--- Makefile.orig	2015-02-16 20:41:07.185222277 +0100
+++ Makefile	2015-02-16 20:41:52.676191242 +0100
@@ -12,12 +12,13 @@
 
 LICENSE=	MIT
 
-USES=		perl5
+USES=		cpe perl5
 XORG_CAT=	lib
 USE_XORG=	bigreqsproto xau xcmiscproto xdmcp xextproto xtrans \
 		kbproto:both inputproto xf86bigfontproto xproto:both \
 		xcb
 USE_PERL5=	build
+CPE_VENDOR=	x
 
 CONFIGURE_ARGS+=	--datadir=${PREFIX}/lib \
 			--without-xmlto \