[Mesa-dev] [Bug 105328] Can't include gl and gles headers simultaneously on non-64 bit architectures

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105328

--- Comment #4 from Brian Paul <brianp at vmware.com> ---
(In reply to Brian Paul from comment #2)
> Evidently, the problem with the 32-bit build is that ptrdiff_t is not
> equivalent to signed long int.
> 
> This hack works for me:
> 
> #include <stddef.h>
> #include <GLES2/gl2.h>
> #define GL_VERSION_1_5
> #include <GL/gl.h>
> int main (int argc, char **argv) { return 0; }
> 
> This basically causes the GL_VERSION_1_5 section in glext.h to be skipped. 
> If you need definitions from that section, you'd probably have to copy&paste
> them.
> 
> I proper fix would probably involve adding #ifndef GLSIZEIPTR / #endif
> guards around the typedefs.  That would have to be done upstream in the
> Khronos headers.

On second thought, including khrplatform.h in glext.h and changing the typedefs
to read
typedef khronos_ssize_t GLsizeiptr;
typedef khronos_intptr_t GLintptr;

would be pretty simple.  I added this to Eric's Khronos bug report.

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