Index: ruby-ng.eclass
===================================================================
RCS file: /var/cvsroot/gentoo-x86/eclass/ruby-ng.eclass,v
retrieving revision 1.52
diff -u -B -r1.52 ruby-ng.eclass
--- ruby-ng.eclass	23 Jun 2013 14:56:07 -0000	1.52
+++ ruby-ng.eclass	27 Oct 2013 18:22:07 -0000
@@ -407,12 +407,14 @@
 # @DESCRIPTION:
 # Check whether at least one ruby target implementation is present.
 ruby-ng_pkg_setup() {
-	# This only checks that at least one implementation is present
-	# before doing anything; by leaving the parameters empty we know
-	# it's a special case.
-	_ruby_each_implementation
+	if [[ ${RUBY_OPTIONAL} != yes ]] || use ruby ; then
+		# This only checks that at least one implementation is present
+		# before doing anything; by leaving the parameters empty we know
+		# it's a special case.
+		_ruby_each_implementation
 
-	has ruby_targets_jruby ${IUSE} && use ruby_targets_jruby && java-pkg_setup-vm
+		has ruby_targets_jruby ${IUSE} && use ruby_targets_jruby && java-pkg_setup-vm
+	fi
 }
 
 # @FUNCTION: ruby-ng_src_unpack