diff --git a/devel/zapcc/Makefile b/devel/zapcc/Makefile
index 7893e1ba935b..ac7f870b3995 100644
--- a/devel/zapcc/Makefile
+++ b/devel/zapcc/Makefile
@@ -1,31 +1,32 @@
 PORTNAME=	zapcc
 PORTVERSION=	g20180622
 PORTREVISION=	3
 CATEGORIES=	devel
 
 MAINTAINER=	freebsd@sysctl.cz
 COMMENT=	C++ caching compiler based on clang
 WWW=		https://www.zapcc.com/
 
 LICENSE=	NCSA
 LICENSE_FILE=	${WRKSRC}/LICENSE.TXT
 
 BROKEN_riscv64=		fails to build: CMake Error at cmake/config-ix.cmake:407: Unknown architecture riscv64
+BROKEN_FreeBSD_15=	fails to build: failed symbol not defined
 
 BUILD_DEPENDS=	googletest>0:devel/googletest
 
 USES=		cmake compiler:c++11-lang gnome libedit python shebangfix
 USE_GITHUB=	yes
 GH_ACCOUNT=	yrnkrn
 GH_TAGNAME=	b4c31cc
 SHEBANG_GLOB=	*.sh *.py *.pl
 SHEBANG_FILES=	tools/clang/tools/clang-format/git-clang-format tools/clang/tools/scan-view/bin/scan-view utils/llvm-lit/llvm-lit.in
 USE_GNOME=	libxml2
 USE_LDCONFIG=	yes
 
 CONFLICTS_INSTALL=	cling llvm
 
 CMAKE_OFF=	LLVM_ENABLE_WARNINGS LLVM_BUILD_EXAMPLES LLVM_INCLUDE_EXAMPLES LLVM_INCLUDE_TESTS LLVM_INCLUDE_GO_TESTS LLVM_ENABLE_OCAMLDOC LLVM_BUILD_TEST
 CMAKE_ON=	LLVM_ENABLE_CXX1Y LLVM_ENABLE_LLD BUILD_SHARED_LIBS
 
 .include <bsd.port.mk>