[PATCH] Allow external projects to run tests via llvm-lit

[Greg Fitzgerald]

> I asked some questions about this change in my previous mail.

Sorry, my last reply intended to answer your question, but I see how it wasn't too clear.  Take 2:


> Is the idea here to support lit testing of an external project or to enable some unusual build configuration of the standard LLVM modules?

The idea here is to support lit testing of both standard LLVM projects as well as external ones.  llvm-lit is in the install directory but it is currently inaccessible via the CMake files in the install directory.

http://reviews.llvm.org/D3429