X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl_exp.SH;h=6bf0d7c941fa4bceffe3afbe64ca50a0ff88ec8d;hb=619ffc2be66f166b301c5b0d14a8bbba728675bc;hp=d964bdf60d72760961b422bc317a910094149286;hpb=71be2cbc73608e37e1a2ab7e459a02111137d1b0;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/perl_exp.SH b/perl_exp.SH
old mode 100755
new mode 100644
index d964bdf..6bf0d7c
--- 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' being up to date
-# with all of the global symbols that a dynamicly 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
 '')
@@ -38,34 +48,34 @@ echo "Extracting perl.exp"
 rm -f perl.exp
 echo "#!" > perl.exp
 
-case "$bincompat3" in
-y*)
-	(
-	  global=/tmp/exp$$g
-	  interp=/tmp/exp$$i
-	  compat3=/tmp/exp$$c
-	  trap 'rm -f $global $interp $compat3' 0
-	  trap 'exit 1' 1 2 3 13 15
-	  grep '^[A-Za-z]' global.sym | sort >$global
-	  grep '^[A-Za-z]' interp.sym | sort >$interp
-	  grep '^[A-Za-z]' compat3.sym | sort >$compat3
-	  comm -23 $global $compat3 | sed 's/^/Perl_/' >> perl.exp
-	  comm -12 $interp $compat3 | sed 's/^/Perl_/' >> perl.exp
-	  comm -12 $global $compat3 >> perl.exp
-	  comm -23 $interp $compat3 >> perl.exp
-	)
-	;;
-*)
-	sed -n '/^[A-Za-z]/ s/^/Perl_/p' global.sym interp.sym >> perl.exp
-	;;
-esac
+# 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/^/PL_/p'   globvar.sym           >> 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 [ "X$useperlio" = "Xdefine" ]
+then
+	grep '^[A-Za-z]' perlio.sym >> perl.exp
+fi
 
 #
 # Extra globals not included above (including a few that might
 # 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
@@ -87,13 +97,16 @@ perl_call_argv
 perl_call_pv
 perl_call_method
 perl_call_sv
-perl_requirepv
-Mymalloc
-Mycalloc
-Myremalloc
-Myfree
+perl_eval_pv
+perl_eval_sv
+perl_require_pv
 Perl_malloc
 Perl_calloc
 Perl_realloc
-Perl_free
+Perl_mfree
 END
+
+# The shebang line nicely sorts as the first one.
+sort -o perl.exp -u perl.exp
+
+# eof