--- Makefile.orig	2015-02-09 11:40:31.123793472 +0100
+++ Makefile	2015-02-09 11:40:48.717780083 +0100
@@ -12,6 +12,8 @@
 MAINTAINER?=	pgsql@FreeBSD.org
 COMMENT?=	The most advanced open-source database available anywhere
 
+USES+=	cpe
+
 CONFLICTS?=	${PORTNAME}[^${PORTVERSION:R:R}]?-client* \
 		${PORTNAME}${COMPONENT}-[^${PORTVERSION:R:R}].* \
 		${PORTNAME}9[^${PORTVERSION:R:E}]-client* \