[LLVMdev] Growing up CMake

Argiris Kirtzidis akyrtzi at gmail.com
Fri Oct 24 17:02:52 PDT 2008

Óscar Fuentes wrote:
> Argiris Kirtzidis <akyrtzi at gmail.com> writes:
>> I gave it a try and unfortunately it doesn't seem practical to use 
>> CMake-produced VC++ projects. Every time you run CMake so that the VC++ 
>> projects include new files, the entire solution gets rebuilt.
> I recall some discussion about the behavior you describe on the cmake
> ml, but can't find it right now.
> IIRC, once generated the project files, you shouldn't need to re-run
> cmake, ever. CMake inserts something in the project files for detecting
> that a re-generation is needed and automatically stops the build and
> invokes itself, then continue, perhaps with some intermediate prompt by
> the IDE about changed files, etc.

Thanks for the tip. For a simple test I added a file entry in 
tools/llc/CMakeLists.txt and, after doing "Build Solution", CMake 
recreated 7 project files, resulting in building 41.
Why wasn't just the llc project affected, do the dependencies need 
tweaking or something ?


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