git: 19ba7830ef8e - main - cad/horizon-eda: Fix build failures

The branch main has been updated by yuri:

URL: https://cgit.FreeBSD.org/ports/commit/?id=19ba7830ef8ed3dd7f8486836c47ab919c30f37c

commit 19ba7830ef8ed3dd7f8486836c47ab919c30f37c
Author:     Yuri Victorovich <yuri@FreeBSD.org>
AuthorDate: 2022-05-08 19:46:52 +0000
Commit:     Yuri Victorovich <yuri@FreeBSD.org>
CommitDate: 2022-05-08 19:48:14 +0000

    cad/horizon-eda: Fix build failures
    
    clang-13 crashes on this port.
    
    Bring back the rule that it builds with clang-12.
    
    Reported by:    fallout
---
 cad/horizon-eda/Makefile | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/cad/horizon-eda/Makefile b/cad/horizon-eda/Makefile
index a09a1df10c92..32b9f386943f 100644
--- a/cad/horizon-eda/Makefile
+++ b/cad/horizon-eda/Makefile
@@ -23,7 +23,7 @@ LIB_DEPENDS=	libcurl.so:ftp/curl \
 		libzip.so:archivers/libzip \
 		libzmq.so:net/libzmq4
 
-USES=		compiler:c++17-lang gmake gnome libarchive localbase pkgconfig python:build sqlite
+USES=		gmake gnome libarchive localbase pkgconfig python:build sqlite # compiler:c++17-lang
 USE_GNOME=	atkmm gdkpixbuf2 gtkmm30 librsvg2
 
 USE_GITHUB=	yes
@@ -33,6 +33,12 @@ MAKE_ARGS=	DEBUGFLAGS= OPTIMIZE=
 
 BINARY_ALIAS=	python3=${PYTHON_CMD}
 
+LLVM_VER=	12 # workaround for bug#263870
+BUILD_DEPENDS+=	clang${LLVM_VER}:devel/llvm${LLVM_VER}
+CPP=		clang-cpp${LLVM_VER}
+CC=		clang${LLVM_VER}
+CXX=		clang++${LLVM_VER}
+
 post-install: # https://github.com/horizon-eda/horizon/issues/558
 	@cd ${STAGEDIR}${PREFIX}/bin && ${STRIP_CMD} horizon-eda horizon-imp