[CMake] Documentation does not include --check-build-system

[Alexander Neundorf]

On Saturday 26 November 2011, J Decker wrote:
> I don't find any documentation on the command that cmake uses with a
> cmake -E --check-build-system .... Does this option happen to set any
> specific cmake variable indicating that it is doing a check build?
> 
> I'm inquiring and I saw a post about it before
> http://www.kwwidgets.org/Bug/view.php?id=2133   (closed)
> 
> about someone saying it might be nice to be able to bypass the
> cmake_check_build_system rule in the makefile.
> 
> I would like to make building this project a single click interface.
> - in the cmake script I can define some options to build all, install
> or package during the configure.  But if I do, then the first thing
> that is done is the cmake script is processed again (which it already
> was), which triggers the make again, which calls cmake, etc.  I could
> test to see if's a phase that isn't --check-build-system and do the
> command?
> 
> Also I think I'd really just like to be the last thing done on a
> 'generate' in the cmake-gui (not entirely sure what the difference is
> between configure and generate).

"Configure" basically processes the CMakeLists.txt, "Generate" then generates 
the Makefiles/project files.

Alex