Index: x11/libxshmfence/Makefile
===================================================================
--- x11/libxshmfence/Makefile	(revision 435818)
+++ x11/libxshmfence/Makefile	(working copy)
@@ -2,6 +2,7 @@
 
 PORTNAME=	libxshmfence
 PORTVERSION=	1.2
+PORTREVISION=	1
 CATEGORIES=	x11
 
 MAINTAINER=	x11@FreeBSD.org
@@ -11,8 +12,7 @@ LICENSE=	MIT
 
 USE_XORG=	xproto
 XORG_CAT=	lib
+TEST_TARGET=	check
+CONFIGURE_ARGS=	--with-shared-memory-dir=/tmp
 
-test: build
-	@cd ${WRKSRC} && ${MAKE} check
-
 .include <bsd.port.mk>