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## Clang configurations.
LLVM_READOBJ := $(LLVM_PREBUILTS_BASE)/$(BUILD_OS)-x86/$(LLVM_PREBUILTS_VERSION)/bin/llvm-readobj
LLVM_RTLIB_PATH := $(LLVM_PREBUILTS_BASE)/linux-x86/$(LLVM_PREBUILTS_VERSION)/lib64/clang/$(LLVM_RELEASE_VERSION)/lib/linux/
define convert-to-clang-flags
$(strip $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(1)))
endef
CLANG_DEFAULT_UB_CHECKS := \
bool \
integer-divide-by-zero \
return \
returns-nonnull-attribute \
shift-exponent \
unreachable \
vla-bound \
# TODO(danalbert): The following checks currently have compiler performance
# issues.
# CLANG_DEFAULT_UB_CHECKS += alignment
# CLANG_DEFAULT_UB_CHECKS += bounds
# CLANG_DEFAULT_UB_CHECKS += enum
# CLANG_DEFAULT_UB_CHECKS += float-cast-overflow
# CLANG_DEFAULT_UB_CHECKS += float-divide-by-zero
# CLANG_DEFAULT_UB_CHECKS += nonnull-attribute
# CLANG_DEFAULT_UB_CHECKS += null
# CLANG_DEFAULT_UB_CHECKS += shift-base
# CLANG_DEFAULT_UB_CHECKS += signed-integer-overflow
# TODO(danalbert): Fix UB in libc++'s __tree so we can turn this on.
# https://llvm.org/PR19302
# http://reviews.llvm.org/D6974
# CLANG_DEFAULT_UB_CHECKS += object-size
# HOST config
clang_2nd_arch_prefix :=
include $(BUILD_SYSTEM)/clang/HOST_$(HOST_ARCH).mk
# HOST_2ND_ARCH config
ifdef HOST_2ND_ARCH
clang_2nd_arch_prefix := $(HOST_2ND_ARCH_VAR_PREFIX)
include $(BUILD_SYSTEM)/clang/HOST_$(HOST_2ND_ARCH).mk
endif
# 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
include $(BUILD_SYSTEM)/clang/tidy.mk
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