clang.bbclass: Define COMPILER_RT and LIBCPLUSPLUS

LIBCPLUSPLUS and COMPILER_RT are variables to indicate
if clang c/c++ runtime should be used as well or not

Signed-off-by: Khem Raj <raj.khem@gmail.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/classes/clang.bbclass b/classes/clang.bbclass
index ac3b51c..c746980 100644
--- a/classes/clang.bbclass
+++ b/classes/clang.bbclass
@@ -5,6 +5,12 @@ CPP_toolchain-clang = "${CCACHE}${HOST_PREFIX}clang ${HOST_CC_ARCH}${TOOLCHAIN_O
 CCLD_toolchain-clang = "${CCACHE}${HOST_PREFIX}clang ${HOST_CC_ARCH}${TOOLCHAIN_OPTIONS}"
 CLANG_TIDY_EXE_toolchain-clang = "${CCACHE}${HOST_PREFIX}clang-tidy ${HOST_CC_ARCH}${TOOLCHAIN_OPTIONS}"
 
+COMPILER_RT ??= "--rtlib=compiler-rt"
+LIBCPLUSPLUS ??= "--stdlib=libc++"
+
+TARGET_CXXFLAGS_append_toolchain-clang = " ${LIBCPLUSPLUS}"
+TUNE_CCARGS_append_toolchain-clang = " ${COMPILER_RT} ${LIBCPLUSPLUS}"
+
 THUMB_TUNE_CCARGS_remove_toolchain-clang = "-mthumb-interwork"
 TUNE_CCARGS_remove_toolchain-clang = "-meb"
 TUNE_CCARGS_remove_toolchain-clang = "-mel"