--- quake2-data-3.20.ebuild.old	2006-07-09 20:09:42.000000000 +0200
+++ quake2-data-3.20.ebuild	2006-07-09 20:10:31.000000000 +0200
@@ -21,7 +21,8 @@
 pkg_setup() {
 	games_pkg_setup
 
-	if built_with_use "games-fps/quake2-demodata" symlink ; then
+	#hack for built_with_use, first test existence of package and then used use
+	if has_version "games-fps/quake2-demodata" && built_with_use "games-fps/quake2-demodata" symlink ; then
 		eerror "The symlink for the demo data conflicts with the cdinstall data"
 		die "Unmerge games-fps/quake2-demodata to remove the conflict"
 	fi