diff --git a/lang/opensycl/Makefile b/lang/opensycl/Makefile
index 6af45cda9410..0d553d18ec2e 100644
--- a/lang/opensycl/Makefile
+++ b/lang/opensycl/Makefile
@@ -1,41 +1,47 @@
 PORTNAME=	opensycl
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.9.4
 CATEGORIES=	lang
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Multi-backend implementation of SYCL for CPUs and GPUs
 WWW=		https://github.com/OpenSYCL/OpenSYCL
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BROKEN_i386=	fails to compile: error: static_assert failed due to requirement 'sizeof(hipsycl::glue::unique_id) == 2 * sizeof(void *)'
 BROKEN_FreeBSD_13_armv7=	configure fails: Cannot run simple program using std::filesystem
 
 BUILD_DEPENDS=	boost-libs>0:devel/boost-libs
 
-USES=		cmake compiler:c++11-lang llvm:15 python shebangfix
+USES=		cmake llvm:15 python shebangfix
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	OpenSYCL
 GH_PROJECT=	OpenSYCL
 
 SHEBANG_FILES=	bin/syclcc-clang cmake/syclcc-launcher
 
+.if !exists(/usr/include/omp.h)
+USES+=	compiler:gcc-c++11-lib
+.else
+USES+=	compiler:c++11-lang
+.endif
+
 do-test: # many tests fail, see https://github.com/OpenSYCL/OpenSYCL/issues/996
 	@cd ${WRKSRC}/tests && \
 		mkdir -p build && \
 		cd build && \
 			${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} \
 				-DCMAKE_PREFIX_PATH=${STAGEDIR}${PREFIX} \
 				-DOpenSYCL_DIR="${STAGEDIR}${PREFIX}/lib/cmake/OpenSYCL" \
 				-DOPENSYCL_TARGETS="omp;hip:gfx801" .. && \
 			${SETENV} ${MAKE_ENV} ${MAKE_CMD} && \
 			for f in device_compilation_tests rt_tests sycl_tests; do \
 				${ECHO} "==> running tests from $$f"; \
 				./$${f}; \
 			done
 
 .include <bsd.port.mk>