[CMake] return and break commands

[Bill Hoffman]

Josef Karthauser wrote:

> 
> Ah ok.  I'm still using 2.4.7.  Are functions a new unreleased thing?
> So from what you've just said I expect that RETURN in a macro in 2.4.7
> will cause the current CMakeLists.txt file to end processing.  Is that
> correct?
> 
> So, the next question, is how easy is to back port this to 2.4.7?  I've
> got a really big need for it, but enough local patches that I can't go
> forward to 2.nextone yet.
> 

We are not going to put this in 2.4.7.  Only "serious" bug fixes at this 
point.   That is too bad you have so many local patches.  I am assuming 
they are things that we will not accept or that you can not release?

-Bill