resolved conflicts for merge of d616a73d to master
Change-Id: I92007bc1c4987c9601b5478b06e3bbe3c02b9535
diff --git a/core/clang/config.mk b/core/clang/config.mk
new file mode 100644
index 0000000..952050c
--- /dev/null
+++ b/core/clang/config.mk
@@ -0,0 +1,70 @@
+ifeq (true,$(FORCE_BUILD_LLVM_COMPONENTS))
+LLVM_PREBUILTS_PATH := $(BUILD_OUT_EXECUTABLES)
+LLVM_PREBUILTS_HEADER_PATH := external/clang/lib/include
+else
+LLVM_PREBUILTS_PATH := prebuilts/clang/$(BUILD_OS)-x86/host/3.3/bin
+LLVM_PREBUILTS_HEADER_PATH := prebuilts/clang/$(BUILD_OS)-x86/host/3.3/lib/clang/3.3/include/
+endif
+
+CLANG := $(LLVM_PREBUILTS_PATH)/clang$(BUILD_EXECUTABLE_SUFFIX)
+CLANG_CXX := $(LLVM_PREBUILTS_PATH)/clang++$(BUILD_EXECUTABLE_SUFFIX)
+CLANG_TBLGEN := $(LLVM_PREBUILTS_PATH)/clang-tblgen$(BUILD_EXECUTABLE_SUFFIX)
+LLVM_AS := $(LLVM_PREBUILTS_PATH)/llvm-as$(BUILD_EXECUTABLE_SUFFIX)
+LLVM_LINK := $(LLVM_PREBUILTS_PATH)/llvm-link$(BUILD_EXECUTABLE_SUFFIX)
+TBLGEN := $(LLVM_PREBUILTS_PATH)/tblgen$(BUILD_EXECUTABLE_SUFFIX)
+
+
+# Clang flags for all host or target rules
+CLANG_CONFIG_EXTRA_ASFLAGS :=
+CLANG_CONFIG_EXTRA_CFLAGS :=
+CLANG_CONFIG_EXTRA_CPPFLAGS :=
+CLANG_CONFIG_EXTRA_LDFLAGS :=
+
+CLANG_CONFIG_EXTRA_CFLAGS := \
+ -D__compiler_offsetof=__builtin_offsetof
+
+CLANG_CONFIG_UNKNOWN_CFLAGS := \
+ -funswitch-loops \
+ -Wno-psabi \
+ -Wno-unused-but-set-variable \
+ -Wno-unused-but-set-parameter
+
+# Clang flags for all host rules
+CLANG_CONFIG_HOST_EXTRA_ASFLAGS :=
+CLANG_CONFIG_HOST_EXTRA_CFLAGS :=
+CLANG_CONFIG_HOST_EXTRA_CPPFLAGS :=
+CLANG_CONFIG_HOST_EXTRA_LDFLAGS :=
+
+# Clang flags for all target rules
+CLANG_CONFIG_TARGET_EXTRA_ASFLAGS :=
+CLANG_CONFIG_TARGET_EXTRA_CFLAGS := -nostdlibinc
+CLANG_CONFIG_TARGET_EXTRA_CPPFLAGS := -nostdlibinc
+CLANG_CONFIG_TARGET_EXTRA_LDFLAGS :=
+
+# HOST config
+include $(BUILD_SYSTEM)/clang/HOST_$(HOST_ARCH).mk
+
+# TARGET config
+clang_2nd_arch_prefix :=
+include $(BUILD_SYSTEM)/clang/TARGET_$(TARGET_ARCH).mk
+
+# TARGET_2ND_ARCH config
+ifdef TARGET_2ND_ARCH
+clang_2nd_arch_prefix := $(TARGET_2ND_ARCH_VAR_PREFIX)
+include $(BUILD_SYSTEM)/clang/TARGET_$(TARGET_2ND_ARCH).mk
+endif
+
+
+# Clang compiler-specific libc headers
+CLANG_CONFIG_EXTRA_HOST_C_INCLUDES := $(LLVM_PREBUILTS_HEADER_PATH)
+CLANG_CONFIG_EXTRA_TARGET_C_INCLUDES := $(LLVM_PREBUILTS_HEADER_PATH) $(TARGET_OUT_HEADERS)/clang
+
+# Address sanitizer clang config
+ADDRESS_SANITIZER_CONFIG_EXTRA_CFLAGS := -fsanitize=address
+ADDRESS_SANITIZER_CONFIG_EXTRA_LDFLAGS := -Wl,-u,__asan_preinit
+ADDRESS_SANITIZER_CONFIG_EXTRA_SHARED_LIBRARIES := libdl libasan_preload
+ADDRESS_SANITIZER_CONFIG_EXTRA_STATIC_LIBRARIES := libasan
+
+# This allows us to use the superset of functionality that compiler-rt
+# provides to Clang (for supporting features like -ftrapv).
+COMPILER_RT_CONFIG_EXTRA_STATIC_LIBRARIES := libcompiler_rt-extras