Date: Wed, 4 Oct 2006 18:20:24 -0700 From: MC <rossiya@gmail.com> To: freebsd-ports-bugs@freebsd.org Subject: Nvidia and libglut header files mutually broken Message-ID: <28a99ba50610041820q5a3e817y65d22415378e1c08@mail.gmail.com> In-Reply-To: <28a99ba50610022232w54c72118k72da417a18edc51a@mail.gmail.com> References: <28a99ba50610022232w54c72118k72da417a18edc51a@mail.gmail.com>
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Hello
To use GL in builds I changed my CL directory to nvidia's. I seems to
be constructed with that intention. But I noticed that libglut
programs don't compile, unless glut.h in the nvidia directory
/usr/X11R6/share/doc/NVIDIA_GLX-1.0 is prefixed with:
#if !defined(OPENSTEP) && (defined(__WIN32__) && !defined(__CYGWIN__))
# if (defined(_MSC_VER) || defined(__MINGW32__)) &&
defined(BUILD_GL32) /* tag specify we're building mesa as a DLL */
# define GLAPI __declspec(dllexport)
# elif (defined(_MSC_VER) || defined(__MINGW32__)) && defined(_DLL)
/* tag specifying we're building for DLL runtime support */
# define GLAPI __declspec(dllimport)
# else /* for use with static link lib build of Win32 edition only */
# define GLAPI extern
# endif /* _STATIC_MESA support */
# define GLAPIENTRY __stdcall
#elif defined(__CYGWIN__) && defined(USE_OPENGL32) /* use native
windows opengl32 */
# define GLAPI extern
# define GLAPIENTRY __stdcall
#elif defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 303
# define GLAPI __attribute__((visibility("default")))
# define GLAPIENTRY
#endif /* WIN32 && !CYGWIN */
Also when building libglut the glut.h file there in work/ needs that
prefix as well. This even applies to the latest libglut 6.4.2 as
well.
Here are trees of my GL header files linked so as to invoke the nvidia
headers. Basically I just replaced standard filepaths with nvidia
equivalents. I renamed the standard GL directory to _GL, and made GL
a symlink to /usr/X11R6/share/doc/NVIDIA_GLX- 1.0/GL: Obviously in
retrospect the GL/ in NVIDIA can be bypassed. Anyway it works I'm
just including it for completion:
pocket:/usr/ports/graphics/libglut # tree -f /usr/X11R6/include/GL/
/usr/X11R6/include/GL
|-- /usr/X11R6/include/GL/gl.h -> /usr/X11R6/share/doc/NVIDIA_GLX-1.0/gl.h
|-- /usr/X11R6/include/GL/glext.h -> /usr/X11R6/share/doc/NVIDIA_GLX-1.0/glext.h
|-- /usr/X11R6/include/GL/glu.h -> /usr/X11R6/include/_GL/glu.h
|-- /usr/X11R6/include/GL/glut.h -> /usr/X11R6/include/_GL/glut.h
|-- /usr/X11R6/include/GL/glut.h,v
|-- /usr/X11R6/include/GL/glx.h -> /usr/X11R6/share/doc/NVIDIA_GLX-1.0/glx.h
`-- /usr/X11R6/include/GL/glxtokens.h ->
/usr/X11R6/share/doc/NVIDIA_GLX- 1.0/glxtokens.h
pocket:/usr/ports/graphics/libglut # tree -f
/usr/X11R6/share/doc/NVIDIA_GLX-1.0 | grep -v html
/usr/X11R6/share/doc/NVIDIA_GLX-1.0
|-- /usr/X11R6/share/doc/NVIDIA_GLX-1.0/GL
| |-- /usr/X11R6/share/doc/NVIDIA_GLX- 1.0/GL/gl.h ->
/usr/X11R6/share/doc/NVIDIA_GLX-1.0/gl.h
| |-- /usr/X11R6/share/doc/NVIDIA_GLX-1.0/GL/glext.h ->
/usr/X11R6/share/doc/NVIDIA_GLX-1.0/glext.h
| |-- /usr/X11R6/share/doc/NVIDIA_GLX-1.0/GL/glu.h ->
/usr/X11R6/include/_GL/glu.h
| |-- /usr/X11R6/share/doc/NVIDIA_GLX-1.0/GL/glut.h ->
/usr/X11R6/include/_GL/glut.h
| |-- /usr/X11R6/share/doc/NVIDIA_GLX-1.0/GL/glut.h,v
| |-- /usr/X11R6/share/doc/NVIDIA_GLX-1.0/GL/glx.h ->
/usr/X11R6/share/doc/NVIDIA_GLX- 1.0/glx.h
| `-- /usr/X11R6/share/doc/NVIDIA_GLX-1.0/GL/glxtokens.h ->
/usr/X11R6/share/doc/NVIDIA_GLX-1.0/glxtokens.h
|-- /usr/X11R6/share/doc/NVIDIA_GLX-1.0/README
|-- /usr/X11R6/share/doc/NVIDIA_GLX-1.0/XF86Config.sample
|-- /usr/X11R6/share/doc/NVIDIA_GLX-1.0/gl.h
|-- /usr/X11R6/share/doc/NVIDIA_GLX-1.0/glext.h
|-- /usr/X11R6/share/doc/NVIDIA_GLX-1.0/glx.h
|-- /usr/X11R6/share/doc/NVIDIA_GLX-1.0/glxtokens.h
|-- /usr/X11R6/share/doc/NVIDIA_GLX- 1.0/license.txt
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