diff options
Diffstat (limited to 'tcl/cygwin/configure.in')
| -rw-r--r-- | tcl/cygwin/configure.in | 1424 |
1 files changed, 56 insertions, 1368 deletions
diff --git a/tcl/cygwin/configure.in b/tcl/cygwin/configure.in index 832db201e05..6398367aef4 100644 --- a/tcl/cygwin/configure.in +++ b/tcl/cygwin/configure.in @@ -1,1344 +1,56 @@ -dnl This file is an input file used by the GNU "autoconf" program to -dnl generate the file "configure", which is run during Tcl installation -dnl to configure the system for the local environment. - -# CYGNUS LOCAL, need 2.5 or higher for --bindir et al -AC_PREREQ(2.5) -# END CYGNUS LOCAL - -AC_INIT(../generic/tcl.h) -# SCCS: @(#) configure.in 1.18 98/08/12 17:29:39 - -TCL_VERSION=8.0 -TCL_MAJOR_VERSION=8 -TCL_MINOR_VERSION=0 -TCL_PATCH_LEVEL=".3" -VERSION=${TCL_VERSION} - -if test "${prefix}" = "NONE"; then - prefix=/usr/local -fi -if test "${exec_prefix}" = "NONE"; then - exec_prefix=$prefix -fi -TCL_SRC_DIR=`cd $srcdir/..; pwd` - -AC_PROG_RANLIB -dnl CYGNUS LOCAL: allow gcc without a special flag -dnl AC_ARG_ENABLE(gcc, [ --enable-gcc allow use of gcc if available], -dnl [tcl_ok=$enableval], [tcl_ok=no]) -dnl if test "$tcl_ok" = "yes"; then - AC_PROG_CC -dnl else -dnl CC=${CC-cc} -dnl AC_SUBST(CC) -dnl fi -dnl END CYGNUS LOCAL - -# CYGNUS LOCAL -# dje/win32 -AR=${AR-ar} -# We need this for substitutions in Makefile.in. -AC_PROG_INSTALL -# END CYGNUS LOCAL - -#-------------------------------------------------------------------- -# CYGNUS LOCAL: -# This is for LynxOS, which needs a flag to force true POSIX when -# building. It's weirder than that, cause the flag varies depending -# how old the compiler is. So... -# -X is for the old "cc" and "gcc" (based on 1.42) -# -mposix is for the new gcc (at least 2.5.8) -# This modifies the value of $CC to have the POSIX flag added -# so everything will configure correctly. -#-------------------------------------------------------------------- -CY_AC_TCL_LYNX_POSIX - -# set the warning flags depending on whether or not we are using gcc -if test "${GCC}" = "yes" ; then - CFLAGS_WARNING="-Wall -Wconversion" -else - CFLAGS_WARNING="" -fi - -#-------------------------------------------------------------------- -# Supply substitutes for missing POSIX library procedures, or -# set flags so Tcl uses alternate procedures. -#-------------------------------------------------------------------- - -# Check if Posix compliant getcwd exists, if not we'll use getwd. -AC_CHECK_FUNCS(getcwd, , AC_DEFINE(USEGETWD)) -# Nb: if getcwd uses popen and pwd(1) (like SunOS 4) we should really -# define USEGETWD even if the posix getcwd exists. Add a test ? - -AC_REPLACE_FUNCS(opendir strstr) - -AC_REPLACE_FUNCS(strtol tmpnam waitpid) -AC_CHECK_FUNC(strerror, , AC_DEFINE(NO_STRERROR)) -AC_CHECK_FUNC(getwd, , AC_DEFINE(NO_GETWD)) -AC_CHECK_FUNC(wait3, , AC_DEFINE(NO_WAIT3)) -AC_CHECK_FUNC(uname, , AC_DEFINE(NO_UNAME)) - -#-------------------------------------------------------------------- -# On a few very rare systems, all of the libm.a stuff is -# already in libc.a. Set compiler flags accordingly. -# Also, Linux requires the "ieee" library for math to work -# right (and it must appear before "-lm"). -#-------------------------------------------------------------------- - -AC_CHECK_FUNC(sin, MATH_LIBS="", MATH_LIBS="-lm") -AC_CHECK_LIB(ieee, main, [MATH_LIBS="-lieee $MATH_LIBS"]) - -#-------------------------------------------------------------------- -# On AIX systems, libbsd.a has to be linked in to support -# non-blocking file IO. This library has to be linked in after -# the MATH_LIBS or it breaks the pow() function. The way to -# insure proper sequencing, is to add it to the tail of MATH_LIBS. -# This library also supplies gettimeofday. -#-------------------------------------------------------------------- -libbsd=no -if test "`uname -s`" = "AIX" ; then - AC_CHECK_LIB(bsd, gettimeofday, libbsd=yes) - if test $libbsd = yes; then - MATH_LIBS="$MATH_LIBS -lbsd" - fi -fi - -#-------------------------------------------------------------------- -# Supply substitutes for missing POSIX header files. Special -# notes: -# - stdlib.h doesn't define strtol, strtoul, or -# strtod insome versions of SunOS -# - some versions of string.h don't declare procedures such -# as strstr -#-------------------------------------------------------------------- - -AC_MSG_CHECKING(dirent.h) -AC_TRY_LINK([#include <sys/types.h> -#include <dirent.h>], [ -#ifndef _POSIX_SOURCE -# ifdef __Lynx__ - /* - * Generate compilation error to make the test fail: Lynx headers - * are only valid if really in the POSIX environment. - */ - - missing_procedure(); -# endif -#endif -DIR *d; -struct dirent *entryPtr; -char *p; -d = opendir("foobar"); -entryPtr = readdir(d); -p = entryPtr->d_name; -closedir(d); -], tcl_ok=yes, tcl_ok=no) -if test $tcl_ok = no; then - AC_DEFINE(NO_DIRENT_H) -fi -AC_MSG_RESULT($tcl_ok) -AC_CHECK_HEADER(errno.h, , AC_DEFINE(NO_ERRNO_H)) -AC_CHECK_HEADER(float.h, , AC_DEFINE(NO_FLOAT_H)) -AC_CHECK_HEADER(values.h, , AC_DEFINE(NO_VALUES_H)) -AC_CHECK_HEADER(limits.h, , AC_DEFINE(NO_LIMITS_H)) -AC_CHECK_HEADER(stdlib.h, tcl_ok=1, tcl_ok=0) -AC_EGREP_HEADER(strtol, stdlib.h, , tcl_ok=0) -AC_EGREP_HEADER(strtoul, stdlib.h, , tcl_ok=0) -AC_EGREP_HEADER(strtod, stdlib.h, , tcl_ok=0) -if test $tcl_ok = 0; then - AC_DEFINE(NO_STDLIB_H) -fi -AC_CHECK_HEADER(string.h, tcl_ok=1, tcl_ok=0) -AC_EGREP_HEADER(strstr, string.h, , tcl_ok=0) -AC_EGREP_HEADER(strerror, string.h, , tcl_ok=0) -if test $tcl_ok = 0; then - AC_DEFINE(NO_STRING_H) -fi -AC_CHECK_HEADER(sys/wait.h, , AC_DEFINE(NO_SYS_WAIT_H)) -AC_CHECK_HEADER(dlfcn.h, , AC_DEFINE(NO_DLFCN_H)) -AC_HAVE_HEADERS(unistd.h) - -#--------------------------------------------------------------------------- -# Determine which interface to use to talk to the serial port. -# Note that #include lines must begin in leftmost column for -# some compilers to recognize them as preprocessor directives. -#--------------------------------------------------------------------------- - -AC_MSG_CHECKING([termios vs. termio vs. sgtty]) -AC_TRY_RUN([ -#include <termios.h> - -main() -{ - struct termios t; - if (tcgetattr(0, &t) == 0) { - cfsetospeed(&t, 0); - t.c_cflag |= PARENB | PARODD | CSIZE | CSTOPB; - return 0; - } - return 1; -}], tk_ok=termios, tk_ok=no, tk_ok=no) -if test $tk_ok = termios; then - AC_DEFINE(USE_TERMIOS) -else -AC_TRY_RUN([ -#include <termio.h> - -main() -{ - struct termio t; - if (ioctl(0, TCGETA, &t) == 0) { - t.c_cflag |= CBAUD | PARENB | PARODD | CSIZE | CSTOPB; - return 0; - } - return 1; -}], tk_ok=termio, tk_ok=no, tk_ok=no) -if test $tk_ok = termio; then - AC_DEFINE(USE_TERMIO) -else -AC_TRY_RUN([ -#include <sgtty.h> - -main() -{ - struct sgttyb t; - if (ioctl(0, TIOCGETP, &t) == 0) { - t.sg_ospeed = 0; - t.sg_flags |= ODDP | EVENP | RAW; - return 0; - } - return 1; -}], tk_ok=sgtty, tk_ok=none, tk_ok=none) -if test $tk_ok = sgtty; then - AC_DEFINE(USE_SGTTY) -fi -fi -fi -AC_MSG_RESULT($tk_ok) - -#-------------------------------------------------------------------- -# Include sys/select.h if it exists and if it supplies things -# that appear to be useful and aren't already in sys/types.h. -# This appears to be true only on the RS/6000 under AIX. Some -# systems like OSF/1 have a sys/select.h that's of no use, and -# other systems like SCO UNIX have a sys/select.h that's -# pernicious. If "fd_set" isn't defined anywhere then set a -# special flag. -#-------------------------------------------------------------------- - -AC_MSG_CHECKING([fd_set and sys/select]) -AC_TRY_COMPILE([#include <sys/types.h>], - [fd_set readMask, writeMask;], tk_ok=yes, tk_ok=no) -if test $tk_ok = no; then - AC_HEADER_EGREP(fd_mask, sys/select.h, tk_ok=yes) - if test $tk_ok = yes; then - AC_DEFINE(HAVE_SYS_SELECT_H) - fi -fi -AC_MSG_RESULT($tk_ok) -if test $tk_ok = no; then - AC_DEFINE(NO_FD_SET) -fi - -#------------------------------------------------------------------------------ -# Find out all about time handling differences. -#------------------------------------------------------------------------------ - -AC_CHECK_HEADERS(sys/time.h) -AC_HEADER_TIME -AC_STRUCT_TIMEZONE - -AC_MSG_CHECKING([tm_tzadj in struct tm]) -AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_tzadj;], - [AC_DEFINE(HAVE_TM_TZADJ) - AC_MSG_RESULT(yes)], - AC_MSG_RESULT(no)) - -AC_MSG_CHECKING([tm_gmtoff in struct tm]) -AC_TRY_COMPILE([#include <time.h>], [struct tm tm; tm.tm_gmtoff;], - [AC_DEFINE(HAVE_TM_GMTOFF) - AC_MSG_RESULT(yes)], - AC_MSG_RESULT(no)) - -# -# Its important to include time.h in this check, as some systems (like convex) -# have timezone functions, etc. -# -have_timezone=no -AC_MSG_CHECKING([long timezone variable]) -AC_TRY_COMPILE([#include <time.h>], - [extern long timezone; - timezone += 1; - exit (0);], - [have_timezone=yes - AC_DEFINE(HAVE_TIMEZONE_VAR) - AC_MSG_RESULT(yes)], - AC_MSG_RESULT(no)) - -# -# On some systems (eg IRIX 6.2), timezone is a time_t and not a long. -# -if test "$have_timezone" = no; then - AC_MSG_CHECKING([time_t timezone variable]) - AC_TRY_COMPILE([#include <time.h>], - [extern time_t timezone; - timezone += 1; - exit (0);], - [have_timezone=yes - AC_DEFINE(HAVE_TIMEZONE_VAR) - AC_MSG_RESULT(yes)], - AC_MSG_RESULT(no)) -fi - -# -# On some systems (eg Solaris 2.5.1, timezone is not declared in -# time.h unless you jump through hoops. Instead of that, we just -# declare it ourselves when necessary. -# -if test "$have_timezone" = yes; then - AC_MSG_CHECKING(for timezone declaration) - changequote(<<,>>) - tzrx='^[ ]*extern.*timezone' - changequote([,]) - AC_EGREP_HEADER($tzrx, time.h, [ - AC_DEFINE(HAVE_TIMEZONE_DECL) - AC_MSG_RESULT(found)], AC_MSG_RESULT(missing)) -fi - -# -# AIX does not have a timezone field in struct tm. When the AIX bsd -# library is used, the timezone global and the gettimeofday methods are -# to be avoided for timezone deduction instead, we deduce the timezone -# by comparing the localtime result on a known GMT value. -# -if test $libbsd = yes; then - AC_DEFINE(USE_DELTA_FOR_TZ) -fi - -#-------------------------------------------------------------------- -# Some systems (e.g., IRIX 4.0.5) lack the st_blksize field -# in struct stat. -#-------------------------------------------------------------------- -AC_STRUCT_ST_BLKSIZE - -#-------------------------------------------------------------------- -# On some systems strstr is broken: it returns a pointer even -# even if the original string is empty. -#-------------------------------------------------------------------- - -AC_MSG_CHECKING([proper strstr implementation]) -AC_TRY_RUN([ -extern int strstr(); -int main() -{ - exit(strstr("\0test", "test") ? 1 : 0); -} -], tcl_ok=yes, tcl_ok=no, tcl_ok=no) -if test $tcl_ok = yes; then - AC_MSG_RESULT(yes) -else - AC_MSG_RESULT([broken, using substitute]) - LIBOBJS="$LIBOBJS strstr.o" -fi - -#-------------------------------------------------------------------- -# Check for strtoul function. This is tricky because under some -# versions of AIX strtoul returns an incorrect terminator -# pointer for the string "0". -#-------------------------------------------------------------------- - -AC_CHECK_FUNC(strtoul, tcl_ok=1, tcl_ok=0) -AC_TRY_RUN([ -extern int strtoul(); -int main() -{ - char *string = "0"; - char *term; - int value; - value = strtoul(string, &term, 0); - if ((value != 0) || (term != (string+1))) { - exit(1); - } - exit(0); -}], , tcl_ok=0, tcl_ok=0) -if test "$tcl_ok" = 0; then - test -n "$verbose" && echo " Adding strtoul.o." - LIBOBJS="$LIBOBJS strtoul.o" -fi - -#-------------------------------------------------------------------- -# Check for the strtod function. This is tricky because in some -# versions of Linux strtod mis-parses strings starting with "+". -#-------------------------------------------------------------------- - -AC_CHECK_FUNC(strtod, tcl_ok=1, tcl_ok=0) -AC_TRY_RUN([ -extern double strtod(); -int main() -{ - char *string = " +69"; - char *term; - double value; - value = strtod(string, &term); - if ((value != 69) || (term != (string+4))) { - exit(1); - } - exit(0); -}], , tcl_ok=0, tcl_ok=0) -if test "$tcl_ok" = 0; then - test -n "$verbose" && echo " Adding strtod.o." - LIBOBJS="$LIBOBJS strtod.o" -fi - -#-------------------------------------------------------------------- -# Under Solaris 2.4, strtod returns the wrong value for the -# terminating character under some conditions. Check for this -# and if the problem exists use a substitute procedure -# "fixstrtod" that corrects the error. -#-------------------------------------------------------------------- - -AC_CHECK_FUNC(strtod, tcl_strtod=1, tcl_strtod=0) -if test "$tcl_strtod" = 1; then - AC_MSG_CHECKING([for Solaris strtod bug]) - AC_TRY_RUN([ -extern double strtod(); -int main() -{ - char *string = "NaN"; - char *term; - strtod(string, &term); - if ((term != string) && (term[-1] == 0)) { - exit(1); - } - exit(0); -}], tcl_ok=1, tcl_ok=0, tcl_ok=0) - if test $tcl_ok = 1; then - AC_MSG_RESULT(ok) - else - AC_MSG_RESULT(buggy) - LIBOBJS="$LIBOBJS fixstrtod.o" - AC_DEFINE(strtod, fixstrtod) - fi -fi - -#-------------------------------------------------------------------- -# Check for various typedefs and provide substitutes if -# they don't exist. -#-------------------------------------------------------------------- - -AC_TYPE_MODE_T -AC_TYPE_PID_T -AC_TYPE_SIZE_T -AC_TYPE_UID_T - -#-------------------------------------------------------------------- -# If a system doesn't have an opendir function (man, that's old!) -# then we have to supply a different version of dirent.h which -# is compatible with the substitute version of opendir that's -# provided. This version only works with V7-style directories. -#-------------------------------------------------------------------- - -AC_CHECK_FUNC(opendir, , AC_DEFINE(USE_DIRENT2_H)) - -#-------------------------------------------------------------------- -# The check below checks whether <sys/wait.h> defines the type -# "union wait" correctly. It's needed because of weirdness in -# HP-UX where "union wait" is defined in both the BSD and SYS-V -# environments. Checking the usability of WIFEXITED seems to do -# the trick. -#-------------------------------------------------------------------- - -AC_MSG_CHECKING([union wait]) -AC_TRY_LINK([#include <sys/types.h> -#include <sys/wait.h>], [ -union wait x; -WIFEXITED(x); /* Generates compiler error if WIFEXITED - * uses an int. */ -], tcl_ok=yes, tcl_ok=no) -AC_MSG_RESULT($tcl_ok) -if test $tcl_ok = no; then - AC_DEFINE(NO_UNION_WAIT) -fi - -#-------------------------------------------------------------------- -# Check to see whether the system supports the matherr function -# and its associated type "struct exception". -#-------------------------------------------------------------------- - -AC_MSG_CHECKING([matherr support]) -AC_TRY_COMPILE([#include <math.h>], [ -struct exception x; -x.type = DOMAIN; -x.type = SING; -], tcl_ok=yes, tcl_ok=no) -AC_MSG_RESULT($tcl_ok) -if test $tcl_ok = yes; then - AC_DEFINE(NEED_MATHERR) -fi - -#-------------------------------------------------------------------- -# Check to see whether the system provides a vfork kernel call. -# If not, then use fork instead. Also, check for a problem with -# vforks and signals that can cause core dumps if a vforked child -# resets a signal handler. If the problem exists, then use fork -# instead of vfork. -#-------------------------------------------------------------------- - -AC_TYPE_SIGNAL() -AC_CHECK_FUNC(vfork, tcl_ok=1, tcl_ok=0) -if test "$tcl_ok" = 1; then - AC_MSG_CHECKING([vfork/signal bug]); - AC_TRY_RUN([ -#include <stdio.h> -#include <signal.h> -#include <sys/wait.h> -int gotSignal = 0; -sigProc(sig) - int sig; -{ - gotSignal = 1; -} -main() -{ - int pid, sts; - (void) signal(SIGCHLD, sigProc); - pid = vfork(); - if (pid < 0) { - exit(1); - } else if (pid == 0) { - (void) signal(SIGCHLD, SIG_DFL); - _exit(0); - } else { - (void) wait(&sts); - } - exit((gotSignal) ? 0 : 1); -}], tcl_ok=1, tcl_ok=0, tcl_ok=0) - if test "$tcl_ok" = 1; then - AC_MSG_RESULT(ok) - else - AC_MSG_RESULT([buggy, using fork instead]) - fi -fi -rm -f core -if test "$tcl_ok" = 0; then - AC_DEFINE(vfork, fork) -fi - -#-------------------------------------------------------------------- -# Check whether there is an strncasecmp function on this system. -# This is a bit tricky because under SCO it's in -lsocket and -# under Sequent Dynix it's in -linet. -#-------------------------------------------------------------------- - -AC_CHECK_FUNC(strncasecmp, tcl_ok=1, tcl_ok=0) -if test "$tcl_ok" = 0; then - AC_CHECK_LIB(socket, strncasecmp, tcl_ok=1, tcl_ok=0) -fi -if test "$tcl_ok" = 0; then - AC_CHECK_LIB(inet, strncasecmp, tcl_ok=1, tcl_ok=0) -fi -if test "$tcl_ok" = 0; then - LIBOBJS="$LIBOBJS strncasecmp.o" -fi - -#-------------------------------------------------------------------- -# The code below deals with several issues related to gettimeofday: -# 1. Some systems don't provide a gettimeofday function at all -# (set NO_GETTOD if this is the case). -# 2. SGI systems don't use the BSD form of the gettimeofday function, -# but they have a BSDgettimeofday function that can be used instead. -# 3. See if gettimeofday is declared in the <sys/time.h> header file. -# if not, set the GETTOD_NOT_DECLARED flag so that tclPort.h can -# declare it. -#-------------------------------------------------------------------- - -AC_CHECK_FUNC(BSDgettimeofday, AC_DEFINE(HAVE_BSDGETTIMEOFDAY), - AC_CHECK_FUNC(gettimeofday, , AC_DEFINE(NO_GETTOD))) -AC_MSG_CHECKING([for gettimeofday declaration]) -AC_EGREP_HEADER(gettimeofday, sys/time.h, AC_MSG_RESULT(present), [ - AC_MSG_RESULT(missing) - AC_DEFINE(GETTOD_NOT_DECLARED) -]) - -#-------------------------------------------------------------------- -# Interactive UNIX requires -linet instead of -lsocket, plus it -# needs net/errno.h to define the socket-related error codes. -#-------------------------------------------------------------------- - -AC_CHECK_LIB(inet, main, [LIBS="$LIBS -linet"]) -AC_CHECK_HEADER(net/errno.h, AC_DEFINE(HAVE_NET_ERRNO_H)) - -#-------------------------------------------------------------------- -# The following code checks to see whether it is possible to get -# signed chars on this platform. This is needed in order to -# properly generate sign-extended ints from character values. -#-------------------------------------------------------------------- - -AC_C_CHAR_UNSIGNED -AC_MSG_CHECKING([signed char declarations]) -AC_TRY_COMPILE(, [ -signed char *p; -p = 0; -], tcl_ok=yes, tcl_ok=no) -AC_MSG_RESULT($tcl_ok) -if test $tcl_ok = yes; then - AC_DEFINE(HAVE_SIGNED_CHAR) -fi - -#-------------------------------------------------------------------- -# Check for the existence of the -lsocket and -lnsl libraries. -# The order here is important, so that they end up in the right -# order in the command line generated by make. Here are some -# special considerations: -# 1. Use "connect" and "accept" to check for -lsocket, and -# "gethostbyname" to check for -lnsl. -# 2. Use each function name only once: can't redo a check because -# autoconf caches the results of the last check and won't redo it. -# 3. Use -lnsl and -lsocket only if they supply procedures that -# aren't already present in the normal libraries. This is because -# IRIX 5.2 has libraries, but they aren't needed and they're -# bogus: they goof up name resolution if used. -# 4. On some SVR4 systems, can't use -lsocket without -lnsl too. -# To get around this problem, check for both libraries together -# if -lsocket doesn't work by itself. -#-------------------------------------------------------------------- - -# CYGNUS LOCAL: Store any socket library(ies) in the cache, and don't -# mess up the cache values of the functions we check for. -AC_CACHE_CHECK([for socket libraries], tcl_cv_lib_sockets, - [tcl_cv_lib_sockets= - tcl_checkBoth=0 - unset ac_cv_func_connect - AC_CHECK_FUNC(connect, tcl_checkSocket=0, tcl_checkSocket=1) - if test "$tcl_checkSocket" = 1; then - unset ac_cv_func_connect - AC_CHECK_LIB(socket, main, tcl_cv_lib_sockets="-lsocket", - tcl_checkBoth=1) +dnl Process this file with autoconf to produce a configure script. + +AC_PREREQ(2.13) + +AC_INIT(Makefile.in) +AC_CANONICAL_SYSTEM +AM_INIT_AUTOMAKE(libtcl_cygwin, 8.0) +AM_MAINTAINER_MODE +AC_EXEEXT + +# FIXME: We temporarily define our own version of AC_PROG_CC. This is +# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We +# are probably using a cross compiler, which will not be able to fully +# link an executable. This should really be fixed in autoconf +# itself. + +AC_DEFUN(LIB_AC_PROG_CC, +[AC_BEFORE([$0], [AC_PROG_CPP])dnl +AC_CHECK_PROG(CC, gcc, gcc) +if test -z "$CC"; then + AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) + test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) +fi + +AC_PROG_CC_GNU + +if test $ac_cv_prog_gcc = yes; then + GCC=yes +dnl Check whether -g works, even if CFLAGS is set, in case the package +dnl plays around with CFLAGS (such as to build both debugging and +dnl normal versions of a library), tasteless as that idea is. + ac_test_CFLAGS="${CFLAGS+set}" + ac_save_CFLAGS="$CFLAGS" + CFLAGS= + AC_PROG_CC_G + if test "$ac_test_CFLAGS" = set; then + CFLAGS="$ac_save_CFLAGS" + elif test $ac_cv_prog_cc_g = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-O2" fi - if test "$tcl_checkBoth" = 1; then - tcl_oldLibs=$LIBS - LIBS="$LIBS -lsocket -lnsl" - unset ac_cv_func_accept - AC_CHECK_FUNC(accept, - [tcl_checkNsl=0 - tcl_cv_lib_sockets="-lsocket -lnsl"]) - unset ac_cv_func_accept - LIBS=$tcl_oldLibs - fi - unset ac_cv_func_gethostbyname - tcl_oldLibs=$LIBS - LIBS="$LIBS $tcl_cv_lib_sockets" - AC_CHECK_FUNC(gethostbyname, , - [AC_CHECK_LIB(nsl, main, - [tcl_cv_lib_sockets="$tcl_cv_lib_sockets -lnsl"])]) - unset ac_cv_func_gethostbyname - LIBS=$tcl_oldLIBS -]) -test -z "$tcl_cv_lib_sockets" || LIBS="$LIBS $tcl_cv_lib_sockets" - -#-------------------------------------------------------------------- -# The statements below define a collection of symbols related to -# dynamic loading and shared libraries: -# -# DL_OBJS - Name of the object file that implements dynamic -# loading for Tcl on this system. -# DL_LIBS - Library file(s) to include in tclsh and other base -# applications in order for the "load" command to work. -# LD_FLAGS - Flags to pass to the compiler when linking object -# files into an executable application binary such -# as tclsh. -# LD_SEARCH_FLAGS-Flags to pass to ld, such as "-R /usr/local/tcl/lib", -# that tell the run-time dynamic linker where to look -# for shared libraries such as libtcl.so. Depends on -# the variable LIB_RUNTIME_DIR in the Makefile. -# MAKE_LIB - Command to execute to build the Tcl library; -# differs depending on whether or not Tcl is being -# compiled as a shared library. -# SHLIB_CFLAGS - Flags to pass to cc when compiling the components -# of a shared library (may request position-independent -# code, among other things). -# SHLIB_LD - Base command to use for combining object files -# into a shared library. -# SHLIB_LD_LIBS - Dependent libraries for the linker to scan when -# creating shared libraries. This symbol typically -# goes at the end of the "ld" commands that build -# shared libraries. The value of the symbol is -# "${LIBS}" if all of the dependent libraries should -# be specified when creating a shared library. If -# dependent libraries should not be specified (as on -# SunOS 4.x, where they cause the link to fail, or in -# general if Tcl and Tk aren't themselves shared -# libraries), then this symbol has an empty string -# as its value. -# SHLIB_SUFFIX - Suffix to use for the names of dynamically loadable -# extensions. An empty string means we don't know how -# to use shared libraries on this platform. -# TCL_LIB_FILE - Name of the file that contains the Tcl library, such -# as libtcl7.8.so or libtcl7.8.a. -# TCL_LIB_SUFFIX -Specifies everything that comes after the "libtcl" -# in the shared library name, using the $VERSION variable -# to put the version in the right place. This is used -# by platforms that need non-standard library names. -# Examples: ${VERSION}.so.1.1 on NetBSD, since it needs -# to have a version after the .so, and ${VERSION}.a -# on AIX, since the Tcl shared library needs to have -# a .a extension whereas shared objects for loadable -# extensions have a .so extension. Defaults to -# ${VERSION}${SHLIB_SUFFIX}. -#-------------------------------------------------------------------- - -# Step 1: set the variable "system" to hold the name and version number -# for the system. This can usually be done via the "uname" command, but -# there are a few systems, like Next, where this doesn't work. - -AC_MSG_CHECKING([system version (for dynamic loading)]) -if test -f /usr/lib/NextStep/software_version; then - system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version` -else - system=`uname -s`-`uname -r` - if test "$?" -ne 0 ; then - AC_MSG_RESULT([unknown (can't find uname command)]) - system=unknown - else - # Special check for weird MP-RAS system (uname returns weird - # results, and the version is kept in special file). - - if test -r /etc/.relid -a "X`uname -n`" = "X`uname -s`" ; then - system=MP-RAS-`awk '{print $3}' /etc/.relid'` - fi - if test "`uname -s`" = "AIX" ; then - system=AIX-`uname -v`.`uname -r` - fi - AC_MSG_RESULT($system) - fi -fi - -# Step 2: check for existence of -ldl library. This is needed because -# Linux can use either -ldl or -ldld for dynamic loading. - -AC_CHECK_LIB(dl, dlopen, have_dl=yes, have_dl=no) - -# Step 3: set configuration options based on system name and version. - -fullSrcDir=`cd $srcdir; pwd` -TCL_SHARED_LIB_SUFFIX="" -TCL_UNSHARED_LIB_SUFFIX="" -TCL_TRIM_DOTS='`echo ${VERSION} | tr -d .`' -ECHO_VERSION='`echo ${VERSION}`' -TCL_LIB_VERSIONS_OK=ok -case $system in - AIX-4.[[2-9]]) - SHLIB_CFLAGS="" - SHLIB_LD="$fullSrcDir/ldAix /bin/ld -bhalt:4 -bM:SRE -bE:lib.exp -H512 -T512 -bnoentry" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - AIX=yes - TCL_SHARED_LIB_SUFFIX='${VERSION}.a' - ;; - AIX-*) - SHLIB_CFLAGS="" - SHLIB_LD="$fullSrcDir/ldAix /bin/ld -bhalt:4 -bM:SRE -bE:lib.exp -H512 -T512 -bnoentry" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o tclLoadAix.o" - DL_LIBS="-lld" - LD_FLAGS="" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - TCL_SHARED_LIB_SUFFIX='${VERSION}.a' - ;; - BSD/OS-2.1*|BSD/OS-3*) - SHLIB_CFLAGS="" - SHLIB_LD="shlicc -r" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - ;; - dgux*) - SHLIB_CFLAGS="-K PIC" - SHLIB_LD="cc -G" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - ;; - HP-UX-*.08.*|HP-UX-*.09.*|HP-UX-*.10.*) - # CYGNUS LOCAL: Handle gcc and versions of HP-UX that can't - # do dynamic linking. - AC_CHECK_LIB(dld, shl_load, tcl_ok=yes, tcl_ok=no) - if test "$tcl_ok" = "yes"; then - if test "$GCC" = yes; then - SHLIB_CFLAGS="-fPIC" - SHLIB_LD="$CC -shared -fPIC" - else - SHLIB_CFLAGS="+z" - SHLIB_LD="ld -b" - fi - - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".sl" - DL_OBJS="tclLoadShl.o" - DL_LIBS="-ldld" - - # The GNU linker requires the -export-dynamic - # option to make all symbols visible in the dynamic symbol - # table. Note that the HP linker will give errors - # -export-dynamic, but will still exit successfully. - # Adding a -L option will make it fail. - hold_ldflags=$LDFLAGS - AC_MSG_CHECKING(for the ld -export-dynamic flag) - LDFLAGS="${LDFLAGS} -Wl,-export-dynamic -L`pwd`" - AC_TRY_LINK(, [int i;], found=yes, found=no) - LDFLAGS=$hold_ldflags - AC_MSG_RESULT($found) - if test $found = yes; then - LD_FLAGS="-Wl,-export-dynamic" - LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}' - else - LD_FLAGS="-Wl,-E" - LD_SEARCH_FLAGS='-Wl,+s,+b,${LIB_RUNTIME_DIR}:.' - fi - fi - # END CYGNUS LOCAL - ;; - IRIX-4.*) - SHLIB_CFLAGS="-G 0" - SHLIB_SUFFIX=".a" - SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0" - SHLIB_LD_LIBS='${LIBS}' - DL_OBJS="tclLoadAout.o" - DL_LIBS="" - LD_FLAGS="-Wl,-D,08000000" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - TCL_SHARED_LIB_SUFFIX='${VERSION}.a' - ;; - IRIX-5.*|IRIX-6.*) - SHLIB_CFLAGS="" - SHLIB_LD="ld -n32 -shared -rdata_shared" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}' - ;; - IRIX64-6.*) - SHLIB_CFLAGS="" - SHLIB_LD="ld -n32 -shared -rdata_shared -rpath /usr/local/lib" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}' - ;; - Linux*) - SHLIB_CFLAGS="-fPIC" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - if test "$have_dl" = yes; then - SHLIB_LD="${CC} -shared" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="-rdynamic" - LD_SEARCH_FLAGS="" - else - AC_CHECK_HEADER(dld.h, [ - SHLIB_LD="ld -shared" - DL_OBJS="tclLoadDld.o" - DL_LIBS="-ldld" - LD_FLAGS="" - LD_SEARCH_FLAGS=""]) - fi - ;; - MP-RAS-02*) - SHLIB_CFLAGS="-K PIC" - SHLIB_LD="cc -G" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - ;; - MP-RAS-*) - SHLIB_CFLAGS="-K PIC" - SHLIB_LD="cc -G" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="-Wl,-Bexport" - LD_SEARCH_FLAGS="" - ;; - NetBSD-*|FreeBSD-*|OpenBSD-*) - # Not available on all versions: check for include file. - AC_CHECK_HEADER(dlfcn.h, [ - SHLIB_CFLAGS="-fpic" - SHLIB_LD="ld -Bshareable -x" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - TCL_SHARED_LIB_SUFFIX='`echo ${VERSION} | tr -d .`.so.1.0' - ], [ - SHLIB_CFLAGS="" - SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".a" - DL_OBJS="tclLoadAout.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - TCL_SHARED_LIB_SUFFIX='`echo ${VERSION} | tr -d .`.a' - ]) - - # FreeBSD doesn't handle version numbers with dots. - - TCL_UNSHARED_LIB_SUFFIX='`echo ${VERSION} | tr -d .`.a' - TCL_LIB_VERSIONS_OK=nodots - ;; - NEXTSTEP-*) - SHLIB_CFLAGS="" - SHLIB_LD="cc -nostdlib -r" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadNext.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - ;; - OSF1-1.0|OSF1-1.1|OSF1-1.2) - # OSF/1 1.[012] from OSF, and derivatives, including Paragon OSF/1 - SHLIB_CFLAGS="" - # Hack: make package name same as library name - SHLIB_LD='ld -R -export $@:' - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadOSF.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - ;; - OSF1-1.*) - # OSF/1 1.3 from OSF using ELF, and derivatives, including AD2 - SHLIB_CFLAGS="-fpic" - SHLIB_LD="ld -shared" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - ;; - OSF1-V*) - # Digital OSF/1 - SHLIB_CFLAGS="" - SHLIB_LD='ld -shared -expect_unresolved "*"' - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}' - ;; - RISCos-*) - SHLIB_CFLAGS="-G 0" - SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0" - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".a" - DL_OBJS="tclLoadAout.o" - DL_LIBS="" - LD_FLAGS="-Wl,-D,08000000" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - ;; - SCO_SV-3.2*) - # Note, dlopen is available only on SCO 3.2.5 and greater. However, - # this test works, since "uname -s" was non-standard in 3.2.4 and - # below. - SHLIB_CFLAGS="-Kpic -belf" - SHLIB_LD="ld -G" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="" - LD_FLAGS="-belf -Wl,-Bexport" - LD_SEARCH_FLAGS="" - ;; - SINIX*5.4*) - SHLIB_CFLAGS="-K PIC" - SHLIB_LD="cc -G" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - ;; - SunOS-4*) - # CYGNUS LOCAL: gcc uses a different option than native cc. - if test "$GCC" = yes; then - SHLIB_CFLAGS="-fPIC" - SHLIB_LD="$CC -shared -fPIC" - else - SHLIB_CFLAGS="-PIC" - SHLIB_LD="ld" - fi - # END CYGNUS LOCAL - - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - LD_FLAGS="" - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - - # SunOS can't handle version numbers with dots in them in library - # specs, like -ltcl7.5, so use -ltcl75 instead. Also, it - # requires an extra version number at the end of .so file names. - # So, the library has to have a name like libtcl75.so.1.0 - - TCL_SHARED_LIB_SUFFIX='`echo ${VERSION} | tr -d .`.so.1.0' - TCL_UNSHARED_LIB_SUFFIX='`echo ${VERSION} | tr -d .`.a' - TCL_LIB_VERSIONS_OK=nodots - ;; - SunOS-5*) - # CYGNUS LOCAL: gcc uses a different option than native cc. - if test "$GCC" = yes; then - SHLIB_CFLAGS="-fPIC" - SHLIB_LD="$CC -shared -fPIC" - else - SHLIB_CFLAGS="-KPIC" - SHLIB_LD="/usr/ccs/bin/ld -G -z text" - fi - # END CYGNUS LOCAL - - # Note: need the LIBS below, otherwise Tk won't find Tcl's - # symbols when dynamically loaded into tclsh. - - SHLIB_LD_LIBS='${LIBS}' - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - # CYGNUS LOCAL: The GNU linker requires the -export-dynamic - # option to make all symbols visible in the dynamic symbol - # table. - hold_ldflags=$LDFLAGS - AC_MSG_CHECKING(for the ld -export-dynamic flag) - LDFLAGS="${LDFLAGS} -Wl,-export-dynamic" - AC_TRY_LINK(, [int i;], found=yes, found=no) - LDFLAGS=$hold_ldflags - AC_MSG_RESULT($found) - if test $found = yes; then - LD_FLAGS="-Wl,-export-dynamic" - LD_SEARCH_FLAGS='-Wl,-rpath,${LIB_RUNTIME_DIR}' - else - LD_FLAGS="" - LD_SEARCH_FLAGS='-R ${LIB_RUNTIME_DIR}' - fi - # END CYGNUS LOCAL - ;; - ULTRIX-4.*) - SHLIB_CFLAGS="-G 0" - SHLIB_SUFFIX=".a" - SHLIB_LD="echo tclLdAout $CC \{$SHLIB_CFLAGS\} | `pwd`/tclsh -r -G 0" - SHLIB_LD_LIBS='${LIBS}' - DL_OBJS="tclLoadAout.o" - DL_LIBS="" - # CYGNUS LOCAL: The GNU linker doesn't accept `-D 08000000'. It - # doesn't appear to be needed, either. - hold_ldflags="$LDFLAGS" - AC_MSG_CHECKING(whether ld accepts -D 08000000) - LD_FLAGS="-Wl,-D,08000000" - LDFLAGS="${LDFLAGS} -Wl,-D,08000000" - AC_TRY_LINK(, [int i;], found=yes, found=no) - LDFLAGS=$hold_ldflags - AC_MSG_RESULT($found) - if test $found = yes; then - LD_FLAGS="-Wl,-D,08000000" - else - LD_FLAGS="" - fi - # END CYGNUS LOCAL - LD_SEARCH_FLAGS='-L${LIB_RUNTIME_DIR}' - ;; - UNIX_SV* | UnixWare-5*) - SHLIB_CFLAGS="-KPIC" - SHLIB_LD="cc -G" - SHLIB_LD_LIBS="" - SHLIB_SUFFIX=".so" - DL_OBJS="tclLoadDl.o" - DL_LIBS="-ldl" - # Some UNIX_SV* systems (unixware 1.1.2 for example) have linkers - # that don't grok the -Bexport option. Test that it does. - hold_ldflags=$LDFLAGS - AC_MSG_CHECKING(for ld accepts -Bexport flag) - LDFLAGS="${LDFLAGS} -Wl,-Bexport" - AC_TRY_LINK(, [int i;], found=yes, found=no) - LDFLAGS=$hold_ldflags - AC_MSG_RESULT($found) - if test $found = yes; then - LD_FLAGS="-Wl,-Bexport" - else - LD_FLAGS="" - fi - LD_SEARCH_FLAGS="" - ;; -esac - -# Step 4: If pseudo-static linking is in use (see K. B. Kenny, "Dynamic -# Loading for Tcl -- What Became of It?". Proc. 2nd Tcl/Tk Workshop, -# New Orleans, LA, Computerized Processes Unlimited, 1994), then we need -# to determine which of several header files defines the a.out file -# format (a.out.h, sys/exec.h, or sys/exec_aout.h). At present, we -# support only a file format that is more or less version-7-compatible. -# In particular, -# - a.out files must begin with `struct exec'. -# - the N_TXTOFF on the `struct exec' must compute the seek address -# of the text segment -# - The `struct exec' must contain a_magic, a_text, a_data, a_bss -# and a_entry fields. -# The following compilation should succeed if and only if either sys/exec.h -# or a.out.h is usable for the purpose. -# -# Note that the modified COFF format used on MIPS Ultrix 4.x is usable; the -# `struct exec' includes a second header that contains information that -# duplicates the v7 fields that are needed. - -if test "x$DL_OBJS" = "xtclLoadAout.o" ; then - AC_MSG_CHECKING(sys/exec.h) - AC_TRY_COMPILE([#include <sys/exec.h>],[ - struct exec foo; - unsigned long seek; - int flag; -#if defined(__mips) || defined(mips) - seek = N_TXTOFF (foo.ex_f, foo.ex_o); -#else - seek = N_TXTOFF (foo); -#endif - flag = (foo.a_magic == OMAGIC); - return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry; -], tcl_ok=usable, tcl_ok=unusable) - AC_MSG_RESULT($tcl_ok) - if test $tcl_ok = usable; then - AC_DEFINE(USE_SYS_EXEC_H) - else - AC_MSG_CHECKING(a.out.h) - AC_TRY_COMPILE([#include <a.out.h>],[ - struct exec foo; - unsigned long seek; - int flag; -#if defined(__mips) || defined(mips) - seek = N_TXTOFF (foo.ex_f, foo.ex_o); -#else - seek = N_TXTOFF (foo); -#endif - flag = (foo.a_magic == OMAGIC); - return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry; - ], tcl_ok=usable, tcl_ok=unusable) - AC_MSG_RESULT($tcl_ok) - if test $tcl_ok = usable; then - AC_DEFINE(USE_A_OUT_H) - else - AC_MSG_CHECKING(sys/exec_aout.h) - AC_TRY_COMPILE([#include <sys/exec_aout.h>],[ - struct exec foo; - unsigned long seek; - int flag; -#if defined(__mips) || defined(mips) - seek = N_TXTOFF (foo.ex_f, foo.ex_o); -#else - seek = N_TXTOFF (foo); -#endif - flag = (foo.a_midmag == OMAGIC); - return foo.a_text + foo.a_data + foo.a_bss + foo.a_entry; - ], tcl_ok=usable, tcl_ok=unusable) - AC_MSG_RESULT($tcl_ok) - if test $tcl_ok = usable; then - AC_DEFINE(USE_SYS_EXEC_AOUT_H) - else - DL_OBJS="" - fi - fi - fi -fi - -# Step 5: disable dynamic loading if requested via a command-line switch. - -AC_ARG_ENABLE(load, [ --disable-load disallow dynamic loading and "load" command], - [tcl_ok=$enableval], [tcl_ok=yes]) -if test "$tcl_ok" = "no"; then - DL_OBJS="" -fi - -if test "x$DL_OBJS" != "x" ; then - BUILD_DLTEST="\$(DLTEST_TARGETS)" else - echo "Can't figure out how to do dynamic loading or shared libraries" - echo "on this system." - SHLIB_CFLAGS="" - SHLIB_LD="" - SHLIB_SUFFIX="" - DL_OBJS="tclLoadNone.o" - DL_LIBS="" - LD_FLAGS="" - LD_SEARCH_FLAGS="" - BUILD_DLTEST="" -fi - -# If we're running gcc, then change the C flags for compiling shared -# libraries to the right flags for gcc, instead of those for the -# standard manufacturer compiler. - -if test "$DL_OBJS" != "tclLoadNone.o" ; then - if test "$CC" = "gcc" -o `$CC -v 2>&1 | grep -c gcc` != "0" ; then - case $system in - AIX-*) - ;; - BSD/OS*) - ;; - IRIX*) - ;; - NetBSD-*|FreeBSD-*|OpenBSD-*) - ;; - RISCos-*) - ;; - ULTRIX-4.*) - ;; - *) - SHLIB_CFLAGS="-fPIC" - ;; - esac - fi -fi - -#-------------------------------------------------------------------- -# The statements below check for systems where POSIX-style -# non-blocking I/O (O_NONBLOCK) doesn't work or is unimplemented. -# On these systems (mostly older ones), use the old BSD-style -# FIONBIO approach instead. -#-------------------------------------------------------------------- - -AC_CHECK_HEADERS(sys/ioctl.h) -AC_CHECK_HEADERS(sys/filio.h) -AC_MSG_CHECKING([FIONBIO vs. O_NONBLOCK for nonblocking I/O]) -if test -f /usr/lib/NextStep/software_version; then - system=NEXTSTEP-`awk '/3/,/3/' /usr/lib/NextStep/software_version` -else - system=`uname -s`-`uname -r` - if test "$?" -ne 0 ; then - system=unknown - else - # Special check for weird MP-RAS system (uname returns weird - # results, and the version is kept in special file). - - if test -r /etc/.relid -a "X`uname -n`" = "X`uname -s`" ; then - system=MP-RAS-`awk '{print $3}' /etc/.relid'` - fi - if test "`uname -s`" = "AIX" ; then - system=AIX-`uname -v`.`uname -r` - fi - fi -fi -case $system in - # There used to be code here to use FIONBIO under AIX. However, it - # was reported that FIONBIO doesn't work under AIX 3.2.5. Since - # using O_NONBLOCK seems fine under AIX 4.*, I removed the FIONBIO - # code (JO, 5/31/97). - - OSF*) - AC_DEFINE(USE_FIONBIO) - AC_MSG_RESULT(FIONBIO) - ;; - SunOS-4*) - AC_DEFINE(USE_FIONBIO) - AC_MSG_RESULT(FIONBIO) - ;; - ULTRIX-4.*) - AC_DEFINE(USE_FIONBIO) - AC_MSG_RESULT(FIONBIO) - ;; - *) - AC_MSG_RESULT(O_NONBLOCK) - ;; -esac - -#-------------------------------------------------------------------- -# The statements below define a collection of symbols related to -# building libtcl as a shared library instead of a static library. -#-------------------------------------------------------------------- - -realRanlib=$RANLIB -if test "$TCL_SHARED_LIB_SUFFIX" = "" ; then - TCL_SHARED_LIB_SUFFIX='${VERSION}${SHLIB_SUFFIX}' -fi -if test "$TCL_UNSHARED_LIB_SUFFIX" = "" ; then - TCL_UNSHARED_LIB_SUFFIX='${VERSION}.a' -fi -AC_ARG_ENABLE(shared, - [ --enable-shared build libtcl as a shared library], - [tcl_ok=$enableval], [tcl_ok=no]) -# CYGNUS LOCAL: need extra variables for this information. -TCL_SHARED_LIB_FILE=dummy1 -TCL_UNSHARED_LIB_FILE=dummy2 -# END CYGNUS LOCAL -if test "$tcl_ok" = "yes" -a "${SHLIB_SUFFIX}" != "" ; then - TCL_SHARED_BUILD=1 - TCL_SHLIB_CFLAGS="${SHLIB_CFLAGS}" - TCL_LD_SEARCH_FLAGS="${LD_SEARCH_FLAGS}" - eval "TCL_LIB_FILE=libtcl${TCL_SHARED_LIB_SUFFIX}" - TCL_SHARED_LIB_FILE="$TCL_LIB_FILE" - if test "x$DL_OBJS" = "xtclLoadAout.o"; then - MAKE_LIB="ar cr \${TCL_LIB_FILE} \${OBJS}" - else - MAKE_LIB="\${SHLIB_LD} -o \${TCL_LIB_FILE} \${OBJS} ${SHLIB_LD_LIBS}" - RANLIB=":" - fi -else - TCL_SHARED_BUILD=0 - case $system in - BSD/OS*) - ;; - - AIX-*) - ;; - - *) - SHLIB_LD_LIBS="" - ;; - esac - TCL_SHLIB_CFLAGS="" - TCL_LD_SEARCH_FLAGS="" - eval "TCL_LIB_FILE=libtcl${TCL_UNSHARED_LIB_SUFFIX}" - TCL_UNSHARED_LIB_FILE="$TCL_LIB_FILE" - MAKE_LIB="$AR cr ${TCL_LIB_FILE} \${OBJS}" -fi - -# Note: in the following variable, it's important to use the absolute -# path name of the Tcl directory rather than "..": this is because -# AIX remembers this path and will attempt to use it at run-time to look -# up the Tcl library. - -if test "${TCL_LIB_VERSIONS_OK}" = "ok"; then - TCL_BUILD_LIB_SPEC="-L`pwd` -ltcl${VERSION}" - TCL_LIB_SPEC="-L${exec_prefix}/lib -ltcl${VERSION}" -else - TCL_BUILD_LIB_SPEC="-L`pwd` -ltcl`echo ${VERSION} | tr -d .`" - TCL_LIB_SPEC="-L${exec_prefix}/lib -ltcl`echo ${VERSION} | tr -d .`" + GCC= + test "${CFLAGS+set}" = set || CFLAGS="-g" fi +]) -TCL_LIB_FULL_PATH="`pwd`/${TCL_LIB_FILE}" +LIB_AC_PROG_CC +AC_CHECK_TOOL(AR, ar, ar) +AC_SUBST(AR) +AC_PROG_RANLIB +AC_PROG_INSTALL #-------------------------------------------------------------------- # The statements below define the symbol TCL_PACKAGE_PATH, which @@ -1353,36 +65,12 @@ else TCL_PACKAGE_PATH="${prefix}/lib" fi -AC_SUBST(BUILD_DLTEST) -AC_SUBST(DL_LIBS) -AC_SUBST(DL_OBJS) -AC_SUBST(LD_FLAGS) -AC_SUBST(MAKE_LIB) -AC_SUBST(MATH_LIBS) -AC_SUBST(SHLIB_CFLAGS) -AC_SUBST(SHLIB_LD) -AC_SUBST(SHLIB_LD_LIBS) -AC_SUBST(SHLIB_SUFFIX) -AC_SUBST(TCL_BUILD_LIB_SPEC) -AC_SUBST(TCL_LD_SEARCH_FLAGS) -AC_SUBST(TCL_LIB_FILE) -AC_SUBST(TCL_LIB_FULL_PATH) -AC_SUBST(TCL_LIB_FLAG) -AC_SUBST(TCL_LIB_SPEC) -AC_SUBST(TCL_LIB_VERSIONS_OK) -AC_SUBST(TCL_MAJOR_VERSION) -AC_SUBST(TCL_MINOR_VERSION) +TCL_LIBRARY = @datadir@/tcl$(VERSION) + +cross_cache=${srcdir}/cygwin-cache +. ${cross_cache} + AC_SUBST(TCL_PACKAGE_PATH) -AC_SUBST(TCL_PATCH_LEVEL) -AC_SUBST(TCL_SHARED_LIB_SUFFIX) -AC_SUBST(TCL_SHARED_BUILD) -AC_SUBST(TCL_SHLIB_CFLAGS) -AC_SUBST(TCL_SRC_DIR) -AC_SUBST(TCL_UNSHARED_LIB_SUFFIX) -AC_SUBST(TCL_VERSION) -# CYGNUS LOCAL -AC_SUBST(TCL_SHARED_LIB_FILE) -AC_SUBST(TCL_UNSHARED_LIB_FILE) -# END CYGNUS LOCAL +AC_SUBST(TCL_LIBRARY) -AC_OUTPUT(Makefile tclConfig.sh) +AC_OUTPUT([Makefile]) |