1b0fc43557
This reverts commit a4f84fdfed.
Added "export CCACHE_CPP2 := true" to work around ccache bug with clang.
See:
http://petereisentraut.blogspot.com/2011/09/ccache-and-clang-part-2.html
Change-Id: I2b1fa8fd59c3a113c4028a92a1d16018133c9792
103 lines
3.3 KiB
Makefile
103 lines
3.3 KiB
Makefile
## Clang configurations.
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# WITHOUT_CLANG covers both HOST and TARGET
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ifeq ($(WITHOUT_CLANG),true)
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WITHOUT_TARGET_CLANG := true
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WITHOUT_HOST_CLANG := true
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endif
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LLVM_PREBUILTS_PATH := prebuilts/clang/$(BUILD_OS)-x86/host/3.5/bin
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LLVM_PREBUILTS_HEADER_PATH := prebuilts/clang/$(BUILD_OS)-x86/host/3.5/lib/clang/3.5/include/
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CLANG := $(LLVM_PREBUILTS_PATH)/clang$(BUILD_EXECUTABLE_SUFFIX)
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CLANG_CXX := $(LLVM_PREBUILTS_PATH)/clang++$(BUILD_EXECUTABLE_SUFFIX)
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LLVM_AS := $(LLVM_PREBUILTS_PATH)/llvm-as$(BUILD_EXECUTABLE_SUFFIX)
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LLVM_LINK := $(LLVM_PREBUILTS_PATH)/llvm-link$(BUILD_EXECUTABLE_SUFFIX)
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CLANG_TBLGEN := $(HOST_OUT_EXECUTABLES)/clang-tblgen$(BUILD_EXECUTABLE_SUFFIX)
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LLVM_TBLGEN := $(HOST_OUT_EXECUTABLES)/llvm-tblgen$(BUILD_EXECUTABLE_SUFFIX)
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# The C/C++ compiler can be wrapped by setting the CC/CXX_WRAPPER vars.
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ifdef CC_WRAPPER
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ifneq ($(CC_WRAPPER),$(firstword $(CLANG)))
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CLANG := $(CC_WRAPPER) $(CLANG)
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endif
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endif
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ifdef CXX_WRAPPER
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ifneq ($(CXX_WRAPPER),$(firstword $(CLANG_CXX)))
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CLANG_CXX := $(CXX_WRAPPER) $(CLANG_CXX)
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endif
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endif
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# Clang flags for all host or target rules
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CLANG_CONFIG_EXTRA_ASFLAGS :=
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CLANG_CONFIG_EXTRA_CFLAGS :=
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CLANG_CONFIG_EXTRA_CPPFLAGS :=
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CLANG_CONFIG_EXTRA_LDFLAGS :=
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CLANG_CONFIG_EXTRA_CFLAGS += \
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-D__compiler_offsetof=__builtin_offsetof
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# Help catch common 32/64-bit errors.
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CLANG_CONFIG_EXTRA_CFLAGS += \
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-Werror=int-conversion
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CLANG_CONFIG_UNKNOWN_CFLAGS := \
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-funswitch-loops \
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-fno-tree-sra \
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-finline-limit=64 \
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-Wno-psabi \
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-Wno-unused-but-set-variable \
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-Wno-unused-but-set-parameter \
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-Wmaybe-uninitialized \
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-Wno-maybe-uninitialized \
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-Wno-error=maybe-uninitialized \
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-fno-canonical-system-headers \
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-Wno-unused-local-typedefs
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# Clang flags for all host rules
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CLANG_CONFIG_HOST_EXTRA_ASFLAGS :=
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CLANG_CONFIG_HOST_EXTRA_CFLAGS :=
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CLANG_CONFIG_HOST_EXTRA_CPPFLAGS :=
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CLANG_CONFIG_HOST_EXTRA_LDFLAGS :=
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# Clang flags for all target rules
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CLANG_CONFIG_TARGET_EXTRA_ASFLAGS :=
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CLANG_CONFIG_TARGET_EXTRA_CFLAGS := -nostdlibinc
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CLANG_CONFIG_TARGET_EXTRA_CPPFLAGS := -nostdlibinc
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CLANG_CONFIG_TARGET_EXTRA_LDFLAGS :=
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# HOST config
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clang_2nd_arch_prefix :=
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include $(BUILD_SYSTEM)/clang/HOST_$(HOST_ARCH).mk
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# HOST_2ND_ARCH config
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ifdef HOST_2ND_ARCH
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clang_2nd_arch_prefix := $(HOST_2ND_ARCH_VAR_PREFIX)
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include $(BUILD_SYSTEM)/clang/HOST_$(HOST_2ND_ARCH).mk
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endif
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# TARGET config
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clang_2nd_arch_prefix :=
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include $(BUILD_SYSTEM)/clang/TARGET_$(TARGET_ARCH).mk
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# TARGET_2ND_ARCH config
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ifdef TARGET_2ND_ARCH
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clang_2nd_arch_prefix := $(TARGET_2ND_ARCH_VAR_PREFIX)
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include $(BUILD_SYSTEM)/clang/TARGET_$(TARGET_2ND_ARCH).mk
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endif
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# Clang compiler-specific libc headers
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CLANG_CONFIG_EXTRA_HOST_C_INCLUDES := $(LLVM_PREBUILTS_HEADER_PATH)
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CLANG_CONFIG_EXTRA_TARGET_C_INCLUDES := $(LLVM_PREBUILTS_HEADER_PATH) $(TARGET_OUT_HEADERS)/clang
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# Address sanitizer clang config
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ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS := -fsanitize=address
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ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS := -Wl,-u,__asan_preinit
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ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES := libdl libasan_preload
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ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES := libasan
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# This allows us to use the superset of functionality that compiler-rt
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# provides to Clang (for supporting features like -ftrapv).
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COMPILER_RT_CONFIG_EXTRA_STATIC_LIBRARIES := libcompiler_rt-extras
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