# 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 "$OBJECT_MODE" in
+32)
+ cat >&4 <<EOF
+
+You have OBJECT_MODE=32 set in the environment.
+I take this as a hint you do not want to
+build for a 64-bit address space. You will be
+given the opportunity to change this later.
+EOF
+ ;;
+64)
+ cat >&4 <<EOF
+
+You have OBJECT_MODE=64 set in the environment.
+This forces a full 64-bit build. If that is
+not what you intended, please terminate this
+program, unset it and restart.
+EOF
+ ;;
+*) ;;
+esac
+
# Trying to set this breaks the POSIX.c compilation
# Make setsockopt work correctly. See man page.
'') archname="$osname" ;;
esac
+cc=${cc:-cc}
+
case "$osvers" in
3*) d_fchmod=undef
ccflags="$ccflags -D_ALL_SOURCE"
# symbol: boot_$(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="$lddlflags -H512 -T512 -bhalt:4 -bM:SRE -bI:\$(PERL_INC)/perl.exp -bE:\$(BASEEXT).exp -e _nostart -lc"
;;
*)
- lddlflags="$lddlflags -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -b noentry -lc"
+ lddlflags="$lddlflags -bhalt:4 -bM:SRE -bI:\$(PERL_INC)/perl.exp -bE:\$(BASEEXT).exp -b noentry -lc"
;;
esac
# (e.g. pragma/overload core dumps) Let's suspect xlC_r, too.
# --jhi@iki.fi
cc=cc_r
- if test ! -e /bin/cc_r; then
- cat >&4 <<EOM
-For pthreads you should use the AIX C compiler cc_r.
-But I cannot find it as /bin/cc_r.
-Cannot continue, aborting.
-EOM
- fi
;;
'')
cc=cc_r
esac
EOCBU
-# This script UU/use64bits.cbu will get 'called-back' by Configure
-# after it has prompted the user for whether to use 64 bits.
-cat > UU/use64bits.cbu <<'EOCBU'
-case "$use64bits" in
+# This script UU/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
$define|true|[yY]*)
case "`oslevel`" in
3.*|4.[012].*)
cat >&4 <<EOM
AIX `oslevel` does not support 64-bit interfaces.
-You should upgrade to at least AIX 4.2.
+You should upgrade to at least AIX 4.3.
EOM
exit 1
;;
esac
+ ;;
+esac
+EOCBU
+
+cat > UU/use64bitall.cbu <<'EOCBU'
+# This script UU/use64bitall.cbu will get 'called-back' by Configure
+# after it has prompted the user for whether to be maximally 64-bitty.
+case "$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 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_LONG_LONG*) ;;
- *) ccflags="$ccflags -DUSE_LONG_LONG" ;;
+ *-DUSE_64_BIT_ALL*) ;;
+ *) ccflags="$ccflags -DUSE_64_BIT_ALL";;
+ esac
+ case "$archname64" in
+ ''|64*) archname64=64all ;;
esac
- ccflags="$ccflags `getconf XBS5_ILP32_OFFBIG_CFLAGS 2>/dev/null`"
-
- ldflags="$ldflags `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 $ldflags mystery" ; exit 1
- # Just don't ask me how AIX does it.
- # Therefore the line re-evaluating ldflags: it seems to bypass
- # the whatever it was that AIX managed to break. --jhi
- ldflags="`echo $ldflags`"
-
- libswanted="$libswanted `getconf XBS5_ILP32_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 $archname gets it attached.
+ longsize="8"
+ # Don't try backwards compatibility
+ bincompat="$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"
# The explicit cc128, xlc128, xlC128 are not needed,
# the -qlongdouble should do the trick. --jhi
+ d_Gconvert='sprintf((b),"%.*llg",(n),(x))'
;;
esac
EOCBU