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),$(2)))
16 CLANG_CONFIG_EXTRA_CFLAGS := \
17 -D__compiler_offsetof=__builtin_offsetof \
20 CLANG_CONFIG_UNKNOWN_CFLAGS := \
23 ifeq ($(TARGET_ARCH),arm)
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 ($(TARGET_ARCH),mips)
45 CLANG_CONFIG_EXTRA_ASFLAGS += \
46 -target mipsel-linux-androideabi \
48 -B$(TARGET_TOOLCHAIN_ROOT)/mipsel-linux-android/bin
49 CLANG_CONFIG_EXTRA_CFLAGS += $(CLANG_CONFIG_EXTRA_ASFLAGS)
50 CLANG_CONFIG_EXTRA_LDFLAGS += \
51 -target mipsel-linux-androideabi \
52 -B$(TARGET_TOOLCHAIN_ROOT)/mipsel-linux-android/bin
53 CLANG_CONFIG_UNKNOWN_CFLAGS += \
58 -fno-strict-volatile-bitfields \
60 -frerun-cse-after-loop \
67 ifeq ($(TARGET_ARCH),x86)
68 CLANG_CONFIG_EXTRA_ASFLAGS += \
69 -target i686-linux-android \
71 -B$(TARGET_TOOLCHAIN_ROOT)/i686-linux-android/bin
72 CLANG_CONFIG_EXTRA_CFLAGS += $(CLANG_CONFIG_EXTRA_ASFLAGS)
73 CLANG_CONFIG_EXTRA_LDFLAGS += \
74 -target i686-linux-android \
75 -B$(TARGET_TOOLCHAIN_ROOT)/i686-linux-android/bin
76 CLANG_CONFIG_UNKNOWN_CFLAGS += \
78 -fno-inline-functions-called-once \
83 CLANG_CONFIG_EXTRA_TARGET_C_INCLUDES := external/clang/lib/include $(TARGET_OUT_HEADERS)/clang
85 # remove unknown flags to define CLANG_FLAGS
86 TARGET_GLOBAL_CLANG_FLAGS += $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(TARGET_GLOBAL_CFLAGS))
87 HOST_GLOBAL_CLANG_FLAGS += $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(HOST_GLOBAL_CFLAGS))
89 TARGET_arm_CLANG_CFLAGS += $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(TARGET_arm_CFLAGS))
90 TARGET_thumb_CLANG_CFLAGS += $(filter-out $(CLANG_CONFIG_UNKNOWN_CFLAGS),$(TARGET_thumb_CFLAGS))
92 # llvm does not yet support -march=armv5e nor -march=armv5te, fall back to armv5 or armv5t
93 $(call clang-flags-subst,-march=armv5te,-march=armv5t)
94 $(call clang-flags-subst,-march=armv5e,-march=armv5)
96 # clang does not support -Wno-psabi and -Wno-unused-but-set-variable
97 $(call clang-flags-subst,-Wno-psabi,)
98 $(call clang-flags-subst,-Wno-unused-but-set-variable,)
100 ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS := -faddress-sanitizer
101 ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS := -Wl,-u,__asan_preinit
102 ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES := libdl libasan_preload
103 ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES := libasan
105 # This allows us to use the superset of functionality that compiler-rt
106 # provides to Clang (for supporting features like -ftrapv).
107 COMPILER_RT_CONFIG_EXTRA_STATIC_LIBRARIES := libcompiler-rt-extras