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Date: Tue, 6 Feb 2007 14:59:00 -0600
From: Brian Ford <Brian DOT Ford AT FlightSafety DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: OpenGL linker error
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On Tue, 6 Feb 2007, Ritter, Nils wrote:

> we try to compile a cutting software named Salmon with Cygwin. All the
> source code files compile to .o object files. But when the linker try to
> build the binary, there're many openGL errors.
>
> This is the command:
>
> g++ -o out-glut/salmon out-glut/adjacency.o out-glut/assemble-matrix.o
> out-glut/big-vector.o out-glut/bounding.o ... lots of object files ...
> out-glut/wx-salmon.o -lXi -lXt -lICE -lXext -lXmu -lSM -lX11
> -L/usr/X11R6/lib -L/lib/w32api -lglut -lopengl32 -lm

Your first problem is that opengl32 is a Windows native library,
not an X11 one.  The X11 one is named GL.  You should not have a
-L/ib/w32api in this command.

Try reading /usr/share/doc/Cygwin/opengl*.README for clarification.

-- 
Brian Ford
Lead Realtime Software Engineer
VITAL - Visual Simulation Systems
FlightSafety International
the best safety device in any aircraft is a well-trained crew...

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