[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 #2 from Brian Paul <brianp at vmware.com> ---

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.

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