| ## Clang configurations. |
| |
| # WITHOUT_CLANG covers both HOST and TARGET |
| ifeq ($(WITHOUT_CLANG),true) |
| WITHOUT_TARGET_CLANG := true |
| WITHOUT_HOST_CLANG := true |
| endif |
| |
| ifeq (true,$(FORCE_BUILD_LLVM_COMPONENTS)) |
| LLVM_PREBUILTS_PATH := $(BUILD_OUT_EXECUTABLES) |
| LLVM_PREBUILTS_HEADER_PATH := external/clang/lib/include |
| else |
| LLVM_PREBUILTS_PATH := prebuilts/clang/$(BUILD_OS)-x86/host/3.4/bin |
| LLVM_PREBUILTS_HEADER_PATH := prebuilts/clang/$(BUILD_OS)-x86/host/3.4/lib/clang/3.4/include/ |
| endif |
| |
| CLANG := $(LLVM_PREBUILTS_PATH)/clang$(BUILD_EXECUTABLE_SUFFIX) |
| CLANG_CXX := $(LLVM_PREBUILTS_PATH)/clang++$(BUILD_EXECUTABLE_SUFFIX) |
| CLANG_TBLGEN := $(LLVM_PREBUILTS_PATH)/clang-tblgen$(BUILD_EXECUTABLE_SUFFIX) |
| LLVM_AS := $(LLVM_PREBUILTS_PATH)/llvm-as$(BUILD_EXECUTABLE_SUFFIX) |
| LLVM_LINK := $(LLVM_PREBUILTS_PATH)/llvm-link$(BUILD_EXECUTABLE_SUFFIX) |
| TBLGEN := $(LLVM_PREBUILTS_PATH)/tblgen$(BUILD_EXECUTABLE_SUFFIX) |
| |
| |
| # Clang flags for all host or target rules |
| CLANG_CONFIG_EXTRA_ASFLAGS := |
| CLANG_CONFIG_EXTRA_CFLAGS := |
| CLANG_CONFIG_EXTRA_CPPFLAGS := |
| CLANG_CONFIG_EXTRA_LDFLAGS := |
| |
| CLANG_CONFIG_EXTRA_CFLAGS := \ |
| -D__compiler_offsetof=__builtin_offsetof |
| |
| CLANG_CONFIG_UNKNOWN_CFLAGS := \ |
| -funswitch-loops \ |
| -Wno-psabi \ |
| -Wno-unused-but-set-variable \ |
| -Wno-unused-but-set-parameter |
| |
| # Clang flags for all host rules |
| CLANG_CONFIG_HOST_EXTRA_ASFLAGS := |
| CLANG_CONFIG_HOST_EXTRA_CFLAGS := |
| CLANG_CONFIG_HOST_EXTRA_CPPFLAGS := |
| CLANG_CONFIG_HOST_EXTRA_LDFLAGS := |
| |
| # Clang flags for all target rules |
| CLANG_CONFIG_TARGET_EXTRA_ASFLAGS := |
| CLANG_CONFIG_TARGET_EXTRA_CFLAGS := -nostdlibinc |
| CLANG_CONFIG_TARGET_EXTRA_CPPFLAGS := -nostdlibinc |
| CLANG_CONFIG_TARGET_EXTRA_LDFLAGS := |
| |
| # HOST config |
| include $(BUILD_SYSTEM)/clang/HOST_$(HOST_ARCH).mk |
| |
| # TARGET config |
| clang_2nd_arch_prefix := |
| include $(BUILD_SYSTEM)/clang/TARGET_$(TARGET_ARCH).mk |
| |
| # TARGET_2ND_ARCH config |
| ifdef TARGET_2ND_ARCH |
| clang_2nd_arch_prefix := $(TARGET_2ND_ARCH_VAR_PREFIX) |
| include $(BUILD_SYSTEM)/clang/TARGET_$(TARGET_2ND_ARCH).mk |
| endif |
| |
| |
| # Clang compiler-specific libc headers |
| CLANG_CONFIG_EXTRA_HOST_C_INCLUDES := $(LLVM_PREBUILTS_HEADER_PATH) |
| CLANG_CONFIG_EXTRA_TARGET_C_INCLUDES := $(LLVM_PREBUILTS_HEADER_PATH) $(TARGET_OUT_HEADERS)/clang |
| |
| # Address sanitizer clang config |
| ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS := -fsanitize=address |
| ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS := -Wl,-u,__asan_preinit |
| ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES := libdl libasan_preload |
| ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES := libasan |
| |
| # This allows us to use the superset of functionality that compiler-rt |
| # provides to Clang (for supporting features like -ftrapv). |
| COMPILER_RT_CONFIG_EXTRA_STATIC_LIBRARIES := libcompiler_rt-extras |
