Re: w32api-2.5 <GL/glu.h> does not define wchar_t (Was: opengl-1.1.0-7 glut.h does not define wchar_t)

[Brian Ford <ford at vss dot fsi dot com>]

I'd say this issue is already fixed in cvs, although, I have not
completely confirmed it.

2004-02-19  Danny Smith  <dannysmith at users dot sourceforge dot net>

        * include/Gl/glu.h: Include <stddef.h>.
        Thanks to Greg Couch <gregcouch at users dot sourceforge dot net>

On Thu, 19 Feb 2004, Andre Bleau wrote:

> Philip Lamb <phil at rave dot co dot nz> wrote:
> >Hello,
> >
> >The changes to <GL/glu.h> in w32api-2.5 expose a problem with the glut.h
> >in opengl-1.1.0-7 package, file <GL/glut.h>. The problem is that whcar_t
> >is now required to be defined by /usr/include/w32api/GL/glu.h, however
> >glut.h does not do so.
>
> I think you meant glu.h in the above line.
>
> >I'm not sure where the _best_ place to put a definition is; for myself I
> >have put it at line 153 of glut.h. Others may wish to do so too, and
> >perhaps a patch to the opengl package is in order if other more
> >knowledgeable folks concur.
>
> No glut function uses wchar_t in any form, so IMO it does _not_ belong
> there. The only thing GL-related that uses wchar_t is
> gluErrorUnicodeStringEXT, an M$-specific extension to GLU; from w32api-2.5
> usr/include/w32api/GL/glu.h :
>
> GLAPI const wchar_t * APIENTRY gluErrorUnicodeStringEXT (GLenum error);
>
>  From w32api-2.5 announcement:
>
> >2003-09-24  Dimitri Papadopoulos  <papadopo@users.sourceforge.net>
> >
> >         * include/GL/glu.h (gluErrorUnicodeStringWIN): Add macro
> >         function. MSDN suggests using gluErrorUnicodeStringWIN
> >         instead of gluErrorString, as it allows both ANSI and Unicode
> >         error strings.
> >
> >         * include/GL/glu.h (gluErrorUnicodeStringEXT): Make the
> >         returned pointer const for consistency reasons.
> >
> >2003-09-24  Dimitri Papadopoulos  <papadopo@users.sourceforge.net>
> >
> >         * include/GL/glu.h (gluErrorUnicodeStringEXT): Add function.
> >         Function exists in glu32.def but is undocumented on MSDN.
> >         A Google search came up with this declaration.
> >
> >2003-09-24  Dimitri Papadopoulos  <papadopo@users.sourceforge.net>
> >
> >         * include/GL/glu.h: Rewritten from scratch. Started from GLU 1.3
> >         headers from OpenGL Sample Implementation. Windows ships with
> >         GLU 1.2 so some constants and functions were removed. Then some
> >         typedef's and function declarations were reworked to look like
> >         the previous GL/glu.h.
>
> So IMO, your patch below should be applied to glu.h by the w32api maintainers.
>
> >153,156d152
> >< # ifndef _WCHAR_T_DEFINED
> >< typedef unsigned short wchar_t;
> >< #  define _WCHAR_T_DEFINED
> >< # endif
> >The only other workaround I can see is adding an #include <windows.h>
> >before every #include <GL/glut.h> which is neither elegant nor in the
> >spirit of GLUT's philosophy of hiding platform dependencies.
> >--
> >Philip Lamb
> >phil@rave.co.nz
>
> I modified the above line (was a plain email adresss). Beware that Spam
> bots search lists like this one for new targets for their junk.
>
> I CC'd the MingW list about this issue.
>
> André Bleau, Cygwin's OpenGL package maintainer.
>
> Please address all questions and problem reports about Cygwin's OpenGL
> package to cygwin at cygwin dot com .
>

-- 
Brian Ford
Senior Realtime Software Engineer
VITAL - Visual Simulation Systems
FlightSafety International
Phone: 314-551-8460
Fax:   314-551-8444

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