Message 87307 - Python tracker

The toolchain is difficult to build, but the patch is easy to review, it
just moves the MS_WIN64 outside the MS compiler specific part. If it
does not break the MS toolchain (the one used to build the official
python), I don't see the problem.

I can make the toolchain available to you as a tarball, though, so that
you can easily test from a windows command shell without having to
install anything.