55ae50dc1d
* commit '95212b900b7a9a205d6f8b79dc3fcc07576c18cd': Don't warn on definition of possibly reserved identifiers.
130 lines
4.2 KiB
Makefile
130 lines
4.2 KiB
Makefile
## Clang configurations.
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# WITHOUT_CLANG covers both HOST and TARGET
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ifeq ($(WITHOUT_CLANG),true)
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WITHOUT_TARGET_CLANG := true
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WITHOUT_HOST_CLANG := true
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endif
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LLVM_PREBUILTS_VERSION := 3.6
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LLVM_PREBUILTS_PATH := prebuilts/clang/$(BUILD_OS)-x86/host/$(LLVM_PREBUILTS_VERSION)/bin
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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 := $(BUILD_OUT_EXECUTABLES)/clang-tblgen$(BUILD_EXECUTABLE_SUFFIX)
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LLVM_TBLGEN := $(BUILD_OUT_EXECUTABLES)/llvm-tblgen$(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_CONLYFLAGS := -std=gnu99
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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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# Disable overly aggressive warning for macros defined with a leading underscore
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# This happens in AndroidConfig.h, which is included nearly everywhere.
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CLANG_CONFIG_EXTRA_CFLAGS += \
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-Wno-reserved-id-macro
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# Workaround for ccache with clang.
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# See http://petereisentraut.blogspot.com/2011/05/ccache-and-clang.html.
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CLANG_CONFIG_EXTRA_CFLAGS += \
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-Wno-unused-command-line-argument
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# Disable -Winconsistent-missing-override until we can clean up the existing
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# codebase for it.
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CLANG_CONFIG_EXTRA_CPPFLAGS += \
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-Wno-inconsistent-missing-override
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CLANG_CONFIG_UNKNOWN_CFLAGS := \
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-finline-functions \
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-finline-limit=64 \
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-fno-canonical-system-headers \
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-fno-tree-sra \
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-fprefetch-loop-arrays \
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-funswitch-loops \
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-Werror=unused-but-set-variable \
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-Werror=unused-but-set-parameter \
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-Wmaybe-uninitialized \
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-Wno-error=maybe-uninitialized \
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-Wno-error=unused-but-set-variable \
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-Wno-error=unused-but-set-parameter \
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-Wno-free-nonheap-object \
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-Wno-literal-suffix \
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-Wno-maybe-uninitialized \
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-Wno-old-style-declaration \
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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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-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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# Address sanitizer clang config
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ADDRESS_SANITIZER_RUNTIME_LIBRARY := libclang_rt.asan_$(TARGET_ARCH)_android
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ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS := -fsanitize=address -fno-omit-frame-pointer
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ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS := -Wl,-u,__asan_preinit
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ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES := libdl $(ADDRESS_SANITIZER_RUNTIME_LIBRARY)
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ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES := libasan
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# This allows us to use the superset of functionality that compiler-rt
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# provides to Clang (for supporting features like -ftrapv).
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COMPILER_RT_CONFIG_EXTRA_STATIC_LIBRARIES := libcompiler_rt-extras
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ifeq ($(HOST_PREFER_32_BIT),true)
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# We don't have 32-bit prebuilt libLLVM/libclang, so force to build them from source.
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FORCE_BUILD_LLVM_COMPONENTS := true
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endif
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