| Message ID | 20231208231413.656734-1-fontaine.fabrice@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | [1/1] package/llvm-project/clang: link with -latomic if needed | expand |
diff --git a/package/llvm-project/clang/clang.mk b/package/llvm-project/clang/clang.mk index 0bafd6461b..82a06a8e59 100644 --- a/package/llvm-project/clang/clang.mk +++ b/package/llvm-project/clang/clang.mk @@ -105,6 +105,11 @@ ifeq ($(BR2_TOOLCHAIN_EXTERNAL),y) HOST_CLANG_CONF_OPTS += -DGCC_INSTALL_PREFIX:PATH=`realpath --relative-to=$(HOST_DIR)/bin/ $(TOOLCHAIN_EXTERNAL_INSTALL_DIR)` endif +# Uses __atomic_fetch_add_8 +ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y) +CLANG_CONF_OPTS += -DCMAKE_CXX_FLAGS="$(TARGET_CXXFLAGS) -latomic" +endif + define HOST_CLANG_INSTALL_WRAPPER_AND_SIMPLE_SYMLINKS $(Q)cd $(HOST_DIR)/bin; \ rm -f clang-$(CLANG_VERSION_MAJOR).br_real; \
Fix the following build failure raised since bump to version 15.0.3 in commit d8291fde5ee19fd475953f41d9c519e817554d6b: /home/autobuild/autobuild/instance-4/output-1/host/lib/gcc/riscv32-buildroot-linux-gnu/13.2.0/../../../../riscv32-buildroot-linux-gnu/bin/ld: ../../lib/Basic/CMakeFiles/obj.clangBasic.dir/FileManager.cpp.o: in function `.L0 ': FileManager.cpp:(.text._ZN4llvm17TrackingStatisticppEv[_ZN4llvm17TrackingStatisticppEv]+0x20): undefined reference to `__atomic_fetch_add_8 Fixes: - http://autobuild.buildroot.org/results/83d059e74b771aad1ed9db80a4f5572361fb3494 Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> --- package/llvm-project/clang/clang.mk | 5 +++++ 1 file changed, 5 insertions(+)