github.com/westcoastroms/westcoastroms-build@v0.0.0-20190928114312-2350e5a73030/build/make/core/clang/config.mk (about)

     1  ## Clang configurations.
     2  
     3  LLVM_RTLIB_PATH := $(LLVM_PREBUILTS_PATH)/../lib64/clang/$(LLVM_RELEASE_VERSION)/lib/linux/
     4  
     5  CLANG_TBLGEN := $(BUILD_OUT_EXECUTABLES)/clang-tblgen$(BUILD_EXECUTABLE_SUFFIX)
     6  LLVM_TBLGEN := $(BUILD_OUT_EXECUTABLES)/llvm-tblgen$(BUILD_EXECUTABLE_SUFFIX)
     7  
     8  define convert-to-clang-flags
     9  $(strip $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(1)))
    10  endef
    11  
    12  CLANG_DEFAULT_UB_CHECKS := \
    13    bool \
    14    integer-divide-by-zero \
    15    return \
    16    returns-nonnull-attribute \
    17    shift-exponent \
    18    unreachable \
    19    vla-bound \
    20  
    21  # TODO(danalbert): The following checks currently have compiler performance
    22  # issues.
    23  # CLANG_DEFAULT_UB_CHECKS += alignment
    24  # CLANG_DEFAULT_UB_CHECKS += bounds
    25  # CLANG_DEFAULT_UB_CHECKS += enum
    26  # CLANG_DEFAULT_UB_CHECKS += float-cast-overflow
    27  # CLANG_DEFAULT_UB_CHECKS += float-divide-by-zero
    28  # CLANG_DEFAULT_UB_CHECKS += nonnull-attribute
    29  # CLANG_DEFAULT_UB_CHECKS += null
    30  # CLANG_DEFAULT_UB_CHECKS += shift-base
    31  # CLANG_DEFAULT_UB_CHECKS += signed-integer-overflow
    32  
    33  # TODO(danalbert): Fix UB in libc++'s __tree so we can turn this on.
    34  # https://llvm.org/PR19302
    35  # http://reviews.llvm.org/D6974
    36  # CLANG_DEFAULT_UB_CHECKS += object-size
    37  
    38  # HOST config
    39  clang_2nd_arch_prefix :=
    40  include $(BUILD_SYSTEM)/clang/HOST_$(HOST_ARCH).mk
    41  
    42  # HOST_2ND_ARCH config
    43  ifdef HOST_2ND_ARCH
    44  clang_2nd_arch_prefix := $(HOST_2ND_ARCH_VAR_PREFIX)
    45  include $(BUILD_SYSTEM)/clang/HOST_$(HOST_2ND_ARCH).mk
    46  endif
    47  
    48  ifdef HOST_CROSS_ARCH
    49  clang_2nd_arch_prefix :=
    50  include $(BUILD_SYSTEM)/clang/HOST_CROSS_$(HOST_CROSS_ARCH).mk
    51  ifdef HOST_CROSS_2ND_ARCH
    52  clang_2nd_arch_prefix := $(HOST_CROSS_2ND_ARCH_VAR_PREFIX)
    53  include $(BUILD_SYSTEM)/clang/HOST_CROSS_$(HOST_CROSS_2ND_ARCH).mk
    54  endif
    55  endif
    56  
    57  # TARGET config
    58  clang_2nd_arch_prefix :=
    59  include $(BUILD_SYSTEM)/clang/TARGET_$(TARGET_ARCH).mk
    60  
    61  # TARGET_2ND_ARCH config
    62  ifdef TARGET_2ND_ARCH
    63  clang_2nd_arch_prefix := $(TARGET_2ND_ARCH_VAR_PREFIX)
    64  include $(BUILD_SYSTEM)/clang/TARGET_$(TARGET_2ND_ARCH).mk
    65  endif
    66  
    67  # This allows us to use the superset of functionality that compiler-rt
    68  # provides to Clang (for supporting features like -ftrapv).
    69  COMPILER_RT_CONFIG_EXTRA_STATIC_LIBRARIES := libcompiler_rt-extras
    70  
    71  # A list of projects that are allowed to set LOCAL_CLANG to false.
    72  # INTERNAL_LOCAL_CLANG_EXCEPTION_PROJECTS is defined later in other config.mk.
    73  LOCAL_CLANG_EXCEPTION_PROJECTS = \
    74    bionic/tests/ \
    75    device/google/contexthub/ \
    76    device/huawei/angler/ \
    77    device/lge/bullhead/ \
    78    external/gentoo/integration/ \
    79    hardware/qcom/ \
    80    test/vts/hals/camera/bullhead/ \
    81    test/vts/hals/etc/libqdutils/ \
    82    vendor/huawei/angler/ \
    83    vendor/lge/bullhead/ \
    84    $(INTERNAL_LOCAL_CLANG_EXCEPTION_PROJECTS)
    85  
    86  # Find $1 in the exception project list.
    87  define find_in_local_clang_exception_projects
    88  $(subst $(space),, \
    89    $(foreach project,$(LOCAL_CLANG_EXCEPTION_PROJECTS), \
    90      $(if $(filter $(project)%,$(1)),$(project)) \
    91    ) \
    92  )
    93  endef
    94  
    95  include $(BUILD_SYSTEM)/clang/tidy.mk