--- Makefile	2015-03-09 12:29:32.487595062 +0100
+++ Makefile	2015-03-09 12:29:53.825590812 +0100
@@ -21,7 +21,8 @@ 
 CONFIGURE_ARGS+=--program-prefix=g \
 		--without-guile
 
-USES=		makeinfo tar:bzip2
+USES=		cpe makeinfo tar:bzip2
+CPE_VENDOR=	gnu
 
 OPTIONS_DEFINE=	NLS
 OPTIONS_SUB=	yes