1## Clang configurations. 2 3LLVM_READOBJ := $(LLVM_PREBUILTS_BASE)/$(BUILD_OS)-x86/$(LLVM_PREBUILTS_VERSION)/bin/llvm-readobj 4 5LLVM_RTLIB_PATH := $(LLVM_PREBUILTS_BASE)/linux-x86/$(LLVM_PREBUILTS_VERSION)/lib64/clang/$(LLVM_RELEASE_VERSION)/lib/linux/ 6 7define convert-to-clang-flags 8$(strip $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(1))) 9endef 10 11CLANG_DEFAULT_UB_CHECKS := \ 12 bool \ 13 integer-divide-by-zero \ 14 return \ 15 returns-nonnull-attribute \ 16 shift-exponent \ 17 unreachable \ 18 vla-bound \ 19 20# TODO(danalbert): The following checks currently have compiler performance 21# issues. 22# CLANG_DEFAULT_UB_CHECKS += alignment 23# CLANG_DEFAULT_UB_CHECKS += bounds 24# CLANG_DEFAULT_UB_CHECKS += enum 25# CLANG_DEFAULT_UB_CHECKS += float-cast-overflow 26# CLANG_DEFAULT_UB_CHECKS += float-divide-by-zero 27# CLANG_DEFAULT_UB_CHECKS += nonnull-attribute 28# CLANG_DEFAULT_UB_CHECKS += null 29# CLANG_DEFAULT_UB_CHECKS += shift-base 30# CLANG_DEFAULT_UB_CHECKS += signed-integer-overflow 31 32# TODO(danalbert): Fix UB in libc++'s __tree so we can turn this on. 33# https://llvm.org/PR19302 34# http://reviews.llvm.org/D6974 35# CLANG_DEFAULT_UB_CHECKS += object-size 36 37# HOST config 38clang_2nd_arch_prefix := 39include $(BUILD_SYSTEM)/clang/HOST_$(HOST_ARCH).mk 40 41# HOST_2ND_ARCH config 42ifdef HOST_2ND_ARCH 43clang_2nd_arch_prefix := $(HOST_2ND_ARCH_VAR_PREFIX) 44include $(BUILD_SYSTEM)/clang/HOST_$(HOST_2ND_ARCH).mk 45endif 46 47# TARGET config 48clang_2nd_arch_prefix := 49include $(BUILD_SYSTEM)/clang/TARGET_$(TARGET_ARCH).mk 50 51# TARGET_2ND_ARCH config 52ifdef TARGET_2ND_ARCH 53clang_2nd_arch_prefix := $(TARGET_2ND_ARCH_VAR_PREFIX) 54include $(BUILD_SYSTEM)/clang/TARGET_$(TARGET_2ND_ARCH).mk 55endif 56 57include $(BUILD_SYSTEM)/clang/tidy.mk 58