X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=makedef.pl;h=1b3c2b5fe5649ce06093fbb529a55f63502afa08;hb=17eef65c2fb9a95edf9064575d3413b4ec8219b7;hp=b8d32cb538cc2a5b949d4c36bddc4a7ede14bbd3;hpb=dfc72f41b0aaceda3480a2bf23c0aba6675f43e9;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/makedef.pl b/makedef.pl
index b8d32cb..1b3c2b5 100644
--- a/makedef.pl
+++ b/makedef.pl
@@ -6,8 +6,32 @@
 # and by AIX for creating libperl.a when -Dusershrplib is in effect,
 # and by MacOS Classic.
 #
-# reads global.sym, pp.sym, perlvars.h, intrpvar.h, config.h
-# On OS/2 reads miniperl.map and the previous version of perl5.def as well
+# Reads from information stored in
+#
+#    config.h
+#    config.sh
+#    global.sym
+#    globvar.sym
+#    intrpvar.h
+#    macperl.sym  (on MacOS)
+#    miniperl.map (on OS/2)
+#    perl5.def    (on OS/2; this is the old version of the file being made)
+#    perlio.sym
+#    perlvars.h
+#
+# plus long lists of function names hard-coded directly in this script and
+# in the DATA section.
+#
+# Writes the result to STDOUT.
+#
+# Normally this script is invoked from a makefile (e.g. win32/Makefile),
+# which redirects STDOUT to a suitable file, such as:
+#
+#    perl5.def   OS/2
+#    perldll.def Windows
+#    perl.exp    AIX
+#    perl.imp    NetWare
+
 
 BEGIN { unshift @INC, "lib" }
 use strict;
@@ -129,6 +153,7 @@ while (<CFG>) {
     $define{$1} = 1 if /^\s*#\s*define\s+(MULTIPLICITY)\b/;
     $define{$1} = 1 if /^\s*#\s*define\s+(PERL_\w+)\b/;
     $define{$1} = 1 if /^\s*#\s*define\s+(USE_\w+)\b/;
+    $define{$1} = 1 if /^\s*#\s*define\s+(HAS_\w+)\b/;
 }
 close(CFG);
 
@@ -404,6 +429,10 @@ elsif ($PLATFORM eq 'aix') {
 		     PL_statusvalue_vms
 		     PL_sys_intern
 		     )]);
+    skip_symbols([qw(
+		     Perl_signbit
+		     )])
+	if $define{'HAS_SIGNBIT'};
     emit_symbols([qw(
 		     boot_DynaLoader
 		     )]);
@@ -1008,8 +1037,10 @@ my @layer_syms = qw(
 		    PerlIO_arg_fetch
 		    PerlIO_debug
 		    PerlIO_define_layer
+		    PerlIO_find_layer
 		    PerlIO_isutf8
 		    PerlIO_layer_fetch
+		    PerlIO_list_alloc
 		    PerlIO_list_free
 		    PerlIO_modestr
 		    PerlIO_parse_layers