# hints/aix.sh
# 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>.
# Merged on Mon Feb 6 10:22:35 EST 1995 by
# Andy Dougherty <doughera@lafcol.lafayette.edu>
alignbytes=8
+usemymalloc='n'
+
+# Intuiting the existence of system calls under AIX is difficult,
+# at best; the safest technique is to find them empirically.
+usenm='undef'
+
+so="a"
+dlext="so"
+
# Make setsockopt work correctly. See man page.
# ccflags='-D_BSD=44'
case "$osvers" in
3*) d_fchmod=undef
- ccflags='-D_ALL_SOURCE'
+ ccflags="$ccflags -D_ALL_SOURCE"
;;
*) # These hints at least work for 4.x, possibly other systems too.
- d_setregid='undef'
- d_setreuid='undef'
- ccflags='-D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE'
+ ccflags="$ccflags -D_ALL_SOURCE -D_ANSI_C_SOURCE -D_POSIX_SOURCE"
+ case "$cc" in
+ *gcc*) ;;
+ *) ccflags="$ccflags -qmaxmem=8192" ;;
+ esac
nm_opt='-B'
- scope_cflags='optimize=" "'
;;
esac
+# These functions don't work like Perl expects them to.
+d_setregid='undef'
+d_setreuid='undef'
+
# Changes for dynamic linking by Wayne Scott <wscott@ichips.intel.com>
#
# Tell perl which symbols to export for dynamic linking.
-ccdlflags='-bE:perl.exp'
+case "$cc" in
+*gcc*) ccdlflags='-Xlinker -bE:perl.exp' ;;
+*) ccdlflags='-bE:perl.exp' ;;
+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_$(EXP) can it be auto-generated?
-lddlflags='-H512 -T512 -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -e _nostart -lc'
+case "$osvers" in
+3*)
+ lddlflags='-H512 -T512 -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -e _nostart -lc'
+ ;;
+*)
+ lddlflags='-bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -b noentry -lc'
+ ;;
+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 <<EOM
+For pthreads you should use the AIX C compiler xlc_r.
+(now your compiler was '$cc')
+Cannot continue, aborting.
+EOM
+ exit 1
+ ;;
+ esac
-# The '-e _nostart' might not be needed on AIX 4.1, but appears to be
-# harmless.
+ # Add the POSIX threads library and the re-entrant libc.
+
+ lddlflags=`echo $lddlflags | sed 's/ -lc$/ -lpthreads -lc_r -lc/'`
+
+ # 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 "$libswanted "| sed -e 's/ c / c_r c /'`
+ shift
+ libswanted="$*"
+ ;;
+esac
+EOCBU