Re: OpenGl Problem.

[Christian Gyrling <d98chgy@stud.hh.se>]

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Hi Nayan

You also need to include windows.h to make it all work. Something
with OpenGL.... =)
Also the glx is for Unix systems i belive. In windows environments
its <glaux.h> also your main function should return a value or
you should write "void main()" to tell the compiler that main will not
return a value. Otherwise the compiler assume an int as a return value.

/Christian

----- Original Message -----
From: "nayan" <nayans@rediffmail.com>
To: <gameprogrammer@topica.com>
Sent: Friday, April 27, 2001 10:13 AM
Subject: OpenGl Problem.


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> hi all,
>
> I have just started learning OpenGL and the following program did not
compile in VC++ 6 Entrepise Edition.
>
> #include <GL/gl.h>
> #include <GL/glu.h>
> #include <GL/glx.h>
>
> main() {
>
>    OpenAWindowPlease();
>
>    glClearColor(0.0, 0.0, 0.0, 0.0);
>    glClear(GL_COLOR_BUFFER_BIT);
>    glColor3f(1.0, 1.0, 1.0);
>    glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
>    glBegin(GL_POLYGON);
>       glVertex2f(-0.5, -0.5);
>       glVertex2f(-0.5, 0.5);
>       glVertex2f(0.5, 0.5);
>       glVertex2f(0.5, -0.5);
>    glEnd();
>    glFlush();
>
>    KeepTheWindowOnTheScreenForAWhile();
> }
>
> and i got the following error
> Compiling...
> sample.cpp
> d:\program files\microsoft visual studio\vc98\include\gl\gl.h(1152) :
error C2144: syntax error : missing ';' before type 'void'
> d:\program files\microsoft visual studio\vc98\include\gl\gl.h(1152) :
error C2501: 'WINGDIAPI' : missing storage-class or type specifiers
> d:\program files\microsoft visual studio\vc98\include\gl\gl.h(1152) :
fatal error C1004: unexpected end of file found
> Error executing cl.exe.
>
> i think there is problem with the header file becasue Borland c++ also
gave me some error regarding the Header file can Anyone tell me the remedy
for the situation.
>
> Regards
> Nayan
>
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