config.mk revision 7bc754bca995a1d57e3573ac37edd9531f59e432 
1ifeq (true,$(FORCE_BUILD_LLVM_COMPONENTS))
2LLVM_PREBUILTS_PATH := $(BUILD_OUT_EXECUTABLES)
3LLVM_PREBUILTS_HEADER_PATH := external/clang/lib/include
4else
5LLVM_PREBUILTS_PATH := prebuilts/clang/$(BUILD_OS)-x86/host/3.4/bin
6LLVM_PREBUILTS_HEADER_PATH := prebuilts/clang/$(BUILD_OS)-x86/host/3.4/lib/clang/3.4/include/
7endif
8
9CLANG := $(LLVM_PREBUILTS_PATH)/clang$(BUILD_EXECUTABLE_SUFFIX)
10CLANG_CXX := $(LLVM_PREBUILTS_PATH)/clang++$(BUILD_EXECUTABLE_SUFFIX)
11CLANG_TBLGEN := $(LLVM_PREBUILTS_PATH)/clang-tblgen$(BUILD_EXECUTABLE_SUFFIX)
12LLVM_AS := $(LLVM_PREBUILTS_PATH)/llvm-as$(BUILD_EXECUTABLE_SUFFIX)
13LLVM_LINK := $(LLVM_PREBUILTS_PATH)/llvm-link$(BUILD_EXECUTABLE_SUFFIX)
14TBLGEN := $(LLVM_PREBUILTS_PATH)/tblgen$(BUILD_EXECUTABLE_SUFFIX)
15
16
17# Clang flags for all host or target rules
18CLANG_CONFIG_EXTRA_ASFLAGS :=
19CLANG_CONFIG_EXTRA_CFLAGS :=
20CLANG_CONFIG_EXTRA_CPPFLAGS :=
21CLANG_CONFIG_EXTRA_LDFLAGS :=
22
23CLANG_CONFIG_EXTRA_CFLAGS := \
24  -D__compiler_offsetof=__builtin_offsetof
25
26CLANG_CONFIG_UNKNOWN_CFLAGS := \
27  -funswitch-loops \
28  -Wno-psabi \
29  -Wno-unused-but-set-variable \
30  -Wno-unused-but-set-parameter
31
32# Clang flags for all host rules
33CLANG_CONFIG_HOST_EXTRA_ASFLAGS :=
34CLANG_CONFIG_HOST_EXTRA_CFLAGS :=
35CLANG_CONFIG_HOST_EXTRA_CPPFLAGS :=
36CLANG_CONFIG_HOST_EXTRA_LDFLAGS :=
37
38# Clang flags for all target rules
39CLANG_CONFIG_TARGET_EXTRA_ASFLAGS :=
40CLANG_CONFIG_TARGET_EXTRA_CFLAGS := -nostdlibinc
41CLANG_CONFIG_TARGET_EXTRA_CPPFLAGS := -nostdlibinc
42CLANG_CONFIG_TARGET_EXTRA_LDFLAGS :=
43
44# HOST config
45include $(BUILD_SYSTEM)/clang/HOST_$(HOST_ARCH).mk
46
47# TARGET config
48clang_2nd_arch_prefix :=
49include $(BUILD_SYSTEM)/clang/TARGET_$(TARGET_ARCH).mk
50
51# TARGET_2ND_ARCH config
52ifdef TARGET_2ND_ARCH
53clang_2nd_arch_prefix := $(TARGET_2ND_ARCH_VAR_PREFIX)
54include $(BUILD_SYSTEM)/clang/TARGET_$(TARGET_2ND_ARCH).mk
55endif
56
57
58# Clang compiler-specific libc headers
59CLANG_CONFIG_EXTRA_HOST_C_INCLUDES := $(LLVM_PREBUILTS_HEADER_PATH)
60CLANG_CONFIG_EXTRA_TARGET_C_INCLUDES := $(LLVM_PREBUILTS_HEADER_PATH) $(TARGET_OUT_HEADERS)/clang
61
62# Address sanitizer clang config
63ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS := -fsanitize=address
64ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS := -Wl,-u,__asan_preinit
65ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES := libdl libasan_preload
66ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES := libasan
67
68# This allows us to use the superset of functionality that compiler-rt
69# provides to Clang (for supporting features like -ftrapv).
70COMPILER_RT_CONFIG_EXTRA_STATIC_LIBRARIES := libcompiler_rt-extras
71