Index: head/math/fxt/Makefile
===================================================================
--- head/math/fxt/Makefile	(revision 483440)
+++ head/math/fxt/Makefile	(revision 483441)
@@ -1,36 +1,36 @@
 # Created by: ijliao
 # $FreeBSD$
 
 PORTNAME=	fxt
 DISTVERSION=	2018.07.03
 CATEGORIES=	math
 MASTER_SITES=	http://www.jjj.de/fxt/
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	FFT code and related stuff
 
 LICENSE=	GPLv3+
 LICENSE_FILE=	${WRKSRC}/COPYING.txt
 
 BROKEN_FreeBSD_10=	Fails to build
 
 WRKSRC=		${WRKDIR}/${PORTNAME}
 
-USES=		gmake compiler:c++11-lib
+USES=		gmake
 MAKE_ENV=	FXT_INSTALL="${INSTALL_DATA}"
 MAKEFILE=	makefile
 
 OPTIONS_DEFINE=	EXAMPLES
 
 post-patch:
 	@${REINPLACE_CMD} -e \
 		's|^\(FXT_CXXFLAGS\)|#\1| ; \
 		 s|\([[:space:]]\)\($$(INCDIR)\)|\1$$(DESTDIR)\2|g ; \
 		 s|\([[:space:]]\)\($$(LIBDIR)\)|\1$$(DESTDIR)\2|g' \
 		${WRKSRC}/makefile
 
 post-install-EXAMPLES-on:
 	${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	(cd ${WRKSRC}/demo && ${COPYTREE_SHARE} . ${STAGEDIR}${EXAMPLESDIR})
 
 .include <bsd.port.mk>