[PATCH] D11963: Create a __config_site file to capture configuration decisions.

[Jonathan Roelofs via cfe-commits]

jroelofs added a comment.

In http://reviews.llvm.org/D11963#234789, @EricWF wrote:

> Copy the headers to the build directory during every build instead of just during CMake configuration.


Sounds like this would cause every build to effectively be a full build. I don't think we want that...

If that's the case, then I think we should use the same trick that TableGen uses: write the new file to a temporary, and overwrite it iff they differ.


http://reviews.llvm.org/D11963