make safesysmalloc() etc., always available; safemalloc() et al are

[perl5.git] / perl_exp.SH

diff --git a/perl_exp.SH b/perl_exp.SH
index f8fd973..6bf0d7c 100644 (file)
--- a/perl_exp.SH
+++ b/perl_exp.SH
@@ -1,18 +1,28 @@
 #!/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
 '')
@@ -38,20 +48,24 @@ echo "Extracting perl.exp"
 rm -f perl.exp
 echo "#!" > perl.exp
 
-# No compat3 since and including the 5.004_50.
-# perlio.sym added later if needed.
-syms=`ls -1 *.sym|egrep -v 'compat3|perlio'`
+# No compat3 since 5.004_50.
+# No interp.sym since 5.005_03.
+# perlio.sym will added later if needed.
+
+syms="global.sym pp.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 '/^[A-Za-z]/ s/^/PL_/p'   globvar.sym           >> 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
@@ -61,7 +75,7 @@ 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
@@ -86,14 +100,10 @@ perl_call_sv
 perl_eval_pv
 perl_eval_sv
 perl_require_pv
-Mymalloc
-Mycalloc
-Myremalloc
-Myfree
 Perl_malloc
 Perl_calloc
 Perl_realloc
-Perl_free
+Perl_mfree
 END
 
 # The shebang line nicely sorts as the first one.