Re: Visual Python, OS X source build, Homebrew dependencies

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




------------------------------------------------------------------------------
Live Security Virtual Conference
Exclusive live event will cover all the ways today's security and 
threat landscape has changed and how IT managers can respond. Discussions 
will include endpoint security, mobile security and the latest in malware 
threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/