From http://www.jwz.org/xscreensaver/xscreensaver-5.22.tar.gz

[xscreensaver] / OSX / build-fntable.pl

diff --git a/OSX/build-fntable.pl b/OSX/build-fntable.pl
index f5e3b1f3dc69fc07c4d49854707b38783ef833d9..ed294aadbab9d8f62d003281f0cb1d865e2acf16 100755 (executable)
--- a/OSX/build-fntable.pl
+++ b/OSX/build-fntable.pl
@@ -1,5 +1,5 @@
 #!/usr/bin/perl -w
-# Copyright © 2012 Jamie Zawinski <jwz@jwz.org>
+# Copyright © 2012-2013 Jamie Zawinski <jwz@jwz.org>
 #
 # Permission to use, copy, modify, distribute, and sell this software and its
 # documentation for any purpose is hereby granted without fee, provided that
@@ -9,7 +9,7 @@
 # software for any purpose.  It is provided "as is" without express or 
 # implied warranty.
 #
-# Generates a .h file that lists all the function tables we use, because
+# Generates a .c file that lists all the function tables we use, because
 # CFBundleGetDataPointerForName doesn't work in "Archive" builds.
 # What a crock of shit.
 #
@@ -23,7 +23,7 @@ require 5;
 use strict;
 
 my $progname = $0; $progname =~ s@.*/@@g;
-my $version = q{ $Revision: 1.1 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
+my $version = q{ $Revision: 1.2 $ }; $version =~ s/^[^0-9]+([0-9.]+).*$/$1/;
 
 my $verbose = 1;
 
@@ -42,20 +42,40 @@ sub build_h($$) {
 
   my $suf = 'xscreensaver_function_table';
 
-  my $body = "extern struct $suf";
+  my $body = ("/* Generated file, do not edit.\n" .
+              "   Created: " . localtime() . " by $progname $version.\n" .
+              " */\n" .
+              "\n" .
+              "#import <Foundation/Foundation.h>\n" .
+              "#import <UIKit/UIKit.h>\n" .
+              "\n" .
+              "extern NSDictionary *make_function_table_dict(void);\n" .
+              "\n");
+
+  $body .= "extern struct $suf";
   foreach my $s (@names) {
     $body .= "\n *${s}_${suf},";
   }
   $body =~ s/,\s*$/;/s;
 
-  $body .= ("\n\n" .
-            "static NSDictionary *make_function_tables_dict(void)\n{\n" .
-            "  return\n    [NSDictionary dictionaryWithObjectsAndKeys:\n");
-  foreach my $s (@names) {
-    $body .= "\t[NSValue valueWithPointer:&${s}_${suf}], @\"${s}\",\n";
+  sub line($$) {
+    my ($s, $suf) = @_;
+    return "\t[NSValue valueWithPointer:&${s}_${suf}], @\"${s}\",\n";
   }
-  $body .= ("\tnil];\n" .
-            "}\n");
+
+  $body .= ("\n\n" .
+            "NSDictionary *make_function_table_dict(void)\n{\n" .
+            "  return\n    [NSDictionary dictionaryWithObjectsAndKeys:\n" .
+            "\n" .
+            "#if defined(APPLE2_ONLY)\n" .
+            " " . line('apple2', $suf) .
+            "#elif defined(PHOSPHOR_ONLY)\n" .
+            " " . line('phosphor', $suf) .
+            "#else\n");
+  foreach my $s (@names) { $body .= line($s, $suf); }
+  $body .= ("#endif\n" .
+            "\tnil];\n" .
+            "}\n\n");
 
   my $obody = '';
   if (open (my $in, '<', $outfile)) {
@@ -64,7 +84,11 @@ sub build_h($$) {
     close $in;
   }
 
-  if ($obody eq $body) {
+  # strip comments/date for diff.
+  my ($body2, $obody2) = ($body, $obody);
+  foreach ($body2, $obody2) { s@/\*.*?\*/@@gs; }
+
+  if ($body2 eq $obody2) {
     print STDERR "$progname: $outfile: unchanged\n" if ($verbose > 1);
   } else {
     my $file_tmp = "$outfile.tmp";
@@ -88,7 +112,7 @@ sub error($) {
 }
 
 sub usage() {
-  print STDERR "usage: $progname [--verbose] program.app output.h\n";
+  print STDERR "usage: $progname [--verbose] program.app output.c\n";
   exit 1;
 }