Index: head/devel/xtensa-esp32-elf/Makefile
===================================================================
--- head/devel/xtensa-esp32-elf/Makefile	(revision 483955)
+++ head/devel/xtensa-esp32-elf/Makefile	(revision 483956)
@@ -1,106 +1,106 @@
 # Created by: Craig Leres <leres@freebsd.org>
 # $FreeBSD$
 
 PORTNAME=	xtensa-esp32-elf
 DISTVERSION=	1.22.0.g20171219
 PORTREVISION=	2
 CATEGORIES=	devel
 MASTER_SITES=	SOURCEWARE/binutils/releases/binutils:source1 \
 		GNU/binutils:source1 \
 		https://github.com/libexpat/libexpat/releases/download/R_${PORTVERSION:S|.|_|g}/:source2 \
 		SF/expat:source2 \
 		GCC/releases/gcc-5.2.0:source3 \
 		GNU/gdb:source4 \
 		GNU/gmp:source5 \
 		http://isl.gforge.inria.fr/:source6 \
 		GNU/mpc:source7 \
 		http://www.mpfr.org/mpfr-3.1.3/:source8 \
 		GNU/mpfr:source8 \
 		ftp://ftp.invisible-island.net/ncurses/:source9 \
 		GNU/ncurses:source9 \
 		SOURCEWARE/newlib:source10 \
 		ftp://sources.redhat.com/pub/newlib/:source10
 DISTFILES=	binutils-2.25.1.tar.bz2:source1 \
 		expat-2.1.0.tar.gz:source2 \
 		gcc-5.2.0.tar.bz2:source3 \
 		gdb-7.10.tar.xz:source4 \
 		gmp-6.0.0a.tar.xz:source5 \
 		isl-0.14.tar.xz:source6 \
 		mpc-1.0.3.tar.gz:source7 \
 		mpfr-3.1.3.tar.xz:source8 \
 		ncurses-6.0.tar.gz:source9 \
 		newlib-2.2.0.tar.gz:source10
 EXTRACT_ONLY=	${DISTNAME}${EXTRACT_SUFX}
 
 MAINTAINER=	leres@FreeBSD.org
 COMMENT=	Espressif ESP32 toolchain
 
 LICENSE=	GPLv2 LGPL21
 LICENSE_COMB=	multi
 
 BROKEN_aarch64=		fails to configure: cannot compute suffix of object files: cannot compile
 BROKEN_armv6=		fails to build: failed in step 'Installing pass-2 core C gcc compiler'
 BROKEN_armv7=		fails to build: failed in step 'Installing pass-2 core C gcc compiler'
 
 BUILD_DEPENDS=	bash:shells/bash \
 		gawk:lang/gawk \
 		git:devel/git \
 		gpatch:devel/patch \
 		${LOCALBASE}/bin/grep:textproc/gnugrep \
 		gperf:devel/gperf \
 		gsed:textproc/gsed \
 		help2man:misc/help2man \
 		makeinfo:print/texinfo \
 		wget:ftp/wget
 
 NO_MTREE=	yes
 USES=		autoreconf:build bison gmake libtool python
-USE_GCC=	yes
+USE_GCC=	7
 USE_GITHUB=	yes
 USE_LDCONFIG=	${PREFIX}/${PORTNAME}/libexec/gcc/${PORTNAME}/5.2.0
 SUBDIR=		crosstool-NG
 TAGNAME=	1.22.0-80-g6c4433a5
 GH_TUPLE=	espressif:${SUBDIR}:${TAGNAME}
 BINARY_ALIAS=	g++=${CXX} gcc=${CC} python=${PYTHON_VERSION}
 BUILD_ENV=	CT_ALLOW_BUILD_AS_ROOT_SURE=1 \
 		LD_RUN_PATH=${PREFIX}/lib/${CC} \
 		${MAKE_ENV:MPATH=*}
 
 post-extract:
 	${MKDIR} ${BUILD_WRKSRC}/.build/tarballs
 .for F in $(DISTFILES:N$(EXTRACT_ONLY))
 	${LN} -s ${DISTDIR}/${F:C/:source[0-9]+$//} \
 	    ${BUILD_WRKSRC}/.build/tarballs
 .endfor
 	echo CT_LOG_PROGRESS_BAR=n >> \
 	    ${BUILD_WRKSRC}/samples/${PORTNAME}/crosstool.config
 
 do-configure:
 	cd ${BUILD_WRKSRC} && ./bootstrap
 	${PRINTF} "#!/bin/sh\necho '${SUBDIR:tl}-${TAGNAME}'\n" > \
 	    ${BUILD_WRKSRC}/version.sh
 	${CHMOD} -w+x ${BUILD_WRKSRC}/version.sh
 	cd ${BUILD_WRKSRC} && \
 	    ./configure --enable-local --with-grep=${LOCALBASE}/bin/grep
 	cd ${BUILD_WRKSRC} && \
 	    ${SETENV} -uMAKELEVEL -uMAKEFLAGS -u.MAKE.LEVEL.ENV \
 	    ${MAKE_CMD} install && ${SETENV} ${BUILD_ENV} ./ct-ng ${PORTNAME}
 
 do-build:
 	cd ${BUILD_WRKSRC} && ${SETENV} ${BUILD_ENV} ./ct-ng build
 	cd ${BUILD_WRKSRC}/builds/${PORTNAME} && \
 	    ${CHMOD} +w . lib && \
 	    ${RM} build.log.bz2 lib/charset.alias && \
 	    ${CHMOD} -w . lib
 
 do-install:
 	cd ${BUILD_WRKSRC}/builds && \
 	    ${COPYTREE_BIN} ${PORTNAME} ${STAGEDIR}${PREFIX}
 	${FIND} ${STAGEDIR}${PREFIX}/${PORTNAME} -type f | \
 	    ${XARGS} ${CHMOD} -wx
 	${FIND} ${STAGEDIR}${PREFIX}/${PORTNAME}/bin \
 	    ${STAGEDIR}${PREFIX}/${PORTNAME}/libexec/gcc/${PORTNAME}/5.2.0 \
 	    ${STAGEDIR}${PREFIX}/${PORTNAME}/${PORTNAME}/bin -type f | \
 	    ${XARGS} ${CHMOD} +x
 
 .include <bsd.port.mk>