[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#227444, @EricWF wrote:

> I also just realized that this change will currently likely play havoc with how libc++ and libc++abi build together. In order to build libc++ and libc++abi together we would need to
>
> 1. Configure libc++ pointing to the libc++abi headers in order to generate the __config_site file.
> 2. Configure libc++abi pointing it to the libc++ build directory for the headers.
> 3. build libc++abi
> 4. build libc++
>
>   I'm not quite sure how this would work for an in-tree build.


This patch, combined with http://reviews.llvm.org/D11964, works the way you describe.

> However if we do things as I suggested above we can keep the current two step build process.





http://reviews.llvm.org/D11963