[CMake] Forcing vc guiids to be the same

[Brad King]

Matthew Campbell wrote:
> I was wondering if there was any way to instruct cmake to generate the
> same guid’s for Microsoft projects and solution files?  We would like to
> have the option of putting the solutions and projects in source control
> but this poses a problem since the guids are regenerated and differ each
> time.

FYI, putting the CMake-generated build system under source control is
not a supported use case.  In order to build anything non-trivial CMake
has to be on the system where the build occurs.

-Brad