
quadkind='$quadkind'
quadtype='$quadtype'
randbits='$randbits'
randfunc='$randfunc'
randseedtype='$randseedtype'
ranlib='$ranlib'
rd_nodata='$rd_nodata'
revision='$revision'
rm='$rm'
rmail='$rmail'
runnm='$runnm'
sPRIEldbl='$sPRIEldbl'
sPRIFldbl='$sPRIFldbl'
sPRIGldbl='$sPRIGldbl'
sPRIX64='$sPRIX64'
sPRId64='$sPRId64'
sPRIeldbl='$sPRIeldbl'
sPRIfldbl='$sPRIfldbl'
sPRIgldbl='$sPRIgldbl'
sPRIi64='$sPRIi64'
sPRIo64='$sPRIo64'
sPRIu64='$sPRIu64'
sPRIx64='$sPRIx64'
sched_yield='$sched_yield'
scriptdir='$scriptdir'
scriptdirexp='$scriptdirexp'
sed='$sed'
seedfunc='$seedfunc'
selectminbits='$selectminbits'
selecttype='$selecttype'
sendmail='$sendmail'
sh='$sh'
shar='$shar'
sharpbang='$sharpbang'
shmattype='$shmattype'
shortsize='$shortsize'
shrpenv='$shrpenv'
shsharp='$shsharp'
sig_count='$sig_count'
sig_name='$sig_name'
sig_name_init='$sig_name_init'
sig_num='$sig_num'
sig_num_init='$sig_num_init'
signal_t='$signal_t'
sitearch='$sitearch'
sitearchexp='$sitearchexp'
sitebin='$sitebin'
sitebinexp='$sitebinexp'
sitelib='$sitelib'
sitelib_stem='$sitelib_stem'
sitelibexp='$sitelibexp'
siteprefix='$siteprefix'
siteprefixexp='$siteprefixexp'
sizesize='$sizesize'
sizetype='$sizetype'
sleep='$sleep'
smail='$smail'
small='$small'
so='$so'
sockethdr='$sockethdr'
socketlib='$socketlib'
socksizetype='$socksizetype'
sort='$sort'
spackage='$spackage'
spitshell='$spitshell'
split='$split'
src='$src'
ssizetype='$ssizetype'
startperl='$startperl'
startsh='$startsh'
static_ext='$static_ext'
stdchar='$stdchar'
stdio_base='$stdio_base'
stdio_bufsiz='$stdio_bufsiz'
stdio_cnt='$stdio_cnt'
stdio_filbuf='$stdio_filbuf'
stdio_ptr='$stdio_ptr'
stdio_stream_array='$stdio_stream_array'
strings='$strings'
submit='$submit'
subversion='$subversion'
sysman='$sysman'
tail='$tail'
tar='$tar'
tbl='$tbl'
tee='$tee'
test='$test'
timeincl='$timeincl'
timetype='$timetype'
touch='$touch'
tr='$tr'
trnl='$trnl'
troff='$troff'
u16size='$u16size'
u16type='$u16type'
u32size='$u32size'
u32type='$u32type'
u64size='$u64size'
u64type='$u64type'
u8size='$u8size'
u8type='$u8type'
uidformat='$uidformat'
uidsign='$uidsign'
uidsize='$uidsize'
uidtype='$uidtype'
uname='$uname'
uniq='$uniq'
uquadtype='$uquadtype'
use5005threads='$use5005threads'
use64bitall='$use64bitall'
use64bitint='$use64bitint'
usedl='$usedl'
useithreads='$useithreads'
uselargefiles='$uselargefiles'
uselongdouble='$uselongdouble'
usemorebits='$usemorebits'
usemultiplicity='$usemultiplicity'
usemymalloc='$usemymalloc'
usenm='$usenm'
useopcode='$useopcode'
useperlio='$useperlio'
useposix='$useposix'
usesfio='$usesfio'
useshrplib='$useshrplib'
usesocks='$usesocks'
usethreads='$usethreads'
usevendorprefix='$usevendorprefix'
usevfork='$usevfork'
usrinc='$usrinc'
uuname='$uuname'
uvoformat='$uvoformat'
uvsize='$uvsize'
uvtype='$uvtype'
uvuformat='$uvuformat'
uvxformat='$uvxformat'
vendorarch='$vendorarch'
vendorarchexp='$vendorarchexp'
vendorbin='$vendorbin'
vendorbinexp='$vendorbinexp'
vendorlib='$vendorlib'
vendorlib_stem='$vendorlib_stem'
vendorlibexp='$vendorlibexp'
vendorprefix='$vendorprefix'
vendorprefixexp='$vendorprefixexp'
version='$version'
vi='$vi'
voidflags='$voidflags'
xlibpth='$xlibpth'
xs_apiversion='$xs_apiversion'
zcat='$zcat'
zip='$zip'
EOT
: Add in command line options if available
$test -f UU/cmdline.opt && $cat UU/cmdline.opt >> config.sh
: add special variables
$test -f $src/patchlevel.h && \
awk '/^#define[ ]+PERL_/ {printf "%s=%s\n",$2,$3}' $src/patchlevel.h >>config.sh
echo "CONFIGDOTSH=true" >>config.sh
: propagate old symbols
if $test -f UU/config.sh; then
<UU/config.sh sort | uniq >UU/oldconfig.sh
sed -n 's/^\([a-zA-Z_0-9]*\)=.*/\1/p' config.sh config.sh UU/oldconfig.sh |\
sort | uniq -u >UU/oldsyms
set X `cat UU/oldsyms`
shift
case $# in
0) ;;
*)
cat <<EOM
Hmm...You had some extra variables I don't know about...I'll try to keep 'em...
EOM
echo "# Variables propagated from previous config.sh file." >>config.sh
for sym in `cat UU/oldsyms`; do
echo " Propagating $hint variable "'$'"$sym..."
eval 'tmp="$'"${sym}"'"'
echo "$tmp" | \
sed -e "s/'/'\"'\"'/g" -e "s/^/$sym='/" -e "s/$/'/" >>config.sh
done
;;
esac
fi
: Finish up by extracting the .SH files
case "$alldone" in
exit)
$rm -rf UU
echo "Done."
exit 0
;;
cont)
;;
'')
dflt=''
nostick=true
$cat <<EOM
If you'd like to make any changes to the config.sh file before I begin
to configure things, do it as a shell escape now (e.g. !vi config.sh).
EOM
rp="Press return or use a shell escape to edit config.sh:"
. UU/myread
nostick=''
case "$ans" in
'') ;;
*) : in case they cannot read
sh 1>&4 -c "$ans";;
esac
;;
esac
: if this fails, just run all the .SH files by hand
. ./config.sh
echo " "
exec 1>&4
. ./UU/extract
if $contains '^depend:' [Mm]akefile >/dev/null 2>&1; then
dflt=y
case "$silent" in
true) ;;
*)
$cat <<EOM
Now you need to generate make dependencies by running "$make depend".
You might prefer to run it in background: "$make depend > makedepend.out &"
It can take a while, so you might not want to run it right now.
EOM
;;
esac
rp="Run $make depend now?"
. UU/myread
case "$ans" in
y*)
$make depend && echo "Now you must run a $make."
;;
*)
echo "You must run '$make depend' then '$make'."
;;
esac
elif test -f [Mm]akefile; then
echo " "
echo "Now you must run a $make."
else
echo "Done."
fi
if $test -f Policy.sh; then
$cat <<EOM
If you compile $package on a different machine or from a different object
directory, copy the Policy.sh file from this object directory to the
new one before you run Configure -- this will help you with most of
the policy defaults.
EOM
fi
if $test -f config.msg; then
echo "Hmm. I also noted the following information while running:"
echo " "
$cat config.msg >&4
$rm -f config.msg
fi
$rm -f kit*isdone ark*isdone
$rm -rf UU
: End of Configure
|