[ITP] cmake 3.12.0

[Ivan Shynkarenka]

Hello,

I'd like to update and maintain cmake package. I prepared the latest cmake
3.12.0 package for x86/x86_64:

https://chronoxor.com/cygwin/x86/cmake/
<https://chronoxor.com/cygwin/x86/cmake/cmake-3.12.0-1.tar.xz>
*cmake-3.12.0-1.hint*
https://chronoxor.com/cygwin/x86/cmake/cmake-3.12.0-1.tar.xz
https://chronoxor.com/cygwin/x86/cmake/
<https://chronoxor.com/cygwin/x86/cmake/cmake-3.12.0-1.tar.xz>
*cmake-3.12.0-1-src.tar.xz*

https://chronoxor.com/cygwin/x86_64/cmake/
<https://chronoxor.com/cygwin/x86/cmake/cmake-3.12.0-1.tar.xz>
*cmake-3.12.0-1.hint*
https://chronoxor.com/cygwin/x86
<https://chronoxor.com/cygwin/x86/cmake/cmake-3.12.0-1.tar.xz>_64
<https://chronoxor.com/cygwin/x86/cmake/cmake-3.12.0-1.tar.xz>
/cmake/cmake-3.12.0-1.tar.xz
https://chronoxor.com/cygwin/x86
<https://chronoxor.com/cygwin/x86/cmake/cmake-3.12.0-1.tar.xz>_64
<https://chronoxor.com/cygwin/x86/cmake/cmake-3.12.0-1.tar.xz>/cmake/
*cmake-3.12.0-1-src.tar.xz*