From http://www.jwz.org/xscreensaver/xscreensaver-5.30.tar.gz

[xscreensaver] / OSX / update-info-plist.pl

diff --git a/OSX/update-info-plist.pl b/OSX/update-info-plist.pl
index 5c6181ce66ffbbb997b2a4eeab930626edbe9f2c..06624e9435bce831eb76da2a79ef8becde222b0f 100755 (executable)
--- a/OSX/update-info-plist.pl
+++ b/OSX/update-info-plist.pl
@@ -27,7 +27,7 @@ use IO::Compress::Gzip qw(gzip $GzipError);
 
 my ($exec_dir, $progname) = ($0 =~ m@^(.*?)/([^/]+)$@);
 
-my ($version) = ('$Revision: 1.33 $' =~ m/\s(\d[.\d]+)\s/s);
+my ($version) = ('$Revision: 1.35 $' =~ m/\s(\d[.\d]+)\s/s);
 
 $ENV{PATH} = "/usr/local/bin:$ENV{PATH}";   # for seticon
 
@@ -330,6 +330,37 @@ sub enable_gc($) {
 }
 
 
+sub fix_coretext($) {
+  my ($app_dir) = @_;
+
+  # In MacOS 10.8, they moved CoreText.framework from
+  # /System/Library/Frameworks/ApplicationServices.framework/Frameworks/
+  # to /System/Library/Frameworks/ which means that executables compiled
+  # on 10.8 and newer won't run on 10.7 and older because they can't find
+  # the library. Fortunately, 10.8 and later leave a symlink behind, so
+  # the old location still works. So we need our executables to contain
+  # an LC_LOAD_DYLIB pointing at the old directory instead of the new
+  # one.
+  # 
+  return if ($app_dir =~ m@-iphone@s);
+  my ($dir, $name) = ($app_dir =~ m@^(.*)/([^/]+)\.(app|saver)$@s);
+  error ("unparsable: $app_dir") unless $name;
+  my $exe = "$app_dir/Contents/MacOS/$name";
+
+  my $new = ("/System/Library/Frameworks/CoreText.framework/" .
+             "Versions/A/CoreText");
+  my $old = ("/System/Library/Frameworks/ApplicationServices.framework/" .
+             "Frameworks/CoreText.framework/Versions/A/CoreText");
+  my @cmd = ("install_name_tool", "-change", $new, $old, $exe);
+
+  print STDERR "$progname: exec: " . join(' ', @cmd) . "\n"
+    if ($verbose > 1);
+  system (@cmd);
+  my $exit  = $? >> 8;
+  exit ($exit) if $exit;
+}
+
+
 sub update($) {
   my ($app_dir) = @_;
 
@@ -392,6 +423,7 @@ sub update($) {
   set_icon ($app_dir);
   set_thumb ($app_dir);
 # enable_gc ($app_dir);
+  fix_coretext ($app_dir)
 }