Index: head/lang/halide/Makefile
===================================================================
--- head/lang/halide/Makefile	(revision 538334)
+++ head/lang/halide/Makefile	(revision 538335)
@@ -1,46 +1,54 @@
 # $FreeBSD$
 
 PORTNAME=	halide
 DISTVERSIONPREFIX=	release_
 DISTVERSION=	2019_08_27-2023
 DISTVERSIONSUFFIX=	-g48f9a1c75
+PORTREVISION=	1
 CATEGORIES=	lang
 
 PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${PORTNAME}/commit/
 PATCHFILES=	49c7ee068327af7e1dc71cdd37afb61f3132097f.patch:-p1 # FreeBSD compatibility patches
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Halide, a language for fast and portable data-parallel computation
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 BUILD_DEPENDS=	llvm${LLVM_DEFAULT}>0:devel/llvm${LLVM_DEFAULT} # because halide expects LLVMConfig.cmake
 RUN_DEPENDS=	llvm${LLVM_DEFAULT}>0:devel/llvm${LLVM_DEFAULT}
 
 USES=		cmake
 USE_GITHUB=	yes
 GH_PROJECT=	Halide
 USE_LDCONFIG=	yes
 
 # use the same compiler that devel/llvmNN installs
 CC=		clang${LLVM_DEFAULT}
 CXX=		clang++${LLVM_DEFAULT}
 CPP=		clang-cpp${LLVM_DEFAULT}
 
 CMAKE_ARGS=	-DLLVM_DIR=${LOCALBASE}/llvm${LLVM_DEFAULT}/lib/cmake/llvm
 CMAKE_ON=	LLVM_USE_SHARED_LLVM_LIBRARY HALIDE_SHARED_LIBRARY
 CMAKE_OFF=	WITH_PYTHON_BINDINGS WITH_APPS WITH_TUTORIALS WITH_DOCS # APPS are demos
+
+OPTIONS_DEFINE=	NATIVE
+
+NATIVE_DESC=	Build with native optimizations (-march=native)
+
+post-patch-NATIVE-off:
+	@${REINPLACE_CMD} -e 's| -march=native | |' ${WRKSRC}/apps/linear_algebra/Makefile
 
 post-install: # see https://github.com/halide/Halide/issues/4952
 .for f in tools tutorial CODE_OF_CONDUCT.md README.md README_cmake.md README_rungen.md README_webassembly.md
 	@${RM} -r ${STAGEDIR}${PREFIX}/${f}
 .endfor
 	@${MKDIR} ${STAGEDIR}${PREFIX}/lib/cmake
 	@${MV} ${STAGEDIR}${PREFIX}/*.cmake ${STAGEDIR}${PREFIX}/lib/cmake
 	@${MKDIR} ${STAGEDIR}${DATADIR}
 	@${MV} ${STAGEDIR}${PREFIX}/halide_config.make ${STAGEDIR}${DATADIR}
 	@${MV} ${STAGEDIR}${PREFIX}/bin/libHalide.so ${STAGEDIR}${PREFIX}/lib
 	@${RMDIR} ${STAGEDIR}${PREFIX}/bin
 
 .include <bsd.port.mk>