Initial slang.

Change-Id: I4f84a741e5fbc440cd4c251406d2b611a237f713
diff --git a/llvm.mk b/llvm.mk
new file mode 100644
index 0000000..33e1175
--- /dev/null
+++ b/llvm.mk
@@ -0,0 +1,20 @@
+# Only use this on the device or emulator.
+ifeq ($(TARGET_SIMULATOR),true)
+$(error LLVM not suitable for the simulator! $(LOCAL_PATH))
+endif
+
+ifeq ($(LLVM_ROOT_PATH),)
+$(error Must set variable LLVM_ROOT_PATH before including this! $(LOCAL_PATH))
+endif
+
+TBLGEN := $(HOST_OUT_EXECUTABLES)/tblgen$(HOST_EXECUTABLE_SUFFIX)
+
+CLEAR_TBLGEN_VARS := $(LLVM_ROOT_PATH)/clear_tblgen_vars.mk
+LLVM_HOST_BUILD_MK := $(LLVM_ROOT_PATH)/llvm-host-build.mk
+LLVM_DEVICE_BUILD_MK := $(LLVM_ROOT_PATH)/llvm-device-build.mk
+LLVM_GEN_INTRINSICS_MK := $(LLVM_ROOT_PATH)/llvm-gen-intrinsics.mk
+LLVM_TBLGEN_RULES_MK := $(LLVM_ROOT_PATH)/llvm-tblgen-rules.mk
+
+CLANG_ROOT_PATH := $(LLVM_ROOT_PATH)/tools/clang
+
+include $(CLANG_ROOT_PATH)/clang.mk