Initial slang.

Change-Id: I4f84a741e5fbc440cd4c251406d2b611a237f713
diff --git a/clang.mk b/clang.mk
new file mode 100644
index 0000000..655e88f
--- /dev/null
+++ b/clang.mk
@@ -0,0 +1,6 @@
+ifeq ($(CLANG_ROOT_PATH),)
+$(error Must set variable CLANG_ROOT_PATH before including this! $(LOCAL_PATH))
+endif
+
+CLANG_HOST_BUILD_MK := $(CLANG_ROOT_PATH)/clang-host-build.mk
+CLANG_TBLGEN_RULES_MK := $(CLANG_ROOT_PATH)/clang-tblgen-rules.mk