----- Original Message ----- From: "Igor Pechtchanski" <[EMAIL PROTECTED]> To: "Mikael Åsberg" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Monday, January 20, 2003 6:09 PM Subject: RE: Building opengl applications
> On Mon, 20 Jan 2003, [iso-8859-1] Mikael Åsberg wrote: > > > ----- Original Message ----- > > From: "Igor Pechtchanski" <[EMAIL PROTECTED]> > > To: "Mikael Åsberg" <[EMAIL PROTECTED]> > > Cc: <[EMAIL PROTECTED]> > > Sent: Monday, January 20, 2003 5:45 PM > > Subject: Re: Building opengl applications > > > > > > > On Mon, 20 Jan 2003, [iso-8859-1] Mikael Åsberg wrote: > > > > > > > Hello, I am trying to build a simple OpenGL program (an example taken from > > > > the famous "Red Book"). However, during the build process the following > > > > error messages are displayed: > > > > > > > > /cygdrive/c/DOCUME~1/ADMINI~1/LOCALS~1/Temp/ccK0lHn2.o(.text+0xe):test.c: undefined reference to `glEnableClientState@4' > > > > /cygdrive/c/DOCUME~1/ADMINI~1/LOCALS~1/Temp/ccK0lHn2.o(.text+0x1d):test.c: undefined reference to `glEnableClientState@4' > > > > /cygdrive/c/DOCUME~1/ADMINI~1/LOCALS~1/Temp/ccK0lHn2.o(.text+0x44):test.c: undefined reference to `glVertexPointer@16' > > > > /cygdrive/c/DOCUME~1/ADMINI~1/LOCALS~1/Temp/ccK0lHn2.o(.text+0x6b):test.c: undefined reference to `glColorPointer@16' > > > > /cygdrive/c/DOCUME~1/ADMINI~1/LOCALS~1/Temp/ccK0lHn2.o(.text+0x92):test.c: undefined reference to `glInterleavedArrays@12' > > > > > > > > Actually, there is more, but each error is an undefined reference so it > > > > seems gcc cannot find > > > > the libraries. I did install them, though. > > > > Building with -glut32 -lglu32 -lopengl32 > > > > > > > > What am I doing wrong? > > > > > > > > Hope you can help me =) > > > > > > > > // Mikael > > > > > > > > -- > > > > Bug reporting: http://cygwin.com/bugs.html > > > > Documentation: http://cygwin.com/docs.html > > > > FAQ: http://cygwin.com/faq/ > > > > > > Mikael, > > > > > > Please note the last 3 lines above. I'm sure at least some of the > > > relevant information is contained there. If not, at least they contain a > > > way of reporting your problem with the maximum of useful information > > > (especially the first link of the three). Without knowing the exact > > > command line you gave to gcc and the packages you have installed, there is > > > no way to provide useful input. Please peruse the instructions at the > > > above links on how to report your problem properly. > > > Igor > > > > > > > > Apart from the base install, I have installed the opengl library and gcc and > > the packages it requires (cygwin, ash, binutils, w32api, mingw-runtime, > > linintl2, gcc-mingw). I already gave the build command: > > gcc -glut32 -lglu32 -lopengl32 -o test test.c > > > > Any other info needed? This is cygwin 1.3.18, packages were downloaded a > > few weeks ago. > > Mikael, > > You still didn't read the bug reporting guidelines at > <http://cygwin.com/bugs.html>. For the future, please read them and > follow them when posting. > > Now that you gave a *full* build command (which you most assuredly did not > before), you have provided enough information to deduce the nature of your > problem. The order of arguments to gcc does matter. The library > containing a particular symbol should follow the object trying to use that > symbol in the argument list. Try > > gcc -o test test.c -glut32 -lglu32 -lopengl32 > > You may also need to juggle the -l arguments to make this work. > Igor > -- > http://cs.nyu.edu/~pechtcha/ > |\ _,,,---,,_ [EMAIL PROTECTED] > ZZZzz /,`.-'`' -. ;-;;,_ [EMAIL PROTECTED] > |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski > '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! > > Oh, boy, virtual memory! Now I'm gonna make myself a really *big* RAMdisk! > -- /usr/games/fortune > > Thanks, switching the order of the parameters worked. Now using gcc -o test test.c -lopengl32 -lglu32 -lglut, and it compiles and links. However, it crashed upon startup because it cannot find the file glut.dll and that file is not in my system so I must have missed something. Haven't worked with cygwin/gcc/opengl before. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
