--- Makefile.orig	2011-11-28 19:34:31.000000000 +0100
+++ Makefile	2011-11-28 19:33:47.000000000 +0100
@@ -18,13 +18,16 @@
 
 GNU_CONFIGURE=	yes
 USE_GMAKE=	yes
-USE_XORG=	ice sm x11 xmu
 
 MAN1=		pwsafe.1
 PLIST_FILES=	bin/pwsafe
 
 .include <bsd.port.pre.mk>
 
+.if exists(${LOCALBASE}/lib/libX11.so)
+USE_XORG=	ice sm x11 xmu
+.endif
+
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/pwsafe ${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/pwsafe.1 ${PREFIX}/man/man1