Teach the PrintFunctionNames example to be a proper module, so that
Clang can load it as a plugin. Original fix by Troy D. Straszheim,
which I extended with Darwin support. Fixes PR6801.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@105630 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed