[cmake-developers] New find module: FindGLEW.cmake

Benjamin Eikel cmake at eikel.org
Thu Aug 30 07:23:24 EDT 2012


Am Donnerstag, 30. August 2012 um 13:00:48 schrieb Rolf Eike Beer:
> Alexander Neundorf wrote:
> > On Wednesday 29 August 2012, Benjamin Eikel wrote:
> > > Dear CMake developers,
> > > 
> > > I have written a find module for the OpenGL Extension Wrangler (GLEW)
> > > [1] library (see attachment). I tried to follow all the instructions
> > > that I have found. I am willing to maintain that module.
> > > Unfortunately, the header file "glew.h" does not contain any version
> > > information. I could
> > 
> > Cool :-)
> > From looking a bit around on the web, it seems other alternative names
> > for the glew library are "glew" and "glew32s"
> > Maybe you can add those two names to the find_library() call ?
> > 
> > > extract version information using PkgConfig, but I have in mind that
> > > using PkgConfig is discouraged. I am looking forward to your feedback.
> > 
> > If possible, it'd be nice to do that without pkg-config, that's right.
> > glew.h on my system contains several version-related macros, isn't any of
> > these usable ?
> 
> Why? My guess would be to check whatever works, i.e. test pkg-config first
> and if that doesn't give anything suitable then do the normal scanning.

Cheking pkg-config first is possible. But that would mean that the result of the 
find module depends on the availability of pkg-config (a version is reported if 
and only if pkg-config is available). Is that desirable?

> 
> Or did you mean "do not _require_ pkg-config"?

Because pkg-config is not available on all platforms, it is unwise to require 
it.

> 
> Eike
> --



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