* Can't make an OpenGL program
@ 2002-09-04 15:30 Bill Ramsay
2002-09-04 16:15 ` Claudio Bley
0 siblings, 1 reply; 2+ messages in thread
From: Bill Ramsay @ 2002-09-04 15:30 UTC (permalink / raw)
To: gcc-help
I am new to both OpenGL and GCC, but not to C/C++. I am including
<GL/glut.h>, which is where it
is supposed to be (usr/include/GL under RH Linux 7.3) and apparently
the file is being found. But when
I run make or just compile I get an undefined reference for every method
I'm trying to use in glut.h.
The file looks fine and the methods are defined.
What am I doing wrong?
Bill
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Can't make an OpenGL program
2002-09-04 15:30 Can't make an OpenGL program Bill Ramsay
@ 2002-09-04 16:15 ` Claudio Bley
0 siblings, 0 replies; 2+ messages in thread
From: Claudio Bley @ 2002-09-04 16:15 UTC (permalink / raw)
To: Bill Ramsay; +Cc: gcc-help
>>>>> "Bill" == Bill Ramsay <RamsayW@attbi.com> writes:
Bill> I am new to both OpenGL and GCC, but not to C/C++. I am
Bill> including <GL/glut.h>, which is where it is supposed to be
Bill> (usr/include/GL under RH Linux 7.3) and apparently the file
Bill> is being found. But when I run make or just compile I get
Bill> an undefined reference for every method I'm trying to use in
Bill> glut.h.
Bill> The file looks fine and the methods are defined.
No, the functions are only declared in that header file, they are
defined in the appropriate library.
Bill> What am I doing wrong?
You forgot to link with the libglut library. Just specify -lglut as an
additional command line option to gcc.
HTH
Claudio
^ permalink raw reply [flat|nested] 2+ messages in thread
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