well I kinda fixed it, by adding #undef GL_EXT_polygon_offset at the top of my program. And it works. .... ???
I didn't look too hard for SGI-issued headers, since I got that fixed, but I'm interested by the "real" ones :-) if anyone comes across them... Thanks for your help, Romain Casey Webster wrote: > > Are you using the nvidia openGL libs? if so, your problem is likely that > you are using nvidia libs, and mesa headers. There should be some headers > in the nvidia_glx download, you should use those instead of the current > headers and the problem should clear up. If there are no headers in that > tarball, try SGI's openGL sdk headers, nVidia licenses its openGL > implementation from SGI (this is also the reason the drivers are not fully > opensource, they cant release the stuff licensed from SGI), that might > work. > > you can try the program 'strings' (strings lib.o) to list any strigns in > the liberary, and you will get the functions, and a lot of unwanted stuff > as well, dont know how usefull that wuold actually be if the compiler is > mangling names. > > On Mon, 15 Jan 2001, Romain Lerallut wrote: > > > Hi all! > > > > I'm using an nvidia card and I have a problem with compiling OpenGL apps > > with it: > > > > cc -o origami origami.o -L../libglut -L/usr/X11R6/lib -L/usr/lib > > -L/home/romain/OpenGL/opengl_for_x/glut/libglut -lglut -lGL -lGLU -lXmu > > -lXext -lX11 -lm > > origami.o: In function `display': > > origami.o(.text+0x655): undefined reference to `glPolygonOffsetEXT' > > origami.o(.text+0x6ac): undefined reference to `glPolygonOffsetEXT' > > collect2: ld returned 1 exit status > > > > Hint: > > the prototype for glPolygonOffsetExt is in /usr/include/GL/gl.h but the > > file header starts with > > > > /* > > * Mesa 3-D graphics library > > * Version: 3.4 > > */ > > which seems suspicious. > > > > any ideas ? (the drivers downloaded from nvidia don't have any > > opengl-related header file) > > > > Related question: > > how can I list the functions defined in a given .o (resp .a, .so ) ? > > > > Thanks for any clue > > (free jpeg screenshot from my open gl flight sim for the five first > > answers :) > > Romain > > > > > > > > > > PS: my /usr/lib/libGL* libs look like that: > > lrwxrwxrwx 1 root root 14 Jan 14 12:27 libGL.so -> > > libGL.so.1.0.5 > > lrwxrwxrwx 1 root root 14 Jan 11 22:48 libGL.so.1 -> > > libGL.so.1.0.5 > > -rwxr-xr-x 1 root root 184112 Jan 14 12:27 libGL.so.1.0.5 > > lrwxrwxrwx 1 root root 13 Jan 11 22:47 libGLU.so -> > > libGLU.so.1.3 > > lrwxrwxrwx 1 root root 13 Nov 14 23:01 libGLU.so.1 -> > > libGLU.so.1.3 > > -rwxr-xr-x 1 root root 487348 Nov 10 00:39 libGLU.so.1.3 > > lrwxrwxrwx 1 root root 18 Nov 14 18:49 libGLcore.so.1 > > -> libGLcore.so.1.0.5 > > -rwxr-xr-x 1 root root 1499464 Jan 14 12:27 > > libGLcore.so.1.0.5 > > -rwxr-xr-x 1 root root 26168 Dec 6 00:07 libGLw.a > > > > > > -- > > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > > with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] > > > > -- > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
