# 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>.
+# 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>
# 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 "$OBJECT_MODE" in
+32)
+ cat >&4 <<EOF
+
+You have OBJECT_MODE=32 set in the environment.
+I take this as a hint you do not want to
+build for a 64-bit address space. You will be
+given the opportunity to change this later.
+EOF
+ ;;
+64)
+ cat >&4 <<EOF
+
+You have OBJECT_MODE=64 set in the environment.
+This forces a full 64-bit build. If that is
+not what you intended, please terminate this
+program, unset it and restart.
+EOF
+ ;;
+*) ;;
+esac
+
# Trying to set this breaks the POSIX.c compilation
# Make setsockopt work correctly. See man page.
# (e.g. pragma/overload core dumps) Let's suspect xlC_r, too.
# --jhi@iki.fi
cc=cc_r
- if test ! -e /bin/cc_r; then
- cat >&4 <<EOM
-For pthreads you should use the AIX C compiler cc_r.
-But I cannot find it as /bin/cc_r.
-Cannot continue, aborting.
-EOM
- exit 1
- fi
;;
'')
cc=cc_r
# after it has prompted the user for whether to use large files.
cat > UU/uselfs.cbu <<'EOCBU'
case "$uselargefiles" in
-$define|true|[yY]*)
+''|$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
case "$lfcflags$lfldflags$lflibs" in
'');;
*) ccflags="$ccflags $lfcflags"
- ldflags="$ldflags $ldldflags"
+ ldflags="$ldflags $lfldflags"
libswanted="$libswanted $lflibs"
;;
esac
esac
EOCBU
-# This script UU/use64bits.cbu will get 'called-back' by Configure
-# after it has prompted the user for whether to use 64 bits.
-cat > UU/use64bits.cbu <<'EOCBU'
-case "$use64bits" in
+# 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
$define|true|[yY]*)
case "`oslevel`" in
3.*|4.[012].*)
cat >&4 <<EOM
AIX `oslevel` does not support 64-bit interfaces.
-You should upgrade to at least AIX 4.2.
+You should upgrade to at least AIX 4.3.
EOM
exit 1
;;
esac
+ ;;
+esac
+EOCBU
+
+cat > UU/use64bitall.cbu <<'EOCBU'
+# This script UU/use64bitall.cbu will get 'called-back' by Configure
+# after it has prompted the user for whether to be maximally 64-bitty.
+case "$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 uselfs 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_BITS*) ;;
- *) ccflags="$ccflags -DUSE_64_BITS" ;;
+ *-DUSE_64_BIT_ALL*) ;;
+ *) ccflags="$ccflags -DUSE_64_BIT_ALL";;
+ esac
+ case "$archname64" in
+ ''|64*) archname64=64all ;;
esac
- # When a 64-bit cc becomes available $archname64
- # may need setting so that $archname gets it attached.
+ longsize="8"
+ # Don't try backwards compatibility
+ bincompat="$undef"
+ d_bincompat5005="$undef"
+ lfcflags=''
+ lfldflags=''
+ lflibs=''
+ lfcpuwidth=''
;;
esac
EOCBU
+cat > UU/uselongdouble.cbu <<'EOCBU'
# This script UU/uselongdouble.cbu will get 'called-back' by Configure
# after it has prompted the user for whether to use long doubles.
-cat > UU/uselongdouble.cbu <<'EOCBU'
case "$uselongdouble" in
$define|true|[yY]*)
ccflags="$ccflags -qlongdouble"
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