* Rename PYTHON_INCLUDES to PYTHON_INC_DIR to match the similar declaration
in lldb.svn/Makefile
* Use CPP.Flags to export the declaration. The current solution broke all builds
on http://llvm-jenkins.debian.net/




git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@202270 91177308-0d34-0410-b5e6-96231b3b80d8