[CMake] How to define a global scope variable ?

[Tyler Roscoe]

On Mon, Jun 22, 2009 at 09:13:17PM -0700, Andy Lego wrote:
> set(global_name value CACHE INTERNAL FORCE)

I've also heard some people use environment variables (they don't
persist beyond CMake IIRC) -- set (ENV{global_name} value).

tyler