X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=hints%2Faix.sh;h=23fcfb79105d4b4948de7797faa1ccab3189f305;hb=00eb3f2b8b380581ce926a5330c21ff590bf4324;hp=0f9553a5c73db801877a8887881027f0a62d352e;hpb=6e58d65cdee942efacbebb436841cff48d4c4061;p=p5sagit%2Fp5-mst-13.2.git diff --git a/hints/aix.sh b/hints/aix.sh index 0f9553a..23fcfb7 100644 --- a/hints/aix.sh +++ b/hints/aix.sh @@ -1,24 +1,16 @@ # hints/aix.sh -# AIX 3.x.x hints thanks to Wayne Scott -# AIX 4.1 hints thanks to Christopher Chan-Nui . -# AIX 4.1 pthreading by Christopher Chan-Nui and -# Jarkko Hietaniemi . -# Merged on Mon Feb 6 10:22:35 EST 1995 by -# Andy Dougherty -# +# AIX 3 and AIX 4 are split off to aix_3.sh and aix_4.sh +# early Feb 2004 by H.Merijn Brand +# please read comments in there for historic questions. +# many now stripped here + # Contact dfavor@corridor.com for any of the following: # # - AIX 43x and above support # - gcc + threads support # - socks support # -# Apr 99 changes: -# -# - use nm in AIX 43x and above -# - gcc + threads now builds -# [(added support for socks) Jul 99 SOCKS support rewritten] -# # Notes: # # - shared libperl support is tricky. if ever libperl.a ends up @@ -37,55 +29,70 @@ # pages state: # setrgid: The EPERM error code is always returned. # setruid: The EPERM error code is always returned. Processes cannot -# reset only their real user IDs. +# reset only their real user IDs. d_setrgid='undef' d_setruid='undef' alignbytes=8 case "$usemymalloc" in -'') usemymalloc='n' ;; -esac + '') usemymalloc='n' ;; + esac + +# malloc wrap works, but not in vac-5, see later +case "$usemallocwrap" in + '') usemallocwrap='define' ;; + esac # Intuiting the existence of system calls under AIX is difficult, # at best; the safest technique is to find them empirically. -# AIX 4.3.* and above default to using nm for symbol extraction -case "$osvers" in - 3.*|4.1.*|4.2.*) - usenm='undef' - ;; - *) - usenm='true' - ;; -esac +case "$usenativedlopen" in + '') usenativedlopen='true' ;; + esac so="a" -dlext="o" +# AIX itself uses .o (libc.o) but we prefer compatibility +# with the rest of the world and with rest of the scripting +# languages (Tcl, Python) and related systems (SWIG). +# Stephanie Beals +dlext="so" -# Trying to set this breaks the POSIX.c compilation +# Take possible hint from the environment. If 32-bit is set in the +# environment, we can override it later. If set for 64, the +# 'sizeof' test sees a native 64-bit architecture and never looks back. +case "$OBJECT_MODE" in + 32) cat >&4 <&4 < # # Tell perl which symbols to export for dynamic linking. +cccdlflags='none' # All AIX code is position independent + cc_type=xlc # do not export to config.sh case "$cc" in -*gcc*) ccdlflags='-Xlinker' ;; -esac + *gcc*) + cc_type=gcc + ccdlflags='-Xlinker' + if [ "X$gccversion" = "X" ]; then + # Done too late in Configure if hinted + gccversion=`$cc -dumpversion` + fi + ;; + + *) ccversion=`lslpp -ql -Ou vac.C | grep -v '^Path' | head -1 | awk '{print $1,$2}'` + case "$ccversion" in + '') ccversion=`lslpp -L | grep 'IBM C and C++ Compilers LUM$'` ;; + + *.*.*.*.*.*.*) # Ahhrgg, more than one C compiler installed + first_cc_path=`which ${cc:-cc}` + case "$first_cc_path" in + *vac*) + cc_type=vac ;; + + /usr/bin/cc) # Check the symlink + if [ -h $first_cc_path ] ; then + ls -l $first_cc_path > reflect + if grep -i vac reflect >/dev/null 2>&1 ; then + cc_type=vac + fi + rm -f reflect + fi + ;; + esac + ccversion=`lslpp -L | grep 'C for AIX Compiler$' | grep -i $cc_type | head -1` + ;; + + vac*.*.*.*) + cc_type=vac + ;; + esac + + ccversion=`echo "$ccversion" | awk '{print $2}'` + # Redbooks state AIX-5 only supports vac-5.0.2.0 and up + case "$ccversion" in + 5*) usemallocwrap='n' ;; # panic in miniperl + esac + ;; + esac + # the required -bE:$installarchlib/CORE/perl.exp is added by # libperl.U (Configure) later. -case "$ldlibpthname" in -'') ldlibpthname=LIBPATH ;; -esac - # The first 3 options would not be needed if dynamic libs. could be linked # with the compiler instead of ld. # -bI:$(PERL_INC)/perl.exp Read the exported symbols from the perl binary -# -bE:$(BASEEXT).exp Export these symbols. This file contains only one -# symbol: boot_$(EXP) can it be auto-generated? -case "$osvers" in -3*) - lddlflags="$lddlflags -H512 -T512 -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -e _nostart -lc" - ;; -*) - lddlflags="$lddlflags -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -b noentry -lc" - ;; -esac +# -bE:$(BASEEXT).exp Export these symbols. This file contains only one +# symbol: boot_$(EXP) can it be auto-generated? +if test $usenativedlopen = 'true' ; then + lddlflags="$lddlflags -bhalt:4 -bexpall -G -bnoentry -lc" +else + lddlflags="$lddlflags -bhalt:4 -bM:SRE -bI:\$(PERL_INC)/perl.exp -bE:\$(BASEEXT).exp -bnoentry -lc" + fi + +case "$use64bitall" in + $define|true|[yY]*) use64bitint="$define" ;; + esac + +case "$usemorebits" in + $define|true|[yY]*) use64bitint="$define"; uselongdouble="$define" ;; + esac -# This script UU/usethreads.cbu will get 'called-back' by Configure +case $cc_type in + vac|xlc) + case "$uselongdouble" in + $define|true|[yY]*) + ccflags="$ccflags -qlongdouble" + libswanted="c128 $libswanted" + lddlflags=`echo "$lddlflags " | sed -e 's/ -lc / -lc128 -lc /'` + ;; + esac + ;; + esac + +case "$cc" in + *gcc*) ;; + + cc*|xlc*) # cc should've been set by line 116 or so if empty. + if test ! -x /usr/bin/$cc -a -x /usr/vac/bin/$cc; then + case ":$PATH:" in + *:/usr/vac/bin:*) ;; + *) if test ! -x /QOpenSys/usr/bin/$cc; then + # The /QOpenSys/usr/bin/$cc saves us if we are + # building natively in OS/400 PASE. + cat >&4 < UU/usethreads.cbu <<'EOCBU' case "$usethreads" in -$define|true|[yY]*) - ccflags="$ccflags -DNEED_PTHREAD_INIT" - case "$cc" in - gcc) ;; - cc_r) ;; - cc|xlc_r) - echo >&4 "Switching cc to cc_r because of POSIX threads." - # xlc_r has been known to produce buggy code in AIX 4.3.2. - # (e.g. pragma/overload core dumps) - # --jhi@iki.fi - cc=cc_r - if test ! -e /bin/cc_r; then - cat >&4 <&4 <&4 "Switching cc to cc_r because of POSIX threads." + # xlc_r has been known to produce buggy code in AIX 4.3.2. + # (e.g. pragma/overload core dumps) Let's suspect xlC_r, too. + # --jhi@iki.fi + cc="$newcc" + ;; + + *) + cat >&4 < UU/use64bits.cbu <<'EOCBU' -case "$use64bits" in -$define|true|[yY]*) - case "`uname -r`" in - 3.*|4.[012].*) +# This script UU/uselargefiles.cbu will get 'called-back' by Configure +# after it has prompted the user for whether to use large files. +cat > UU/uselargefiles.cbu <<'EOCBU' +case "$uselargefiles" in + ''|$define|true|[yY]*) + # Configure should take care of use64bitint and use64bitall being + # defined before uselargefiles.cbu is consulted. + if test X"$use64bitint:$quadtype" = X"$define:long" -o X"$use64bitall" = Xdefine; then +# Keep these at the left margin. +ccflags_uselargefiles="`getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null`" +ldflags_uselargefiles="`getconf XBS5_LP64_OFF64_LDFLAGS 2>/dev/null`" + else +# Keep these at the left margin. +ccflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_CFLAGS 2>/dev/null`" +ldflags_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LDFLAGS 2>/dev/null`" + fi + if test X"$use64bitint:$quadtype" = X"$define:long" -o X"$use64bitall" = Xdefine; then +# Keep this at the left margin. +libswanted_uselargefiles="`getconf XBS5_LP64_OFF64_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`" + else +# Keep this at the left margin. +libswanted_uselargefiles="`getconf XBS5_ILP32_OFFBIG_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`" + fi + + case "$ccflags_uselargefiles$ldflags_uselargefiles$libs_uselargefiles" in + '') ;; + *) ccflags="$ccflags $ccflags_uselargefiles" + ldflags="$ldflags $ldflags_uselargefiles" + libswanted="$libswanted $libswanted_uselargefiles" + ;; + esac + + # -bmaxdata:0x80000000 + # - This increases the size of heap memory available to perl. + # Default is 256 MB, which sounds large but caused a software + # vendor problems. So this sets heap to 2 GB maximum. Anything + # higher and you'd want to consider 64 bit perl. + # - NOTE however, that setting this in 64bit mode will limit your + # amount of available memory to 2GB, so we set this only in + # 32bit mode to avoid future problems a la "should be enough + # for everyone" ... + # + case "$use64bitall" in + $define|true|[yY]*) + : + ;; + *) + ldflags="$ldflags -bmaxdata:0x80000000" + ;; + esac + + case "$gccversion" in + '') # Not using gcc. + # Due to calling $cc without $cflags when linking some + # binaries we need to hardwire $cc to the right mode. + # The correct fix would be to have Makefile.SH not set + # CLDFLAGS from $ldflags ... + case "$use64bitall" in + $define|true|[yY]*) cc="$cc -q64" ;; + *) cc="$cc -q32" ;; + esac + ;; + *) # Remove xlc-specific -qflags. + ccflags="`echo $ccflags | sed -e 's@ -q[^ ]*@ @g' -e 's@^-q[^ ]* @@g'`" + ldflags="`echo $ldflags | sed -e 's@ -q[^ ]*@ @g' -e 's@^-q[^ ]* @@g'`" + # Move xlc-specific -bflags. + ccflags="`echo $ccflags | sed -e 's@ -b@ -Wl,-b@g'`" + ldflags="`echo ' '$ldflags | sed -e 's@ -b@ -Wl,-b@g'`" + lddlflags="`echo ' '$lddlflags | sed -e 's@ -b@ -Wl,-b@g'`" + lddlflags="`echo ' '$lddlflags | sed -e 's@ -G @ -Wl,-G @g'`" + + # Due to calling $cc without $cflags when linking some + # binaries we need to hardwire $cc to the right mode. + case "$use64bitall" in + $define|true|[yY]*) + cc="$cc -maix64" + ld="$cc" + ;; + *) + cc="$cc -maix32" + ld="$cc" + ;; + esac + echo >&4 "(using ccflags $ccflags)" + echo >&4 "(using ldflags $ldflags)" + echo >&4 "(using lddlflags $lddlflags)" + ;; + esac + ;; + esac +EOCBU + +cat > UU/use64bitall.cbu <<'EOCBU' +# This script UU/use64bitall.cbu will get 'called-back' by Configure +# after it has prompted the user for whether to be maximally 64-bitty. +case "$use64bitall" in + $define|true|[yY]*) + echo " " + echo "Checking the CPU width of your hardware..." >&4 + $cat >size.c < +#include +int main (void) +{ + printf ("%d\n", _system_configuration.width); + return (0); + } +EOCP + set size + if eval $compile_ok; then + qacpuwidth=`./size` + echo "You are running on $qacpuwidth bit hardware." + else + dflt="32" + echo " " + echo "(I can't seem to compile the test program. Guessing...)" + rp="What is the width of your CPU (in bits)?" + . ./myread + qacpuwidth="$ans" + fi + $rm -f size.c size + + case "$qacpuwidth" in + 32*) cat >&4 <& "AIX $ldflags mystery" ; exit 1 - # Just don't ask me how AIX does it. - # Therefore the line re-evaluating ldflags: it seems to drop the whatever - # AIX managed to break. --jhi - ldflags="`echo $ldflags`" - - libswanted="$libswanted `getconf XBS5_LPBIG_OFFBIG_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g'`" - # When a 64-bit cc becomes available $archname64 - # may need setting so that $archname gets it attached. - ;; -esac + # Tell archiver to use large format. Unless we remove 'ar' + # from 'trylist', the Configure script will just reset it to 'ar' + # immediately prior to writing config.sh. This took me hours + # to figure out. + trylist="`echo $trylist | sed -e 's@^ar @@' -e 's@ ar @ @g' -e 's@ ar$@@'`" + ar="ar -X64" + nm_opt="-X64 $nm_opt" + case "$qacflags$qaldflags$qalibs" in + '') ;; + *) ccflags="$ccflags $qacflags" + ldflags="$ldflags" + lddlflags="$qaldflags $lddlflags" + libswanted="$libswanted $qalibs" + ;; + esac + case "$ccflags" in + *-DUSE_64_BIT_ALL*) ;; + *) ccflags="$ccflags -DUSE_64_BIT_ALL";; + esac + case "$archname64" in + ''|64*) archname64=64all ;; + esac + longsize="8" + qacflags='' + qaldflags='' + qalibs='' + qacpuwidth='' + ;; + esac EOCBU +if test $usenativedlopen = 'true' ; then + ccflags="$ccflags -DUSE_NATIVE_DLOPEN" + # -brtl Enables a binary to use run time linking + # -bdynamic When used with -brtl, tells linker to search for + # ".so"-suffix libraries as well as ".a" suffix + # libraries. AIX allows both .so and .a libraries to + # contain dynamic shared objects. + case "$cc" in + *gcc*) ldflags="$ldflags -Wl,-brtl -Wl,-bdynamic" ;; + *) ldflags="$ldflags -brtl -bdynamic" ;; + esac +elif test -f /lib/libC.a -a X"`$cc -v 2>&1 | grep gcc`" = X; then + # If the C++ libraries, libC and libC_r, are available we will + # prefer them over the vanilla libc, because the libC contain + # loadAndInit() and terminateAndUnload() which work correctly + # with C++ statics while libc load() and unload() do not. See + # ext/DynaLoader/dl_aix.xs. The C-to-C_r switch is done by + # usethreads.cbu, if needed. + + # Cify libswanted. + set `echo X "$libswanted "| sed -e 's/ c / C c /'` + shift + libswanted="$*" + # Cify lddlflags. + set `echo X "$lddlflags "| sed -e 's/ -lc / -lC -lc /'` + shift + lddlflags="$*" + fi + +case "$PASE" in + define) + case "$prefix" in + '') prefix=/QOpenSys/perl ;; + esac + cat >&4 <