Index: head/science/py-dlib/Makefile
===================================================================
--- head/science/py-dlib/Makefile	(revision 488037)
+++ head/science/py-dlib/Makefile	(revision 488038)
@@ -1,62 +1,64 @@
 # $FreeBSD$
 
 PORTNAME=	dlib
 DISTVERSION=	19.13
 PORTREVISION=	1
 CATEGORIES=	science devel math python
 MASTER_SITES=	http://dlib.net/files/
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	arrowd@FreeBSD.org
 COMMENT=	Machine learning framework written in C++ (python bindings)
 
 LICENSE=	BSL
 LICENSE_FILE=	${WRKSRC}/dlib/LICENSE.txt
 
 BROKEN_aarch64=		fails to build: CMake Error at test_for_avx/CMakeLists.txt:17 (if): if given arguments: "EQUAL" "0" "AND" "compile_result": Unknown arguments specified
 BROKEN_armv6=		fails to build: CMake Error at test_for_avx/CMakeLists.txt:17 (if): if given arguments: "EQUAL" "0" "AND" "compile_result": Unknown arguments specified
 BROKEN_armv7=		fails to build: CMake Error at test_for_avx/CMakeLists.txt:17 (if): if given arguments: "EQUAL" "0" "AND" "compile_result": Unknown arguments specified
 
 BUILD_DEPENDS=		cmake:devel/cmake
 LIB_DEPENDS=		${PY_BOOST}
 
-USES=			pkgconfig python shebangfix tar:bzip2
+USES=			compiler:c++11-lang pkgconfig python shebangfix \
+			tar:bzip2
 USE_PYTHON=		autoplist distutils
 SHEBANG_FILES=		python_examples/*.py
 
 OPTIONS_DEFINE=		X11 JPEG PNG GIF SQLITE BLASLAPACK AVX
 OPTIONS_DEFAULT=	X11 JPEG PNG GIF SQLITE
 
 BLASLAPACK_DESC=	Use Blas and Lapack libraries from ports
 AVX_DESC=		Use AVX instructions if supported by CPU
 
 X11_USE=		xorg=x11
 X11_VARS_OFF=		x11args="--yes DLIB_NO_GUI_SUPPORT"
 
 JPEG_USES=		jpeg
 JPEG_VARS=		jpegargs="--yes DLIB_JPEG_SUPPORT"
 JPEG_VARS_OFF=		jpegargs="--no DLIB_JPEG_SUPPORT"
 
 PNG_LIB_DEPENDS=	libpng.so:graphics/png
 PNG_VARS=		pngargs="--yes DLIB_PNG_SUPPORT"
 PNG_VARS_OFF=		pngargs="--no DLIB_PNG_SUPPORT"
 
 GIF_LIB_DEPENDS=	libgif.so:graphics/giflib
 GIF_VARS=		gifargs="--yes DLIB_GIF_SUPPORT"
 GIF_VARS_OFF=		gifargs="--no DLIB_GIF_SUPPORT"
 
 SQLITE_USES=		sqlite
 SQLITE_VARS=		sqliteargs="--yes DLIB_LINK_WITH_SQLITE3"
 SQLITE_VARS_OFF=	sqliteargs="--no DLIB_LINK_WITH_SQLITE3"
 
 BLASLAPACK_USES=	blaslapack
-BLASLAPACK_VARS_OFF=	avxargs="--no DLIB_USE_BLAS --no DLIB_USE_LAPACK --no DLIB_USE_MKL_FFT"
+BLASLAPACK_VARS_OFF=	blaslapackargs="--no DLIB_USE_BLAS --no DLIB_USE_LAPACK --no DLIB_USE_MKL_FFT"
 
 AVX_VARS=		avxargs="--yes USE_AVX_INSTRUCTIONS"
+AVX_VARS_OFF=		avxargs="--no AVX_IS_AVAILABLE_ON_HOST"
 
-PYDISTUTILS_BUILDARGS=	--set BOOST_PYTHON_SUFFIX:STRING=${PYTHON_SUFFIX} ${X11ARGS} ${JPEGARGS} ${PNGARGS} ${GIFARGS} ${SQLITEARGS} ${BLASLAPACKARGS} ${AVXARGS}
+PYDISTUTILS_BUILDARGS=	--set BOOST_PYTHON_SUFFIX:STRING=${PYTHON_SUFFIX} ${X11ARGS} ${JPEGARGS} ${PNGARGS} ${GIFARGS} ${SQLITEARGS} ${BLASLAPACKARGS} ${AVXARGS} ${BLASLAPACK}
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PYTHON_SITELIBDIR}/dlib.so
 
 .include <bsd.port.mk>