--- Makefile.orig	2015-02-23 21:31:47.414662643 +0100
+++ Makefile	2015-02-23 21:35:32.717658120 +0100
@@ -13,5 +13,8 @@
 
 XORG_CAT=	lib
 USE_XORG=	x11 randrproto:both xext xextproto xrender renderproto xproto:both
+USES+=	cpe
+CPE_PRODUCT=	libxrandr
+CPE_VENDOR=	x
 
 .include <bsd.port.mk>