[cmake-developers] Distinguishing MSYS2 (was: FindPythonLibs repaired for MINGW -vs- WIN32 version confusion)

[Brad King]

On 08/07/2015 05:25 AM, Ray Donnelly wrote:
> CMake needs to be able to identify MSYS2 distinctly from both MINGW and MSYS
> first.  Would a patch making that distinction be acceptable to CMake?

Yes, I think that makes sense since the MSYS2 environment is distinct
from Windows, MinGW, MSYS, and Cygwin.  What should CMAKE_SYSTEM_NAME
be for MSYS2?

Thanks,
-Brad