[oe] [meta-networking][PATCH 1/2] grpc: Link with libatomic on clang/x86

[Khem Raj]

clang does delegate the atomic<double> calls to libatomic on x86 where
as gcc tries to use intrinsics, its debatable who is right, but it does
seem that clang is safe in case pointer is unaligned

Signed-off-by: Khem Raj <raj.khem at gmail.com>
---
 meta-networking/recipes-devtools/grpc/grpc_1.24.3.bb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/meta-networking/recipes-devtools/grpc/grpc_1.24.3.bb b/meta-networking/recipes-devtools/grpc/grpc_1.24.3.bb
index ecc575bcfb..24072c0832 100644
--- a/meta-networking/recipes-devtools/grpc/grpc_1.24.3.bb
+++ b/meta-networking/recipes-devtools/grpc/grpc_1.24.3.bb
@@ -42,6 +42,10 @@ do_configure_prepend_mipsarch() {
     sed -i -e "s/set(_gRPC_ALLTARGETS_LIBRARIES \${CMAKE_DL_LIBS} rt m pthread)/set(_gRPC_ALLTARGETS_LIBRARIES \${CMAKE_DL_LIBS} atomic rt m pthread)/g" ${S}/CMakeLists.txt
 }
 
+do_configure_prepend_toolchain-clang_x86() {
+    sed -i -e "s/set(_gRPC_ALLTARGETS_LIBRARIES \${CMAKE_DL_LIBS} rt m pthread)/set(_gRPC_ALLTARGETS_LIBRARIES \${CMAKE_DL_LIBS} atomic rt m pthread)/g" ${S}/CMakeLists.txt
+}
+
 BBCLASSEXTEND = "native nativesdk"
 
 SYSROOT_DIRS_BLACKLIST_append_class-target = "${libdir}/cmake/grpc"
-- 
2.24.0