#!/bin/sh
#
-# Written: Nov 1994 Wayne Scott (wscott@ichips.intel.com)
+# Written: Nov 1994 Wayne Scott <wscott@ichips.intel.com>
+#
+# Updated: 1997-8 Jarkko Hietaniemi <jhi@iki.fi>
#
# Create the export list for perl.
# Needed by AIX to do dynamic linking.
#
-# This simple program relys on 'global.sym' and other *.sym files
-# being up to date with all of the global symbols that a dynamic
-# link library might want to access.
+# This simple program relies on 'global.sym' and few other *.sym files
+# and the *var*.h files being up to date with all of the global
+# symbols that a dynamic link library might want to access.
#
-# Most symbols have a Perl_ prefix because that's what embed.h sticks
-# in front of them. Variations depend on binary compatibility with
-# Perl 5.003.
+# Most symbols have a Perl_ or PL_prefix because that's what embed.h
+# sticks in front of them.
#
+# AIX requires the list of external symbols (variables or functions)
+# that are made available for another executable object file the import.
+# The list is called the export file and it is a simple text file.
+# The first line must be
+#!
+# That is, hash-bang, pound-shout, however you want to call it.
+# The remainder of the file are the names of the symbols, one per line.
+# The file is then given to the system loader (cc/xlc command line)
+# as -bE:export.file.
case $CONFIG in
'')
echo "#!" > perl.exp
# No compat3 since 5.004_50.
-# perlio.sym will added below if needed.
-syms="global.sym interp.sym thread.sym"
+# No interp.sym since 5.005_03.
+# perlio.sym will added later if needed.
+
+syms="global.sym thread.sym"
-sed -n '/^[A-Za-z]/ s/^/Perl_/p' $syms >> perl.exp
+sed -n '/^[A-Za-z]/ s/^/Perl_/p' $syms >> perl.exp
-sed -n 's/^PERLVAR.*(G\([^,[]*\).*/Perl_\1/p' perlvars.h >> perl.exp
-sed -n 's/^PERLVAR.*(T\([^,[]*\).*/Perl_\1/p' thrdvar.h >> perl.exp
+sed -n 's/^PERLVAR.*(G\([^[,]*\).*/PL_\1/p' perlvars.h >> perl.exp
+sed -n 's/^PERLVAR.*(I\([^[,]*\).*/PL_\1/p' intrpvar.h >> perl.exp
+sed -n 's/^PERLVAR.*(T\([^[,]*\).*/PL_\1/p' thrdvar.h >> perl.exp
#
-# If we use the PerlIO abstraction layer, add its symbols
+# If we use the PerlIO abstraction layer, add its symbols.
#
-if [ $useperlio = "define" ]
+if [ "X$useperlio" = "Xdefine" ]
then
grep '^[A-Za-z]' perlio.sym >> perl.exp
fi
# not actually be defined, but there's no harm in that).
#
-cat <<END >> perl.exp
+cat >>perl.exp <<END
perl_init_i18nl10n
perl_init_i18nl14n
perl_new_collate
perl_eval_pv
perl_eval_sv
perl_require_pv
+cast_i32
+cast_iv
+cast_uv
+END
+
+case "$ccflags" in
+*-DHIDEMYMALLOC*)
+ cat >>perl.exp <<END
Mymalloc
Mycalloc
Myremalloc
Myfree
+END
+ ;;
+esac
+
+case "$ccflags" in
+*-DEMBEDMYMALLOC*)
+ cat >>perl.exp <<END
Perl_malloc
Perl_calloc
Perl_realloc
Perl_free
END
+ ;;
+esac
# The shebang line nicely sorts as the first one.
sort -o perl.exp -u perl.exp