--- json-glib-1.2.2.ebuild	2017-03-25 14:32:15.000000000 -0400
+++ json-glib-1.2.2.ebuild	2017-03-25 14:44:38.000000000 -0400
@@ -36,6 +36,7 @@
 	ECONF_SOURCE=${S} \
 	gnome2_src_configure \
 		--enable-man \
+		--with-xml-catalog="${EPREFIX}"/etc/xml/catalog \
 		--disable-gcov \
 		$(usex debug --enable-debug=yes --enable-debug=minimum) \
 		$(multilib_native_use_enable introspection)