Index: head/graphics/py-scikit-image/Makefile
===================================================================
--- head/graphics/py-scikit-image/Makefile	(revision 551623)
+++ head/graphics/py-scikit-image/Makefile	(revision 551624)
@@ -1,43 +1,43 @@
 # $FreeBSD$
 
 PORTNAME=	scikit-image
 PORTVERSION=	0.17.2
 DISTVERSIONPREFIX=	v
 CATEGORIES=	graphics python
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	makc@FreeBSD.org
 COMMENT=	Image Processing SciKit (Toolbox for SciPy)
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 BUILD_DEPENDS=	${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}scipy>=0.9:science/py-scipy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}numpydoc>=0.6:textproc/py-numpydoc@${PY_FLAVOR}
 RUN_DEPENDS=	${PYNUMPY} \
 		${PY_PILLOW} \
 		${PYTHON_PKGNAMEPREFIX}scipy>=0.9:science/py-scipy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}numpydoc>=0.6:textproc/py-numpydoc@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}networkx>=1.8:math/py-networkx@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}matplotlib>=1.1:math/py-matplotlib@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}PyWavelets>=0.4:math/py-PyWavelets@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}cloudpickle>=0.2.1:devel/py-cloudpickle@${PY_FLAVOR}
 
-USES=		cpe python:3.7+
+USES=		compiler:c++11-lang cpe python:3.7+
 USE_GITHUB=	yes
 USE_PYTHON=	autoplist concurrent distutils cython cython_run
 
 PYDISTUTILS_BUILD_TARGET=	build build_ext
 PYDISTUTILS_BUILDARGS+=		saveopts
 
 post-install:
 	@${FIND} ${STAGEDIR}${PYTHON_SITELIBDIR}/skimage -name "*.so" -exec ${STRIP_CMD} {} \;
 
 do-test:
 	@cd ${WRKSRC} && \
 	${PYTHON_CMD} ${PYSETUP} build_ext -i && \
 	${PYTHON_CMD} selftest.py && \
 	${PYTHON_CMD} -m nose -vx Tests/test_*.py
 
 .include <bsd.port.mk>