Index: head/misc/mnn/Makefile
===================================================================
--- head/misc/mnn/Makefile	(revision 522876)
+++ head/misc/mnn/Makefile	(revision 522877)
@@ -1,35 +1,42 @@
 # $FreeBSD$
 
 PORTNAME=	mnn
 DISTVERSION=	0.2.1.6
 CATEGORIES=	misc # machine-learning
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Lightweight deep neural network inference engine
 
 LICENSE=	APACHE20
 
 BROKEN_i386=	always_inline function '_mm_set1_ps' requires target feature 'sse', but would be inlined into function 'Vec4' that is compiled without support for 'sse'
 
 BUILD_DEPENDS=	bash:shells/bash
 
 USES=		cmake compiler:c++11-lang shebangfix
 USE_GITHUB=	yes
 GH_ACCOUNT=	alibaba
 GH_PROJECT=	MNN
 SHEBANG_GLOB=	*.sh
 USE_LDCONFIG=	yes
 
 CXXFLAGS+=	-pthread
 LDFLAGS+=	-pthread
 
 CFLAGS+=	-fPIC # workaround for https://github.com/alibaba/MNN/issues/553
 CXXFLAGS+=	-fPIC
 
+.include <bsd.port.pre.mk>
+
+.if ${ARCH} != amd64 && ${ARCH} != i386
+CMAKE_ARGS+=	-DMNN_USE_AVX:BOOL=OFF \
+		-DMNN_USE_SSE:BOOL=OFF
+.endif
+
 do-test:
 	@cd ${BUILD_WRKSRC} && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} -DMNN_BUILD_TEST:BOOL=ON ${CMAKE_SOURCE_PATH} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} ${ALL_TARGET} && \
 		(cd ${BUILD_WRKSRC} && ./run_test.out)
 
-.include <bsd.port.mk>
+.include <bsd.port.post.mk>