Implement modules support for subframeworks (aka embedded
frameworks). A submodule can now be labeled as a "framework", and
header search will look into the appropriate Headers/PrivateHeaders
subdirectories for named headers.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145941 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed