[CMake] OpenSceneGraph Find Modules

[Hendrik Sattler]

Am Samstag 05 Januar 2008 schrieb Alexander Neundorf:
> On Friday 04 January 2008, Hendrik Sattler wrote:
> ...
>
> > > Then I have a FindZeroCIce.cmake which essentially has this code:
> > >
> > > [...]
> > > SET( ZeroCIceCore_FIND_QUIETLY TRUE )
> > > SET( ZeroCIceBox_FIND_QUIETLY TRUE )
> > > SET( ZeroCIceGrid_FIND_QUIETLY TRUE )
> > > SET( ZeroCIcePatch2_FIND_QUIETLY TRUE )
> > > SET( ZeroCIceSSL_FIND_QUIETLY TRUE )
> > > SET( ZeroCIceStorm_FIND_QUIETLY TRUE )
> > > SET( ZeroCIceUtil_FIND_QUIETLY TRUE )
> > > SET( ZeroCIceXML_FIND_QUIETLY TRUE )
> > > SET( ZeroCIceExecutables_FIND_QUIETLY TRUE )
> > > SET( ZeroCIceFreeze_FIND_QUIETLY TRUE )
> > > SET( ZeroCIceGlacier2_FIND_QUIETLY TRUE )
> > >
> > > FIND_PACKAGE( ZeroCIceCore )
> >
> > or simpler:
> > foreach ( i Core Box Grid Patch2....)
> >   set ( ZeroCIce${i}_FIND_QUIETLY TRUE )
> >   find_package ( ZeroCIce${i} )
> > endforeach ( i )
> > That's not really worth a seperate module file.
> >
> > Maybe a scheme for module subdirectories should be created and added to
> > CMake? There are probably plenty of such projects that are splitted into
> > numerous sub-parts. A
> >   find_package ( ZeroCIce COMPONENTS Core Box )
> > could then automatically resolv to the above two parts but for the module
> > files:
> >   FindZeroCIce/Core.cmake and
> >   FindZeroCIce/Box.cmake
> >
> > If that cannot be included into CMake, such modules could include the
> > files in the subdir and evaluate the COMPONENTS themselves in a
> > FindZeroCIce.cmake. IMHO using a subdirectory is way better than putting
> > everything in the file name because at one point, the directory listing
> > of the modules directory will not be readable anymore :-(
>
> Yes.
> Can you please open a feature request in the bug tracker for that ?

I don't work with have a project with such needs. However, if the module 
maintainers of the already mentioned project would use such a scheme, I 
suggest that they file the feature request.
So the question is: What do the ZeroCIce and OSG module writers think about a 
scheme with subdirectories?

HS