X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=hints%2Faix.sh;h=a5313d49c75da796925afda66afeb01d86211b49;hb=531b886104fed3302a6d671985aba5e2f6420dd5;hp=c4fcfc173cbff80dc4e40e878164c8827df7b9c2;hpb=14ae4f6a4b3f8239d84555d0543848340e075435;p=p5sagit%2Fp5-mst-13.2.git diff --git a/hints/aix.sh b/hints/aix.sh index c4fcfc1..a5313d4 100644 --- a/hints/aix.sh +++ b/hints/aix.sh @@ -2,30 +2,101 @@ # 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 . +# Jarkko Hietaniemi . +# AIX 4.3.x LP64 build by Steven Hirsch # Merged on Mon Feb 6 10:22:35 EST 1995 by # Andy Dougherty +# +# 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.*|4.3.0.*) + usenm='undef' + usenativedlopen='false' + ;; + *) + usenm='true' + usenativedlopen='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 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 "$OBJECT_MODE" in +32) + cat >&4 <&4 < # # Tell perl which symbols to export for dynamic linking. +cccdlflags='none' # All AIX code is position independent case "$cc" in -*gcc*) ccdlflags='-Xlinker -bE:perl.exp' ;; -*) ccdlflags='-bE:perl.exp' ;; +*gcc*) ccdlflags='-Xlinker' ;; +*) ccversion=`lslpp -L | grep 'C for AIX Compiler$' | awk '{print $2}'` + case "$ccversion" in + '') ccversion=`lslpp -L | grep 'IBM C and C++ Compilers LUM$' | awk '{print $2}'` + ;; + esac + case "$ccversion" in + 3.6.6.0) + optimize='none' + ;; + 4.4.0.0|4.4.0.1|4.4.0.2) + cat >&4 <&4 <&4 < "... c bind ..." + set `echo X "$libswanted "| sed -e 's/ bind\( .*\) \([cC]\) / \1 \2 bind /'` + shift + libswanted="$*" + ;; + esac + ;; + esac # This script UU/usethreads.cbu will get 'called-back' by Configure # after it has prompted the user for whether to use threads. cat > UU/usethreads.cbu <<'EOCBU' case "$usethreads" in $define|true|[yY]*) - ccflags="$ccflags -DNEED_PTHREAD_INIT" - case "$cc" in - xlc_r) ;; - cc) - echo >&4 "Switching cc to xlc_r because of POSIX threads." - cc=xlc_r - ;; - '' | cc_r) - cc=xlc_r - ;; - *) - cat >&4 <&4 "Switching cc to cc_r because of POSIX threads." + # xlc_r has been known to produce buggy code in AIX 4.3.2. + # (e.g. pragma/overload core dumps) Let's suspect xlC_r, too. + # --jhi@iki.fi + cc=cc_r + ;; + '') + cc=cc_r + ;; + *) + cat >&4 < UU/uselargefiles.cbu <<'EOCBU' +case "$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 + # _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 (a bug) in the shell, instead?) + # Try it out: just uncomment the below line and rerun Configure: +# echo >&4 "AIX 4.3.1.0 $ldflags_uselargefiles mystery" ; exit 1 + # Just don't ask me how AIX does it, I spent hours wondering. + # Therefore the line re-evaluating ldflags_uselargefiles: it seems to fix + # the whatever it was that AIX managed to break. --jhi + ldflags_uselargefiles="`echo $ldflags_uselargefiles`" + if test X"$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 $libswanted_uselargefiles" + ;; + esac + case "$gccversion" in + '') ;; + *) + cat >&4 <&4 "(using ccflags $ccflags)" + echo >&4 "(using ldflags $ldflags)" + echo >&4 "(using lddlflags $lddlflags)" + ;; esac + ;; +esac +EOCBU - # Add the POSIX threads library and the re-entrant libc. +# This script UU/use64bitint.cbu will get 'called-back' by Configure +# after it has prompted the user for whether to use 64 bit integers. +cat > UU/use64bitint.cbu <<'EOCBU' +case "$use64bitint" in +$define|true|[yY]*) + case "`oslevel`" in + 3.*|4.[012].*) + cat >&4 < UU/use64bitall.cbu <<'EOCBU' +# This script UU/use64bitall.cbu will get 'called-back' by Configure +# after it has prompted the user for whether to be maximally 64-bitty. +case "$use64bitall" in +$define|true|[yY]*) + case "`oslevel`" in + 3.*|4.[012].*) + cat >&4 <&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 < 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]*) + # -qlongdouble for cc taken out on 20010522 cause it + # causes more trouble than it does any good --hmb + d_Gconvert='sprintf((b),"%.*llg",((int)(n)),(x))' ;; esac EOCBU + +if test $usenativedlopen = 'true' +then + ccflags="$ccflags -DUSE_NATIVE_DLOPEN" + ldflags="$ldflags -brtl" +else + # If the C++ libraries, libC and libC_r, are available we will prefer them + # over the vanilla libc, because the libC contain loadAndInit() and + # terminateAndUnload() which work correctly with C++ statics while libc + # load() and unload() do not. See ext/DynaLoader/dl_aix.xs. + # The C-to-C_r switch is done by usethreads.cbu, if needed. + if test -f /lib/libC.a -a X"`$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 +fi + +# EOF