build/Make: Tweak Clang include paths to use LLVM_{SRC,OBJ}_ROOT instead of
level based, so that lldb itself can be a symlink inside the tools dir.

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@144429 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile b/Makefile
index be2249f..6026467 100644
--- a/Makefile
+++ b/Makefile
@@ -33,8 +33,8 @@
 # Set common LLDB build flags.
 CPP.Flags += -I$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/include 
 CPP.Flags += -I$(PROJ_OBJ_DIR)/$(LLDB_LEVEL)/include
-CPP.Flags += -I$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/../clang/include
-CPP.Flags += -I$(PROJ_OBJ_DIR)/$(LLDB_LEVEL)/../clang/include
+CPP.Flags += -I$(LLVM_SRC_ROOT)/tools/clang/include
+CPP.Flags += -I$(LLVM_OBJ_ROOT)/tools/clang/include
 CPP.Flags +=   $(PYTHON_INC_DIR)
 CPP.Flags += -I$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/source
 CPP.Flags += -I$(PROJ_SRC_DIR)/$(LLDB_LEVEL)/source/Utility