1 CLANG := $(HOST_OUT_EXECUTABLES)/clang$(HOST_EXECUTABLE_SUFFIX)
2 CLANG_CXX := $(HOST_OUT_EXECUTABLES)/clang++$(HOST_EXECUTABLE_SUFFIX)
3 LLVM_AS := $(HOST_OUT_EXECUTABLES)/llvm-as$(HOST_EXECUTABLE_SUFFIX)
4 LLVM_LINK := $(HOST_OUT_EXECUTABLES)/llvm-link$(HOST_EXECUTABLE_SUFFIX)
6 define do-clang-flags-subst
7 TARGET_GLOBAL_CLANG_FLAGS := $(subst $(1),$(2),$(TARGET_GLOBAL_CLANG_FLAGS))
8 HOST_GLOBAL_CLANG_FLAGS := $(subst $(1),$(2),$(HOST_GLOBAL_CLANG_FLAGS))
11 define clang-flags-subst
12 $(eval $(call do-clang-flags-subst,$(1),$(2)))
16 CLANG_CONFIG_EXTRA_CFLAGS := \
17 -D__compiler_offsetof=__builtin_offsetof \
19 CLANG_CONFIG_UNKNOWN_CFLAGS := \
22 ifeq ($(TARGET_ARCH),arm)
23 RS_TRIPLE := armv7-none-linux-gnueabi
24 CLANG_CONFIG_EXTRA_ASFLAGS += \
25 -target arm-linux-androideabi \
27 -B$(TARGET_TOOLCHAIN_ROOT)/arm-linux-androideabi/bin
28 CLANG_CONFIG_EXTRA_CFLAGS += \
29 $(CLANG_CONFIG_EXTRA_ASFLAGS) \
30 -mllvm -arm-enable-ehabi
31 CLANG_CONFIG_EXTRA_LDFLAGS += \
32 -target arm-linux-androideabi \
33 -B$(TARGET_TOOLCHAIN_ROOT)/arm-linux-androideabi/bin
34 CLANG_CONFIG_UNKNOWN_CFLAGS += \
37 -frerun-cse-after-loop \
40 -fno-strict-volatile-bitfields \
44 ifeq ($(TARGET_ARCH),mips)
45 RS_TRIPLE := mipsel-unknown-linux
46 CLANG_CONFIG_EXTRA_ASFLAGS += \
47 -target mipsel-linux-androideabi \
49 -B$(TARGET_TOOLCHAIN_ROOT)/mipsel-linux-android/bin
50 CLANG_CONFIG_EXTRA_CFLAGS += $(CLANG_CONFIG_EXTRA_ASFLAGS)
51 CLANG_CONFIG_EXTRA_LDFLAGS += \
52 -target mipsel-linux-androideabi \
53 -B$(TARGET_TOOLCHAIN_ROOT)/mipsel-linux-android/bin
54 CLANG_CONFIG_UNKNOWN_CFLAGS += \
59 -fno-strict-volatile-bitfields \
61 -frerun-cse-after-loop \
70 ifeq ($(TARGET_ARCH),x86)
71 RS_TRIPLE := i686-unknown-linux
72 CLANG_CONFIG_EXTRA_ASFLAGS += \
73 -target i686-linux-android \
75 -B$(TARGET_TOOLCHAIN_ROOT)/i686-linux-android/bin
76 CLANG_CONFIG_EXTRA_CFLAGS += $(CLANG_CONFIG_EXTRA_ASFLAGS)
77 CLANG_CONFIG_EXTRA_LDFLAGS += \
78 -target i686-linux-android \
79 -B$(TARGET_TOOLCHAIN_ROOT)/i686-linux-android/bin
80 CLANG_CONFIG_UNKNOWN_CFLAGS += \
82 -fno-inline-functions-called-once \
87 CLANG_CONFIG_EXTRA_TARGET_C_INCLUDES := external/clang/lib/include $(TARGET_OUT_HEADERS)/clang
89 # remove unknown flags to define CLANG_FLAGS
90 TARGET_GLOBAL_CLANG_FLAGS += $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(TARGET_GLOBAL_CFLAGS))
91 HOST_GLOBAL_CLANG_FLAGS += $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(HOST_GLOBAL_CFLAGS))
93 TARGET_arm_CLANG_CFLAGS += $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(TARGET_arm_CFLAGS))
94 TARGET_thumb_CLANG_CFLAGS += $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(TARGET_thumb_CFLAGS))
96 # llvm does not yet support -march=armv5e nor -march=armv5te, fall back to armv5 or armv5t
97 $(call clang-flags-subst,-march=armv5te,-march=armv5t)
98 $(call clang-flags-subst,-march=armv5e,-march=armv5)
100 # clang does not support -Wno-psabi and -Wno-unused-but-set-variable
101 $(call clang-flags-subst,-Wno-psabi,)
102 $(call clang-flags-subst,-Wno-unused-but-set-variable,)
104 # clang does not support -mcpu=cortex-a15 yet - fall back to armv7-a for now
105 $(call clang-flags-subst,-mcpu=cortex-a15,-march=armv7-a)
107 ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS := -fsanitize=address
108 ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS := -Wl,-u,__asan_preinit
109 ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES := libdl libasan_preload
110 ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES := libasan
112 # This allows us to use the superset of functionality that compiler-rt
113 # provides to Clang (for supporting features like -ftrapv).
114 COMPILER_RT_CONFIG_EXTRA_STATIC_LIBRARIES := libcompiler_rt-extras