Index: head/devel/cssc/Makefile
===================================================================
--- head/devel/cssc/Makefile	(revision 488044)
+++ head/devel/cssc/Makefile	(revision 488045)
@@ -1,29 +1,28 @@
 # Created by: Oliver Fromme
 # $FreeBSD$
 
 PORTNAME=	cssc
 PORTVERSION=	1.4.0
 PORTREVISION=	7
 CATEGORIES=	devel
 MASTER_SITES=	GNU
 DISTNAME=	CSSC-${PORTVERSION}
 
 MAINTAINER=	oliver@fromme.com
 COMMENT=	Workalike for the source code control system SCCS
 
 LICENSE=	GPLv3
 
 BROKEN_mips=		fails to compile: ../gl/lib/unistd.h:135:3: "Please include config.h first."
 BROKEN_mips64=		fails to compile: ../gl/lib/unistd.h:135:3: "Please include config.h first."
-BROKEN_powerpc64=	does not build: undefined reference to fmax
 
 GNU_CONFIGURE=	yes
 INFO=		cssc
-USE_GCC=	any
+USES=		compiler:c11
 
 OPTIONS_DEFINE=			BINARY
 OPTIONS_DEFAULT=		BINARY
 BINARY_DESC=			Support binary SCCS files (Solaris interoperability)
 BINARY_CONFIGURE_ENABLE=	binary
 
 .include <bsd.port.mk>