# 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>
#
# - use nm in AIX 43x and above
# - gcc + threads now builds
-# - added support for socks, when Dccflags=-DSOCKS specified
+# [(added support for socks) Jul 99 SOCKS support rewritten]
#
# Notes:
#
# 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'
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 "$OBJECT_MODE" in
+32)
+ cat >&4 <<EOF
+
+You have OBJECT_MODE=32 set in the environment.
+I take this as a hint you do not want to
+build for a 64-bit address space. You will be
+given the opportunity to change this later.
+EOF
+ ;;
+64)
+ cat >&4 <<EOF
+
+You have OBJECT_MODE=64 set in the environment.
+This forces a full 64-bit build. If that is
+not what you intended, please terminate this
+program, unset it and restart.
+EOF
+ ;;
+*) ;;
+esac
+
# Trying to set this breaks the POSIX.c compilation
# Make setsockopt work correctly. See man page.
'') archname="$osname" ;;
esac
+cc=${cc:-cc}
+
case "$osvers" in
3*) d_fchmod=undef
ccflags="$ccflags -D_ALL_SOURCE"
#
# Tell perl which symbols to export for dynamic linking.
case "$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="$lddlflags -H512 -T512 -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -e _nostart"
+ lddlflags="$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:$(BASEEXT).exp -b noentry"
+ lddlflags="$lddlflags -bhalt:4 -bM:SRE -bI:\$(PERL_INC)/perl.exp -bE:\$(BASEEXT).exp -b noentry -lc"
;;
esac
-# Save this for backward compatibility for now.
-# Configure already (5.005_58) knows how to probe for
-# <socks.h> and libsocks. What sucks is that the name
-# of the socks library seems to be version dependent
-# (e.g. libsocks5), bleagh.
-#
-# if $ccflags contains -DSOCKS, then add socks library support.
-#
-# It is expected that libsocks.a resides in /usr/local/lib and that
-# socks.h resides in /usr/local/include. If these files live some
-# different place then modify
-#
-
-for arg in $ccflags ; do
-
- if [ "$arg" = "-DSOCKS" ] ; then
-
- sockslib=socks5
- incpath=/usr/local/include
- libpath=/usr/local/lib
-
- lddlflags="$lddlflags -l$sockslib"
-
- # setting $libs here breaks the optional libraries search
- # for some reason, so use $libswanted instead
- #libs="$libs -lsocks5"
-
- libswanted="$libswanted $sockslib"
-
- #
- # path for include file
- #
-
- locincpth="$locincpath /usr/local/include"
-
- #
- # path for library not needed, if in /usr/local/lib as that
- # directory is already searched.
- #
-
- #loclibpth="$loclibpath /usr/local/lib"
-
- break
-
- fi
-
-done
-
-lddllibc="-lc"
-
# This script UU/usethreads.cbu will get 'called-back' by Configure
# after it has prompted the user for whether to use threads.
cat > UU/usethreads.cbu <<'EOCBU'
case "$usethreads" in
$define|true|[yY]*)
- ccflags="$ccflags -DNEED_PTHREAD_INIT"
- case "$cc" in
- gcc) ;;
- cc_r) ;;
- cc|xlc_r)
+ ccflags="$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 '$cc')
Cannot continue, aborting.
EOM
- exit 1
+ exit 1
;;
- esac
-
- # Add the POSIX threads library and the re-entrant libc.
-
- lddllibc="-lpthreads -lc_r"
+ esac
+
+ # c_rify libswanted.
+ set `echo X "$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="$*"
+
+ # Insert pthreads to libswanted, before any libc or libC.
+ set `echo X "$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 / pthreads c_r /'`
- 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 $lflibs"
+ ;;
+ esac
+ lfcflags=''
+ lfldflags=''
+ lflibs=''
+ ;;
+esac
EOCBU
-lddlflags="$lddlflags $lddllibc"
+# This script UU/use64bitint.cbu will get 'called-back' by Configure
+# after it has prompted the user for whether to use 64 bit integers.
+cat > UU/use64bitint.cbu <<'EOCBU'
+case "$use64bitint" in
+$define|true|[yY]*)
+ case "`oslevel`" in
+ 3.*|4.[012].*)
+ cat >&4 <<EOM
+AIX `oslevel` does not support 64-bit interfaces.
+You should upgrade to at least AIX 4.3.
+EOM
+ exit 1
+ ;;
+ esac
+ ;;
+esac
+EOCBU
-# This script UU/use64bits.cbu will get 'called-back' by Configure
-# after it has prompted the user for whether to use 64 bits.
-cat > UU/use64bits.cbu <<'EOCBU'
-case "$use64bits" in
+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
$define|true|[yY]*)
- case "`uname -r`" in
+ case "`oslevel`" in
3.*|4.[012].*)
cat >&4 <<EOM
-AIX `uname -r` does not support 64-bit interfaces.
+AIX `oslevel` does not support 64-bit interfaces.
You should upgrade to at least AIX 4.3.
EOM
exit 1
;;
esac
- ccflags="$ccflags `getconf XBS5_LPBIG_OFFBIG_CFLAGS`"
- ccflags="$ccflags -DUSE_LONG_LONG"
- ldflags="$ldflags `getconf XBS5_LPBIG_OFFBIG_LDFLAGS`"
- libswanted="$libswanted `getconf XBS5_LPBIG_OFFBIG_LIBS`"
- # When a 64-bit cc becomes available $archname64
- # may need setting so that $archname gets it attached.
+ 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