--- dev-ruby/ffi/ffi-1.1.5.ebuild	2013-10-11 19:27:44.353183557 +0200
+++ dev-ruby/ffi/ffi-1.1.5.ebuild	2013-10-11 19:28:08.896879845 +0200
@@ -35,6 +35,10 @@
 
 ruby_add_rdepend "virtual/ruby-threads"
 
+all_ruby_prepare() {
+        epatch "${FILESDIR}/${P}-builder.patch"
+}
+
 each_ruby_prepare() {
 	case ${RUBY} in
 		*ruby19)