# hints/irix_6.sh # # original from Krishna Sethuraman, krishna@sgi.com # # Modified Mon Jul 22 14:52:25 EDT 1996 # Andy Dougherty # with help from Dean Roehrich . # cc -n32 update info from Krishna Sethuraman, krishna@sgi.com. # additional update from Scott Henry, scotth@sgi.com # Futzed with by John Stoffel on 4/24/1997 # - assumes 'cc -n32' by default # - tries to check for various compiler versions and do the right # thing when it can # - warnings turned off (-n32 messages): # 1184 - "=" is used where where "==" may have been intended # 1552 - variable "foo" set but never used # Tweaked by Chip Salzenberg on 5/13/97 # - don't assume 'cc -n32' if the n32 libm.so is missing # Threaded by Jarkko Hietaniemi on 11/18/97 # - POSIX threads knowledge by IRIX version # gcc-enabled by Kurt Starsinic on 3/24/1998 # 64-bitty by Jarkko Hietaniemi on 9/1998 # Martin Pool added -shared for gcc on 2004-01-27 # Use sh Configure -Dcc='cc -n32' to try compiling with -n32. # or -Dcc='cc -n32 -mips3' (or -mips4) to force (non)portability # Don't bother with -n32 unless you have the 7.1 or later compilers. # But there's no quick and light-weight way to check in 6.2. # NOTE: some IRIX cc versions, e.g. 7.3.1.1m (try cc -version) have # been known to have issues (coredumps) when compiling perl.c. # If you've used -OPT:fast_io=ON and this happens, try removing it. # If that fails, or you didn't use that, then try adjusting other # optimization options (-LNO, -INLINE, -O3 to -O2, etcetera). # The compiler bug has been reported to SGI. # -- Allen Smith # Modified (10/30/04) to turn off usemallocwrap (PERL_MALLOC_WRAP) in -n32 # mode - Allen. case "$use64bitall" in $define|true|[yY]*) case "`uname -s`" in IRIX) cat <&2 You have asked for use64bitall but you aren't running on 64-bit IRIX. I'll try changing it to use64bitint. END use64bitall="$undef" case "`uname -r`" in [1-5]*|6.[01]) cat <&2 Sorry, can't do use64bitint either. Try upgrading to IRIX 6.2 or later. END use64bitint="$undef" ;; *) use64bitint="$define" ;; esac ;; esac ;; esac # Until we figure out what to be probed for in Configure (ditto for hpux.sh) case "$usemorebits" in # Need to expand this now, then. $define|true|[yY]*) case "`uname -r`" in [1-5]*|6.[01]) uselongdouble="$define" ;; *) use64bitint="$define" uselongdouble="$define" ;; esac esac # Let's assume we want to use 'cc -n32' by default, unless the # necessary libm is missing (which has happened at least twice) case "$cc" in '') case "$use64bitall" in "$define"|true|[yY]*) test -f /usr/lib64/libm.so && cc='cc -64' ;; *) test -f /usr/lib32/libm.so && cc='cc -n32' ;; esac esac case "$use64bitint" in "$define"|true|[yY]*) ;; *) d_casti32="$undef" ;; esac cc=${cc:-cc} cat=${cat:-cat} $cat > UU/cc.cbu <<'EOCCBU' # This script UU/cc.cbu will get 'called-back' by Configure after it # has prompted the user for the C compiler to use. case "$cc" in *gcc*) # With cc we can use -c99, but with gcc we just can't use C99 headers. # (There is a hidden define __c99 that cc uses, but trying to use that # with gcc leads into magnificent explosions.) i_stdint='undef' ;; *) ccversion=`cc -version 2>&1` ;; esac # Check for which compiler we're using case "$cc" in *"cc -n32"*) test -z "$ldlibpthname" && ldlibpthname='LD_LIBRARYN32_PATH' # If a library is requested to link against, make sure the # objects in the library are of the same ABI we are compiling # against. Albert Chin-A-Young # In other words, you no longer have to worry regarding having old # library paths (/usr/lib) in the searchpath for -n32 or -64; thank # you very much, Albert! Now if we could just get more module authors # to use something like this... - Allen libscheck='case "$xxx" in *.a) /bin/ar p $xxx `/bin/ar t $xxx | sed q` >$$.o; case "`/usr/bin/file $$.o`" in *N32*) rm -f $$.o ;; *) rm -f $$.o; xxx=/no/n32$xxx ;; esac ;; *) case "`/usr/bin/file $xxx`" in *N32*) ;; *) xxx=/no/n32$xxx ;; esac ;; esac' # NOTE: -L/usr/lib32 -L/lib32 are automatically selected by the linker test -z "$ldflags" && ldflags=' -L/usr/local/lib32 -L/usr/local/lib' cccdlflags=' ' # From: David Billinghurst # If you get complaints about so_locations then change the following # line to something like: # lddlflags="-n32 -shared -check_registry /usr/lib32/so_locations" test -z "$lddlflags" && lddlflags="-n32 -shared" test -z "$libc" && libc='/usr/lib32/libc.so' test -z "$plibpth" && plibpth='/usr/lib32 /lib32 /usr/ccs/lib' # PERL_MALLOC_WRAP gives false alarms ("panic: memory wrap") in IRIX # -n32 mode, resulting in perl compiles never getting further than # miniperl. I am not sure whether it actually does any good in -32 or # -64 mode, especially the latter, but it does not give false # alarms (in testing). -Allen usemallocwrap=${usemallocwrap:-false} ;; *"cc -64"*) case "`uname -s`" in IRIX) $cat >&4 < # If you get complaints about so_locations then change the following # line to something like: # lddlflags="-64 -shared -check_registry /usr/lib64/so_locations" test -z lddlflags="-64 -shared" test -z "$libc" && libc='/usr/lib64/libc.so' test -z "$plibpth" && plibpth='/usr/lib64 /lib64 /usr/ccs/lib' ;; *gcc*) ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME" test -z "$optimize" && optimize="-O3" usenm='undef' # It seems gcc can build Irix shlibs, but of course it needs # -shared. Otherwise you get link errors looking for main(). lddlflags="$lddlflags -shared" case "`uname -s`" in # Without the -mabi=64 gcc in 64-bit IRIX has problems passing # and returning small structures. This affects inet_*() and semctl(). # See http://groups.google.com/group/comp.sys.sgi.admin/msg/3ad8353bc4ce3cb0 # for more information. Reported by Lionel Cons . IRIX64) ccflags="$ccflags -mabi=64" ldflags="$ldflags -mabi=64 -L/usr/lib64" lddlflags="$lddlflags -mabi=64" ;; *) ccflags="$ccflags -DIRIX32_SEMUN_BROKEN_BY_GCC" # XXX Note: It is possible that turning off usemallocwrap is # needed here; insufficient data! - Allen ;; esac ;; *) # this is needed to force the old-32 paths # since the system default can be changed. ccflags="$ccflags -32 -D_BSD_TYPES -D_BSD_TIME -Olimit 3100" optimize='-O' ;; esac # Settings common to both native compiler modes. case "$cc" in *"cc -n32"*|*"cc -64"*) test -z "$ld" && ld=$cc # perl's malloc can return improperly aligned buffer # which (under 5.6.0RC1) leads into really bizarre bus errors # and freak test failures (lib/safe1 #18, for example), # even more so with -Duse64bitall: for example lib/io_linenumtb. # fails under the harness but succeeds when run separately, # under make test pragma/warnings #98 fails, and lib/io_dir # apparently coredumps (the last two don't happen under # the harness. Helmut Jarausch is seeing bus errors from # miniperl, as was Scott Henry with snapshots from just before # the RC1. --jhi usemymalloc='undef' # Was at the first of the line - Allen #malloc_cflags='ccflags="-DSTRICT_ALIGNMENT $ccflags"' nm_opt="$nm_opt -p" nm_so_opt="$nm_so_opt -p" # Warnings to turn off because the source code hasn't # been cleaned up enough yet to satisfy the IRIX cc. # 1047: macro redefinitions (in IRIX' own system headers!) # 1184: "=" is used where where "==" may have been intended. # 1552: The variable "foobar" is set but never used. woff=1184,1552 # Perl 5.004_57 introduced new qsort code into pp_ctl.c that # makes IRIX cc prior to 7.2.1 to emit bad code. # so some serious hackery follows to set pp_ctl flags correctly. # Check for which version of the compiler we're running case "`$cc -version 2>&1`" in *7.0*) # Mongoose 7.0 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff -OPT:Olimit=0" optimize='none' ;; *7.1*|*7.2|*7.20) # Mongoose 7.1+ ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff" case "$optimize" in '') optimize='-O3 -OPT:Olimit=0' ;; '-O') optimize='-O3 -OPT:Olimit=0' ;; *) ;; esac # This is a temporary fix for 5.005+. # See hints/README.hints, especially the section # =head2 Propagating variables to config.sh # Note the part about case statements not working without # weirdness like the below echo statement... and, since # we're in a callback unit, it's to config.sh, not UU/config.sh # - Allen pp_ctl_cflags="$pp_ctl_flags optimize=\"$optimize -O1\"" echo "pp_ctl_cflags=\"$pp_ctl_flags optimize=\\\"\$optimize -O1\\\"\"" >> config.sh ;; # XXX What is space=ON doing in here? Could someone ask Scott Henry? - Allen *7.*) # Mongoose 7.2.1+ ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff" case "$optimize" in '') optimize='-O3 -OPT:Olimit=0:space=ON' ;; '-O') optimize='-O3 -OPT:Olimit=0:space=ON' ;; *) ;; esac # Perl source has just grown too chummy with c99 # (headerwise, not code-wise: we use and such) ccflags="$ccflags -c99" ;; *6.2*) # Ragnarok 6.2 ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff" optimize='none' ;; *) # Be safe and not optimize ccflags="$ccflags -D_BSD_TYPES -D_BSD_TIME -woff $woff" optimize='none' ;; esac # this is to accommodate the 'modules' capability of the # 7.2 MIPSPro compilers, which allows for the compilers to be installed # in a nondefault location. Almost everything works as expected, but # /usr/include isn't caught properly. Hence see the /usr/include/pthread.h # change below to include TOOLROOT (a modules environment variable), # and the following code. Additional # code to accommodate the 'modules' environment should probably be added # here if possible, or be inserted as a ${TOOLROOT} reference before # absolute paths (again, see the pthread.h change below). # -- krishna@sgi.com, 8/23/98 if [ "X${TOOLROOT}" != "X" ]; then # we cant set cppflags because it gets overwritten # we dont actually need $TOOLROOT/usr/include on the cc line cuz the # modules functionality already includes it but # XXX - how do I change cppflags in the hints file? ccflags="$ccflags -I${TOOLROOT}/usr/include" usrinc="${TOOLROOT}/usr/include" fi ;; esac # workaround for an optimizer bug # Made to work via UU/config.sh thing (or, rather, config.sh, since we're in # a callback) from README.hints, plus further stuff; doesn't handle -g still, # unfortunately - Allen case "`$cc -version 2>&1`" in *7.2.*) test -z "$op_cflags" && echo "op_cflags=\"optimize=\\\"\$optimize -O1\\\"\"" >> config.sh test -z "$op_cflags" && op_cflags="optimize=\"\$optimize -O1\"" test -z "$opmini_cflags" && echo "opmini_cflags=\"optimize=\\\"\$optimize -O1\\\"\"" >> config.sh test -z "$opmini_cflags" && opmini_cflags="optimize=\"\$optimize -O1\"" ;; *7.3.1.*) test -z "$op_cflags" && echo "op_cflags=\"optimize=\\\"\$optimize -O2\\\"\"" >> config.sh test -z "$op_cflags" && op_cflags="$op_cflags optimize=\"\$optimize -O2\"" test -z "$opmini_cflags" && echo "opmini_cflags=\"optimize=\\\"\$optimize -O2\\\"\"" >> config.sh test -z "$opmini_cflags" && opmini_cflags="optimize=\"\$optimize -O2\"" ;; esac # Workaround [perl #33849]: perl 5.8.6 fails to build on IRIX 6.5 due to # bizarre preprocessor bug: cc -E - unfortunately goes into K&R mode, but # cc -E file.c doesn't. Force a wrapper to always get the ANSI mode. # (We only need to do this for cc, not for gcc. ccversion is computed above.) case "$ccversion" in '') ;; # gcc. Do nothing. *) # Inside this call-back unit, we are down in the UU/ subdirectory, # but Configure will look for cppstdin one level up. cd ..; cppstdin=`pwd`/cppstdin; cd UU cpprun="$cppstdin" ;; esac # There is a devious bug in the MIPSpro 7.4 compiler: # memcmp() is an inlined intrinsic, and "sometimes" it gets compiled wrong. # # In Perl the most obvious hit is regcomp.c:S_regpposixcc(), # causing bus errors when compiling the POSIX character classes like # /[[:digit:]], which means that miniperl cannot build perl. # (That is almost only the one victim: one single test in re/pat fails, also.) # # Therefore let's turn the inline intrinsics off and let the normal # libc versions be used instead. This may cause a performance hit # but a little slower is better than zero speed. # # MIPSpro C 7.4.1m is supposed to have fixed this bug. # case "$ccversion" in "MIPSpro Compilers: Version 7.4") ccflags="$ccflags -U__INLINE_INTRINSICS" ;; esac EOCCBU # End of cc.cbu callback unit. - Allen # We don't want these libraries. # Socket networking is in libc, these are not installed by default, # and just slow perl down. (scotth@sgi.com) # librt contains nothing we need (some places need it for Time::HiRes) --jhi set `echo X "$libswanted "|sed -e 's/ socket / /' -e 's/ nsl / /' -e 's/ dl / /' -e 's/ rt / /'` shift libswanted="$*" # I have conflicting reports about the sun, crypt, bsd, and PW # libraries on Irix 6.2. # # One user reports: # Don't need sun crypt bsd PW under 6.2. You *may* need to link # with these if you want to run perl built under 6.2 on a 5.3 machine # (I haven't checked) # # Another user reported that if he included those libraries, a large number # of the tests failed (approx. 20-25) and he would get a core dump. To # make things worse, test results were inconsistent, i.e., some of the # tests would pass some times and fail at other times. # The safest thing to do seems to be to eliminate them. # # Actually, the only libs that you want are '-lm'. Everything else # you need is in libc. You do also need '-lbsd' if you choose not # to use the -D_BSD_* defines. Note that as of 6.2 the only # difference between '-lmalloc' and '-lc' malloc is the debugging # and control calls, which aren't used by perl. -- scotth@sgi.com set `echo X "$libswanted "|sed -e 's/ sun / /' -e 's/ crypt / /' -e 's/ bsd / /' -e 's/ PW / /' -e 's/ malloc / /'` shift libswanted="$*" # libbind.{so|a} would be from a BIND/named installation - IRIX 6.5.* has # pretty much everything that would be useful in libbind in libc, including # accessing a local caching server (nsd) that will also look in /etc/hosts, # NIS (yuck!), etcetera. libbind also doesn't have the _r (thread-safe # reentrant) functions. # - Allen case "`uname -r`" in 6.5) set `echo X "$libswanted "|sed -e 's/ bind / /'` shift libswanted="$*" ;; esac # Don't groan about unused libraries. case "$ldflags" in *-Wl,-woff,84*) ;; *) ldflags="$ldflags -Wl,-woff,84" ;; esac # IRIX freeware kits sometimes have only o32 libraries for gdbm. # You can try Configure ... -Dlibswanted='m' -Dnoextensions='GDBM_File' # since the libm seems to be pretty much the only really needed library. # Irix 6.5.6 seems to have a broken header # don't include that (it doesn't contain S_IFMT, S_IFREG, et al) i_sysmode="$undef" $cat > UU/usethreads.cbu <<'EOCBU' # This script UU/usethreads.cbu will get 'called-back' by Configure # after it has prompted the user for whether to use threads. case "$usethreads" in $define|true|[yY]*) if test ! -f ${TOOLROOT}/usr/include/pthread.h -o ! -f /usr/lib/libpthread.so; then case "`uname -r`" in [1-5].*|6.[01]) cat >&4 <&4 <&4 <&4 <