[CMake] Linux In-the-source Build multiple modes without swithing

[Bill Hoffman]

Charlie Sun wrote:
> Hi,
> I'm trying to do a linux  build with both release and debug mode. In 
> stead of builing out of source as indicated on the FAQ 4.15, I really 
> need to do in the source build. currently, if I do a release build and 
> then a debug build and then another release build. It will actually 
> rebuild the release and forgets the previous release build. Is it 
> because cmake is only generating one set of objective files when doing 
> in-the-source, either release or debug? Is there a way to have both? Any 
> help is greatly appreciated!
> 
> Regards,

The only way to do what you want is to use out of source builds.  Why do 
you have to do in-source builds?

-Bill