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From: "Suhaib Siddiqi" <ssiddiqi AT inspirepharm DOT com>
To: "Cygwin AT Sourceware. Cygnus. Com" <cygwin AT sourceware DOT cygnus DOT com>
Subject: Win32 gcc and openGL
Date: Fri, 30 Jun 2000 07:35:36 -0400
Message-ID: <MHEMLLEBIBOHNHCIECPACEDBCEAA.ssiddiqi@inspirepharm.com>
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Use Cygwin 1.1.2

It has proper OpenGL and Glut libs and headers for non-X OpenGL.

Suhaib

----------------------
I'm trying to compile openGL code on Windows NT with cygwin b20 and
egcs-2.91.57. I have sgi's openGL dlls and Brian Kasper's precompiled Mesa
3.0 and glut 3.7.
My compile line is this:
gcc -mwindows -DWIN32 -dy -L/winnt/system32  -luser32 -lMesaGL -lglut -lMesa
GLU -o gluthello main.o

all of the lib*.a files are in or symlinked to the cygnus lib dir, but I get
warning: cannot find entry symbol _WinMainCRTStartup; defaulting to 00401000

then lots of undefined references to all the __glut*, gl*, and glut*
functions I used. Here's an example:
main.o(.text+0x49):main.c: undefined reference to
`__glutCreateMenuWithExit AT 8'

Obviously the linker can't find the libraries it needs.
Can anyone give me some instructions on how to set up the environment
correctly?

Thanks
Jason Majors





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