Index: head/misc/mnn/Makefile
===================================================================
--- head/misc/mnn/Makefile	(revision 527317)
+++ head/misc/mnn/Makefile	(revision 527318)
@@ -1,43 +1,45 @@
 # $FreeBSD$
 
 PORTNAME=	mnn
-DISTVERSION=	0.2.1.7
-PORTREVISION=	1
+DISTVERSION=	0.2.1.8
 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
+
+pre-build: # https://github.com/alibaba/MNN/issues/648
+	@cd ${WRKSRC}/schema && ./generate.sh
 
 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.post.mk>
Index: head/misc/mnn/distinfo
===================================================================
--- head/misc/mnn/distinfo	(revision 527317)
+++ head/misc/mnn/distinfo	(revision 527318)
@@ -1,3 +1,3 @@
-TIMESTAMP = 1579372041
-SHA256 (alibaba-MNN-0.2.1.7_GH0.tar.gz) = 201f777bcc26d9b953e402a4028d026e04db84af89268282120236466b17745d
-SIZE (alibaba-MNN-0.2.1.7_GH0.tar.gz) = 5757531
+TIMESTAMP = 1582818374
+SHA256 (alibaba-MNN-0.2.1.8_GH0.tar.gz) = f8b0b1cac7204400efa28dae18f645d6cda7151f66cd3d805da09da58fb39e77
+SIZE (alibaba-MNN-0.2.1.8_GH0.tar.gz) = 5811539
Index: head/misc/mnn/pkg-plist
===================================================================
--- head/misc/mnn/pkg-plist	(revision 527317)
+++ head/misc/mnn/pkg-plist	(revision 527318)
@@ -1,16 +1,17 @@
 include/MNN/AutoTime.hpp
 include/MNN/ErrorCode.hpp
+include/MNN/expr/Executor.hpp
 include/MNN/HalideRuntime.h
 include/MNN/ImageProcess.hpp
 include/MNN/Interpreter.hpp
 include/MNN/MNNDefine.h
 include/MNN/MNNForwardType.h
 include/MNN/Matrix.h
 include/MNN/Rect.h
 include/MNN/Tensor.hpp
 include/MNN/expr/Expr.hpp
 include/MNN/expr/ExprCreator.hpp
 include/MNN/expr/MathOp.hpp
 include/MNN/expr/NeuralNetWorkOp.hpp
 include/MNN/expr/Optimizer.hpp
 lib/libMNN.so