Jean-Francois Panisset wrote:
>
> I was playing around with the Template Graphics implementation of
> OpenInventor, and in one of the include files, I found:
>
> #if defined(__glu_h__) && defined(GLU_VERSION_1_2)
> #define gluTESSELATOR GLUtesselator
> #else
> #define gluTESSELATOR GLUtriangulatorObj
> extern "C" {
> struct GLUtriangulatorObj;
> }
> #endif
>
> This caused problems when compiling against the current version of
> MESA glu.h.
>
> __glu_h__ is the include guard used by the IRIX version of GL/glu.h
> (and __gl_h__ is used for GL/gl.h). MESA uses GL_H and GLU_H respectively.
>
> The solution was simple:
>
> #if (defined(__glu_h__) || defined(GLU_H)) && defined(GLU_VERSION_1_2)
> ...
>
> but this brings up the question: as we are heading towards a common
> gl.h and glu.h (BTW, thanks for making the GLenums #defines, it made
> my life a lot easier !), should this also extend to common include guards?
I can make that change. It's not part of any spec but I can see
how it might help with interoperability.
-Brian
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