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Date:	Wed, 23 May 2001 09:37:51 -0400
To:	cygwin AT cygwin DOT com
From:	Andre Bleau <bleau AT igb DOT umontreal DOT ca>
Subject:	Re: Errors compiling OpenGL application
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"Claude Eckel" <pinky dot gahr at web dot de>  wrote:

>I compiled a library called 'PLIB' using cygwin. Everything worked fine.
>Then I tried to compile a game using this lib and I got about 6 sides of
>errors like this:
>undefined reference to 'glVertexi AT 8'
>undefined reference to 'glBegin AT 4'
>undefined reference to 'glEnd AT 0'
>
>If you want to see the command I used:
>
>c++
>MIP1.00.cpp -o./MIP.exe -I/usr/include/plib/ -lglut32 -lopengl32 -lGLU32 -lp
>libssg -lplibsg -lplibpu -lplibfnt -lplibul
>
>What should I do / include?

The order of libraries is important. I don't know anything about PLIB, but 
Glut, Glu and OpenGL don't call these libraries, so I would put PLIB 
librairies before them. Also, Glu calls OpenGL so -lglu32 has to be before 
-lopengl32. I would modify your compilation command as follow:

g++ MIP1.00.cpp -o MIP.exe -I/usr/include/plib/ -lplibssg -lplibsg \
  -lplibpu -lplibfnt -lplibul -lglut32 -lglu32 -lopengl32

You should read the REAME.txt file in /usr/doc/opengl-1.1.0 .



André Bleau, Cygwin's OpenGL package maintainer.

email: bleau at igb dot umontreal dot ca
(Fight SPAM: encode your email-address)



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