Index: head/misc/opennn/Makefile
===================================================================
--- head/misc/opennn/Makefile	(revision 529770)
+++ head/misc/opennn/Makefile	(revision 529771)
@@ -1,37 +1,44 @@
 # $FreeBSD$
 
 PORTNAME=	opennn
 DISTVERSION=	0.1-86
 DISTVERSIONSUFFIX=	-g449b346
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	misc # machine-learning
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Open neural networks library
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
-USES=		cmake compiler:c++11-lang dos2unix
+USES=		cmake dos2unix # compiler:c++11-lang
 DOS2UNIX_FILES=	CMakeLists.txt
 USE_GITHUB=	yes
 GH_ACCOUNT=	Artelnics
 GH_PROJECT=	OpenNN
 USE_LDCONFIG=	yes
 
 CMAKE_OFF=	OpenNN_BUILD_EXAMPLES OpenNN_BUILD_TESTS
 
 OPTIONS_DEFINE=		MPI OPENMP
 OPTIONS_DEFAULT=	OPENMP
 
 MPI_CMAKE_BOOL=		__OPENNN_MPI__
 MPI_BROKEN=		https://github.com/Artelnics/OpenNN/issues/86
 
 OPENMP_CMAKE_BOOL=	__OPENNN_OMP__
+
+# workaround for breakage with clang-10: https://github.com/Artelnics/OpenNN/issues/105
+LLVM_VER=	80
+BUILD_DEPENDS+=	clang${LLVM_VER}:devel/llvm${LLVM_VER}
+CPP=		clang-cpp${LLVM_VER}
+CC=		clang${LLVM_VER}
+CXX=		clang++${LLVM_VER}
 
 do-install:
 	${MKDIR} ${STAGEDIR}${PREFIX}/include/${PORTNAME} && ${INSTALL_DATA} ${WRKSRC}/${PORTNAME}/*.h ${STAGEDIR}${PREFIX}/include/${PORTNAME}
 	${INSTALL_DATA} ${BUILD_WRKSRC}/${PORTNAME}/libopennn.so ${STAGEDIR}${PREFIX}/lib
 	${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/libopennn.so
 
 .include <bsd.port.mk>