# 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>.
# Merged on Mon Feb 6 10:22:35 EST 1995 by
# Andy Dougherty <doughera@lafcol.lafayette.edu>
# 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"
-dlext="o"
+# 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"
# Trying to set this breaks the POSIX.c compilation
'') archname="$osname" ;;
esac
+cc=${cc:-cc}
+
case "$osvers" in
3*) d_fchmod=undef
ccflags="$ccflags -D_ALL_SOURCE"
# 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:$(BASEEXT).exp -e _nostart -lc"
+ lddlflags="$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
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 "$cc" in
+ gcc) ;;
+ cc_r) ;;
+ cc|xl[cC]_r)
echo >&4 "Switching cc to cc_r because of POSIX threads."
# xlc_r has been known to produce buggy code in AIX 4.3.2.
- # (e.g. pragma/overload core dumps)
+ # (e.g. pragma/overload core dumps) Let's suspect xlC_r, too.
# --jhi@iki.fi
cc=cc_r
if test ! -e /bin/cc_r; then
- cat >&4 <<EOM
+ cat >&4 <<EOM
For pthreads you should use the AIX C compiler cc_r.
-But I cannot find it in /bin.
+But I cannot find it as /bin/cc_r.
Cannot continue, aborting.
EOM
fi
- ;;
- '')
+ ;;
+ '')
cc=cc_r
- ;;
- *)
- cat >&4 <<EOM
+ ;;
+ *)
+ cat >&4 <<EOM
For pthreads you should use the AIX C compiler cc_r.
(now your compiler was set to '$cc')
Cannot continue, aborting.
EOM
- exit 1
+ exit 1
;;
- esac
-
- # Add the POSIX threads library and the re-entrant libc to lddflags.
- set `echo X "$lddlflags"| sed -e 's/ -lc$/ -lpthreads -lc_r/'`
- shift
- lddlflags="$*"
-
- # Add the POSIX threads library and the re-entrant libc to libswanted.
- # Make sure the c_r library is before the c library or
- # make will fail.
- set `echo X "$libswanted "| sed -e 's/ c / pthreads c_r /'`
- shift
- libswanted="$*"
+ esac
+
+ # c_rify libswanted.
+ set `echo X "$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="$*"
+
+ ;;
+esac
+EOCBU
+
+# This script UU/uselfs.cbu will get 'called-back' by Configure
+# after it has prompted the user for whether to use large files.
+cat > UU/uselfs.cbu <<'EOCBU'
+case "$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 $ldldflags"
+ libswanted="$libswanted $lflibs"
+ ;;
+ esac
+ lfcflags=''
+ lfldflags=''
+ lflibs=''
;;
esac
EOCBU
cat > UU/use64bits.cbu <<'EOCBU'
case "$use64bits" in
$define|true|[yY]*)
- case "`uname -r`" in
+ case "`oslevel`" in
3.*|4.[012].*)
cat >&4 <<EOM
-AIX `uname -r` does not support 64-bit interfaces.
-You should upgrade to at least AIX 4.3.
+AIX `oslevel` does not support 64-bit interfaces.
+You should upgrade to at least AIX 4.2.
EOM
exit 1
;;
esac
- ccflags="$ccflags `getconf XBS5_LPBIG_OFFBIG_CFLAGS 2>/dev/null`"
- ccflags="$ccflags -DUSE_LONG_LONG"
-
- ldflags="$ldflags `getconf XBS5_LPBIG_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).
- # Try it out: just uncomment the below line and rerun Configure:
-# echo >& "AIX $ldflags mystery" ; exit 1
- # Just don't ask me how AIX does it.
- # Therefore the line re-evaluating ldflags: it seems to drop the whatever
- # AIX managed to break. --jhi
- ldflags="`echo $ldflags`"
-
- libswanted="$libswanted `getconf XBS5_LPBIG_OFFBIG_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g'`"
+ case "$ccflags" in
+ *-DUSE_LONG_LONG*) ;;
+ *) ccflags="$ccflags -DUSE_LONG_LONG" ;;
+ esac
# When a 64-bit cc becomes available $archname64
# may need setting so that $archname gets it attached.
;;
esac
EOCBU
+# This script UU/uselongdouble.cbu will get 'called-back' by Configure
+# after it has prompted the user for whether to use long doubles.
+cat > UU/uselongdouble.cbu <<'EOCBU'
+case "$uselongdouble" in
+$define|true|[yY]*)
+ ccflags="$ccflags -qlongdouble"
+ # The explicit cc128, xlc128, xlC128 are not needed,
+ # the -qlongdouble should do the trick. --jhi
+ ;;
+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