platform_build/core/clang/config.mk
Evgeniy Stepanov 5d8029f234 Update ASan configuration.
Change runtime library name to keep in sync with upstream.
Enable frame pointers in instrumented code for fast stack unwind.

Change-Id: I815912bb856c56c399639ea76ad4cb6b97961840
2014-04-16 10:52:10 +00:00

78 lines
2.9 KiB
Makefile

## Clang configurations.
# WITHOUT_CLANG covers both HOST and TARGET
ifeq ($(WITHOUT_CLANG),true)
WITHOUT_TARGET_CLANG := true
WITHOUT_HOST_CLANG := true
endif
LLVM_PREBUILTS_PATH := prebuilts/clang/$(BUILD_OS)-x86/host/3.4/bin
LLVM_PREBUILTS_HEADER_PATH := prebuilts/clang/$(BUILD_OS)-x86/host/3.4/lib/clang/3.4/include/
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 := --gcc-toolchain=$(HOST_TOOLCHAIN_FOR_CLANG)
CLANG_CONFIG_HOST_EXTRA_CFLAGS := --gcc-toolchain=$(HOST_TOOLCHAIN_FOR_CLANG)
CLANG_CONFIG_HOST_EXTRA_CPPFLAGS := --gcc-toolchain=$(HOST_TOOLCHAIN_FOR_CLANG)
CLANG_CONFIG_HOST_EXTRA_LDFLAGS := --gcc-toolchain=$(HOST_TOOLCHAIN_FOR_CLANG)
# 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
ifneq ($(strip $(BUILD_HOST_64bit)),)
include $(BUILD_SYSTEM)/clang/HOST_x86_64.mk
else
include $(BUILD_SYSTEM)/clang/HOST_$(HOST_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
# 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) $(TARGET_OUT_HEADERS)/clang
# Address sanitizer clang config
ADDRESS_SANITIZER_RUNTIME_LIBRARY := libclang_rt.asan_$(TARGET_ARCH)_android
ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS := -fsanitize=address -fno-omit-frame-pointer
ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS := -Wl,-u,__asan_preinit
ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES := libdl $(ADDRESS_SANITIZER_RUNTIME_LIBRARY)
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