diff -ruN klayout-0.22.8.orig/build.sh klayout-0.22.8/build.sh
--- klayout-0.22.8.orig/build.sh	2013-06-22 00:43:11.000000000 +0200
+++ klayout-0.22.8/build.sh	2013-10-13 20:13:36.493108910 +0200
@@ -62,10 +62,10 @@
 RUBYINCLUDE2="not-used"
 RUBYLIBFILE=""
 
-RUBY=""
-if [ "`ruby1.9 -v`" != "" ]; then RUBY="ruby1.9"; fi
-if [ "`ruby1.8 -v`" != "" ]; then RUBY="ruby1.8"; fi
-if [ "`ruby -v`" != "" ]; then RUBY="ruby"; fi
+#RUBY=""
+#if [ "`ruby1.9 -v`" != "" ]; then RUBY="ruby1.9"; fi
+#if [ "`ruby1.8 -v`" != "" ]; then RUBY="ruby1.8"; fi
+#if [ "`ruby -v`" != "" ]; then RUBY="ruby"; fi
 if [ "$RUBY" != "" ]; then
 
   echo "Found ruby interpreter: $RUBY"