[GEM-dev] Re: [GEM-cvs] Gem/src configure.ac,1.21,1.22

[IOhannes m zmoelnig]

IOhannes m zmölnig wrote:
> Update of /cvsroot/pd-gem/Gem/src
> In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv16495
> 
> Modified Files:
> 	configure.ac 
> Log Message:
> use AC_CHECK_FUNC rather than AC_CHECK_LIB to check for glBindProgram{NV,ARB} since on osX we don't have a library libGL but rather use the OpenGL-framework
> 
> NOTE: the test for glBindProgramNV fails to detect the nvidia-extensions on osX
> why ? because you have to explicitely request them by defining GL_NV_vertex_program before including the glext.h file on osX
> on linux (mesaGL,...) it is different: the extensions are only included, if GL_NV_vertex_program is NOT already defined

does anybody know, why apple's openGL headerfiles behave like that ?
why don't they follow SGI's reference implementation ? can this be 
thought of as a "bug" ?

mfg.asdr.
IOhannes