Index: head/x11/cool-retro-term/Makefile
===================================================================
--- head/x11/cool-retro-term/Makefile	(revision 513792)
+++ head/x11/cool-retro-term/Makefile	(revision 513793)
@@ -1,51 +1,50 @@
 # Created by: Alexey Dokuchaev <danfe@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	cool-retro-term
 PORTVERSION=	1.1.1
 PORTREVISION=	1
 CATEGORIES=	x11
 
 MAINTAINER=	danfe@FreeBSD.org
 COMMENT=	Terminal emulator which mimics the old cathode display
 
 LICENSE=	GPLv3
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Swordfish90
 GH_PROJECT=	qmltermwidget:qtw
 GH_TAGNAME=	0.2.0:qtw
 
-USES=		gmake gl qmake qt:5
+USES=		compiler gmake gl qmake qt:5
 USE_GL=		gl
 USE_QT=		qmake_build buildtools_build core declarative gui \
 		network sql widgets graphicaleffects_run \
 		quickcontrols_run sql-sqlite3_run
 
 .include <bsd.port.pre.mk>
 
-.if ${ARCH:Mmips*} || ${ARCH:Mpowerpc*} || ${ARCH} == sparc64
+.if ${CHOSEN_COMPILER_TYPE} == gcc
 USE_GCC=	yes
 .else
-CC=		clang
-CXX=		clang++
-CPP=		clang-cpp
+BUILD_DEPENDS+=	clang${LLVM_DEFAULT}:devel/llvm${LLVM_DEFAULT}
+MAKE_ENV=	LLVM_CONFIG=${LOCALBASE}/bin/llvm-config${LLVM_DEFAULT}
 .endif
 
 post-extract:
 	@${RMDIR} ${WRKSRC}/qmltermwidget
 	@${LN} -s ../qmltermwidget-0.2.0 ${WRKSRC}/qmltermwidget
 
 post-patch:
 	@${REINPLACE_CMD} -e '/DEFINES +=/s,^macx:,,' \
 		${WRKSRC}/qmltermwidget/qmltermwidget.pro
 	@${REINPLACE_CMD} -e 's,/usr,${LOCALBASE},' \
 		${WRKSRC}/app/app.pro ${WRKSRC}/cool-retro-term.pro
 	@${REINPLACE_CMD} -e 's,\.\./icons,/icons,' \
 		${WRKSRC}/app/main.cpp
 
 post-install:
 	${INSTALL_MAN} ${WRKSRC}/packaging/debian/cool-retro-term.1 \
 		${STAGEDIR}${MANPREFIX}/man/man1
 
 .include <bsd.port.post.mk>