[CMake] Using gcc as an alternative compiler on windows

[John Drescher]

> 2010/1/20 Mike Jackson <mike.jackson at bluequartz.net>:
>> You need to have a valid/correct installation of MinGW or MSYS+MinGW or Cygwin.
>
> As a complement to Mike advice you may have a look at
> Code::Blocks (aka C::B) too, it's a cross-platform IDE working on Windows
> and there is downloadable installer which comes bundled with MinGW
> http://www.codeblocks.org/downloads/5
>
> and off course there is a Code::Blocks+MInGW generator supported by CMake.
>

To add an additional option I have successfully used QtCreator (which
builds using MinGW) on windows with cmake. It supports CMakeLists.txt
files directly. I would call it work in progress as far as the CMake
support.

John