Re: [Visualpython-users] Visual Python, OS X source build, Homebrew dependencies

[Bruce S. <Bru...@nc...>]

Thanks much, Martin. What would be the most useful link to your
version to place on the vpython.org Mac download page?

Bruce Sherwood

On Thu, Aug 16, 2012 at 6:27 PM, Martin Costabel <cos...@wa...> wrote:
> On 14/08/12 16:27, Martin Costabel wrote:
> []
>> For Fink on OSX 10.7/10.8, I haven't yet made a visualpython package. I
>> am running into compilation errors of the type
>>
>> ./core/util/gl_extensions.cpp:50:17: error: assigning to
>> 'PFNGLTEXIMAGE3DEXTPROC' (aka 'void (*)(GLenum, GLint, GLenum, GLsizei,
>> GLsizei, GLsizei, GLint, GLenum, GLenum, const GLvoid *)') from
>> incompatible type 'void (GLenum, GLint, GLint, GLsizei, GLsizei,
>> GLsizei, GLint, GLenum, GLenum, const GLvoid *)': type mismatch at 3rd
>> parameter ('GLenum' (aka 'unsigned int') vs 'GLint' (aka 'int'))
>>                           glTexImage3D = ::glTexImage3D;
>>                                        ^ ~~~~~~~~~~~~~~
>>
>> There are lots of header files that might be responsible for such
>> incompatibilities, and I am not willing to spend hours chasing down such
>> errors.
>
> Finally, I did spend those hours and found a workaround. It turns out
> that there are two incompatible declarations of glTexImage3D floating
> around in the various OpenGL/gl.h or GL/glext.h headers. Apple changed
> the OpenGL/gl.h header between OSX 10.6 and 10.7 from one version to the
> other, and vpython is now mixing the two, which does not compile.
>
> Patching the definition of PFNGLTEXIMAGE3DEXTPROC in include/GL/glext.h
> allows visual to compile, and it runs OK.
>
> Version 5.74 is now in Fink.
>
> --
> Martin
>
>
>
>
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