--- Makefile.PL.orig	2009-02-15 10:17:17.000000000 +0100
+++ Makefile.PL	2009-02-15 10:19:18.000000000 +0100
@@ -76,9 +76,9 @@
 my $inc = $pkgcfg{cflags};
 my $libs = $pkgcfg{libs};
 
-if ($libs =~ m#xulrunner-devel-([^/]+)#) {
+if ($libs =~ m#(lib|lib64)/xulrunner-(devel|sdk)-([^/]+)#) {
 	$inc .= qq( -DGTK_MOZ_EMBED_PERL_XULRUNNER_PATH=)
-	      . qq("\\"/usr/lib/xulrunner-$1\\"" );
+	      . qq("\\"/usr/$1/xulrunner-$3\\"" );
 }
 
 my $mozembed = ExtUtils::Depends->new('Gtk2::MozEmbed', 'Gtk2',