[mushiake]

They ditched in Windows Server 2012.

Now recommend cygwin.

"The Subsystem for UNIX-based Applications (SUA) is deprecated. If you use the SUA POSIX subsystem with this release, use Hyper-V to virtualize the server. If you use the tools provided by SUA, switch to Cygwin's POSIX emulation, or use either mingw-w64 (available from Sourceforge.net) or MinGW (available from MinGW.org) for doing a native port. " https://technet.microsoft.com/en-us/library/hh831568.aspx

[DiabloD3]

msys2 is a lot better than mingw+msys and cygwin, in my opinion. I switched months ago and its been a lot easier to deal with.