diff options
Diffstat (limited to 'contrib/perl5/hints/aix.sh')
| -rw-r--r-- | contrib/perl5/hints/aix.sh | 331 |
1 files changed, 299 insertions, 32 deletions
diff --git a/contrib/perl5/hints/aix.sh b/contrib/perl5/hints/aix.sh index d2c45c0..d6f3dd7 100644 --- a/contrib/perl5/hints/aix.sh +++ b/contrib/perl5/hints/aix.sh @@ -2,30 +2,99 @@ # AIX 3.x.x hints thanks to Wayne Scott <wscott@ichips.intel.com> # AIX 4.1 hints thanks to Christopher Chan-Nui <channui@austin.ibm.com>. # AIX 4.1 pthreading by Christopher Chan-Nui <channui@austin.ibm.com> and -# Jarkko Hietaniemi <jhi@iki.fi>. +# Jarkko Hietaniemi <jhi@iki.fi>. +# AIX 4.3.x LP64 build by Steven Hirsch <hirschs@btv.ibm.com> # Merged on Mon Feb 6 10:22:35 EST 1995 by # Andy Dougherty <doughera@lafcol.lafayette.edu> +# +# 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 +# in /usr/local/lib/* it can override any subsequent builds of +# that same perl release. to make sure you know where the shared +# libperl.a is coming from do a 'dump -Hv perl' and check all the +# library search paths in the loader header. +# +# it would be nice to warn the user if a libperl.a exists that is +# going to override the current build, but that would be complex. +# +# better yet, a solid fix for this situation should be developed. +# # Configure finds setrgid and setruid, but they're useless. The man # 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 -usemymalloc='n' +case "$usemymalloc" in +'') usemymalloc='n' ;; +esac # Intuiting the existence of system calls under AIX is difficult, # at best; the safest technique is to find them empirically. -usenm='undef' + +# AIX 4.3.* and above default to using nm for symbol extraction +case "$osvers" in + 3.*|4.1.*|4.2.*) + usenm='undef' + ;; + *) + usenm='true' + ;; +esac so="a" +# 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 <bealzy@us.ibm.com> dlext="so" +# 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 "$OBJECT_MODE" in +32) + cat >&4 <<EOF + +You have OBJECT_MODE=32 set in the environment. +I take this as a hint you do not want to +build for a 64-bit address space. You will be +given the opportunity to change this later. +EOF + ;; +64) + cat >&4 <<EOF + +You have OBJECT_MODE=64 set in the environment. +This forces a full 64-bit build. If that is +not what you intended, please terminate this +program, unset it and restart. +EOF + ;; +*) ;; +esac + +# Trying to set this breaks the POSIX.c compilation + # Make setsockopt work correctly. See man page. # ccflags='-D_BSD=44' @@ -34,6 +103,8 @@ case "$archname" in '') archname="$osname" ;; esac +cc=${cc:-cc} + case "$osvers" in 3*) d_fchmod=undef ccflags="$ccflags -D_ALL_SOURCE" @@ -42,7 +113,7 @@ case "$osvers" in ccflags="$ccflags -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE" case "$cc" in *gcc*) ;; - *) ccflags="$ccflags -qmaxmem=8192" ;; + *) ccflags="$ccflags -qmaxmem=16384" ;; esac nm_opt='-B' ;; @@ -56,21 +127,26 @@ d_setreuid='undef' # # Tell perl which symbols to export for dynamic linking. case "$cc" in -*gcc*) ccdlflags='-Xlinker -bE:perl.exp' ;; -*) ccdlflags='-bE:perl.exp' ;; +*gcc*) ccdlflags='-Xlinker' ;; +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_$(EXP) can it be auto-generated? +# -bE:$(BASEEXT).exp Export these symbols. This file contains only one +# symbol: boot_$(EXP) can it be auto-generated? case "$osvers" in 3*) - lddlflags='-H512 -T512 -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -e _nostart -lc' + lddlflags="$lddlflags -H512 -T512 -bhalt:4 -bM:SRE -bI:\$(PERL_INC)/perl.exp -bE:\$(BASEEXT).exp -e _nostart -lc" ;; *) - lddlflags='-bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -b noentry -lc' + lddlflags="$lddlflags -bhalt:4 -bM:SRE -bI:\$(PERL_INC)/perl.exp -bE:\$(BASEEXT).exp -b noentry -lc" ;; esac @@ -79,39 +155,230 @@ esac cat > UU/usethreads.cbu <<'EOCBU' case "$usethreads" in $define|true|[yY]*) - ccflags="$ccflags -DNEED_PTHREAD_INIT" - case "$cc" in - cc_r) ;; - cc|xlc_r) + ccflags="$ccflags -DNEED_PTHREAD_INIT" + case "$cc" in + gcc) ;; + cc_r) ;; + cc|xl[cC]_r) echo >&4 "Switching cc to cc_r because of POSIX threads." # xlc_r has been known to produce buggy code in AIX 4.3.2. - # (e.g. pragma/overload core dumps) + # (e.g. pragma/overload core dumps) Let's suspect xlC_r, too. # --jhi@iki.fi cc=cc_r - ;; - '') + ;; + '') cc=cc_r - ;; - *) - cat >&4 <<EOM + ;; + *) + cat >&4 <<EOM For pthreads you should use the AIX C compiler cc_r. -(now your compiler was '$cc') +(now your compiler was set to '$cc') Cannot continue, aborting. EOM - exit 1 + exit 1 ;; - esac + esac - # Add the POSIX threads library and the re-entrant libc. + # c_rify libswanted. + set `echo X "$libswanted "| sed -e 's/ \([cC]\) / \1_r /g'` + shift + libswanted="$*" + # c_rify lddlflags. + set `echo X "$lddlflags "| sed -e 's/ \(-l[cC]\) / \1_r /g'` + shift + lddlflags="$*" - lddlflags=`echo $lddlflags | sed 's/ -lc$/ -lpthreads -lc_r -lc/'` + # Insert pthreads to libswanted, before any libc or libC. + set `echo X "$libswanted "| sed -e 's/ \([cC]\) / pthreads \1 /'` + shift + libswanted="$*" + # Insert pthreads to lddlflags, before any libc or libC. + set `echo X "$lddlflags " | sed -e 's/ \(-l[cC]\) / -lpthreads \1 /'` + shift + lddlflags="$*" - # Add the c_r library to the list of wanted libraries. - # Make sure the c_r library is before the c library or - # make will fail. - set `echo X "$libswanted "| sed -e 's/ c / c_r c /'` - shift - libswanted="$*" ;; esac EOCBU + +# This script UU/uselargefiles.cbu will get 'called-back' by Configure +# after it has prompted the user for whether to use large files. +cat > UU/uselargefiles.cbu <<'EOCBU' +case "$uselargefiles" in +''|$define|true|[yY]*) + lfcflags="`getconf XBS5_ILP32_OFFBIG_CFLAGS 2>/dev/null`" + lfldflags="`getconf XBS5_ILP32_OFFBIG_LDFLAGS 2>/dev/null`" + # _Somehow_ in AIX 4.3.1.0 the above getconf call manages to + # insert(?) *something* to $ldflags so that later (in Configure) evaluating + # $ldflags causes a newline after the '-b64' (the result of the getconf). + # (nothing strange shows up in $ldflags even in hexdump; + # so it may be something in the shell, instead?) + # Try it out: just uncomment the below line and rerun Configure: +# echo >&4 "AIX 4.3.1.0 $lfldflags mystery" ; exit 1 + # Just don't ask me how AIX does it, I spent hours wondering. + # Therefore the line re-evaluating lfldflags: it seems to fix + # the whatever it was that AIX managed to break. --jhi + lfldflags="`echo $lfldflags`" + lflibs="`getconf XBS5_ILP32_OFFBIG_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`" + case "$lfcflags$lfldflags$lflibs" in + '');; + *) ccflags="$ccflags $lfcflags" + ldflags="$ldflags $lfldflags" + libswanted="$libswanted $lflibs" + ;; + esac + lfcflags='' + lfldflags='' + lflibs='' + ;; +esac +EOCBU + +# This script UU/use64bitint.cbu will get 'called-back' by Configure +# after it has prompted the user for whether to use 64 bit integers. +cat > UU/use64bitint.cbu <<'EOCBU' +case "$use64bitint" in +$define|true|[yY]*) + case "`oslevel`" in + 3.*|4.[012].*) + cat >&4 <<EOM +AIX `oslevel` does not support 64-bit interfaces. +You should upgrade to at least AIX 4.3. +EOM + exit 1 + ;; + esac + ;; +esac +EOCBU + +cat > UU/use64bitall.cbu <<'EOCBU' +# This script UU/use64bitall.cbu will get 'called-back' by Configure +# after it has prompted the user for whether to be maximally 64-bitty. +case "$use64bitall" in +$define|true|[yY]*) + case "`oslevel`" in + 3.*|4.[012].*) + cat >&4 <<EOM +AIX `oslevel` does not support 64-bit interfaces. +You should upgrade to at least AIX 4.3. +EOM + exit 1 + ;; + esac + echo " " + echo "Checking the CPU width of your hardware..." >&4 + $cat >size.c <<EOCP +#include <stdio.h> +#include <sys/systemcfg.h> +int main (void) +{ + printf("%d\n",_system_configuration.width); + return(0); +} +EOCP + set size + if eval $compile_ok; then + lfcpuwidth=`./size` + echo "You are running on $lfcpuwidth bit hardware." + else + dflt="32" + echo " " + echo "(I can't seem to compile the test program. Guessing...)" + rp="What is the width of your CPU (in bits)?" + . ./myread + lfcpuwidth="$ans" + fi + $rm -f size.c size + case "$lfcpuwidth" in + 32*) + cat >&4 <<EOM +Bzzzt! At present, you can only perform a +full 64-bit build on a 64-bit machine. +EOM + exit 1 + ;; + esac + lfcflags="`getconf XBS5_LP64_OFF64_CFLAGS 2>/dev/null`" + lfldflags="`getconf XBS5_LP64_OFF64_LDFLAGS 2>/dev/null`" + # See jhi's comments above regarding this re-eval. I've + # seen similar weirdness in the form of: + # +# 1506-173 (W) Option lm is not valid. Enter xlc for list of valid options. + # + # error messages from 'cc -E' invocation. Again, the offending + # string is simply not detectable by any means. Since it doesn't + # do any harm, I didn't pursue it. -- sh + lfldflags="`echo $lfldflags`" + lflibs="`getconf XBS5_LP64_OFF64_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`" + # -q32 and -b32 may have been set by uselargefiles or user. + # Remove them. + ccflags="`echo $ccflags | sed -e 's@-q32@@'`" + ldflags="`echo $ldflags | sed -e 's@-b32@@'`" + # 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 $nm_opt" + # Note: Placing the 'lfcflags' variable into the 'ldflags' string + # is NOT a typo. ldlflags is passed to the C compiler for final + # linking, and it wants -q64 (-b64 is for ld only!). + case "$lfcflags$lfldflags$lflibs" in + '');; + *) ccflags="$ccflags $lfcflags" + ldflags="$ldflags $lfcflags" + lddlflags="$lfldflags $lddlflags" + libswanted="$libswanted $lflibs" + ;; + esac + case "$ccflags" in + *-DUSE_64_BIT_ALL*) ;; + *) ccflags="$ccflags -DUSE_64_BIT_ALL";; + esac + case "$archname64" in + ''|64*) archname64=64all ;; + esac + longsize="8" + # Don't try backwards compatibility + bincompat="$undef" + d_bincompat5005="$undef" + lfcflags='' + lfldflags='' + lflibs='' + lfcpuwidth='' + ;; +esac +EOCBU + +cat > UU/uselongdouble.cbu <<'EOCBU' +# This script UU/uselongdouble.cbu will get 'called-back' by Configure +# after it has prompted the user for whether to use long doubles. +case "$uselongdouble" in +$define|true|[yY]*) + ccflags="$ccflags -qlongdouble" + # The explicit cc128, xlc128, xlC128 are not needed, + # the -qlongdouble should do the trick. --jhi + d_Gconvert='sprintf((b),"%.*llg",(n),(x))' + ;; +esac +EOCBU + +# If the C++ libraries, libC and libC_r, are available we will prefer them +# over the vanilla libc, because the libC contain loadAndInit() and +# terminateAndUnload() which work correctly with C++ statics while libc +# load() and unload() do not. See ext/DynaLoader/dl_aix.xs. +# The C-to-C_r switch is done by usethreads.cbu, if needed. +if test -f /lib/libC.a -a X"`$cc -v 2>&1 | grep gcc`" = X; then + # 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 + +# EOF |
