Open GL. error undefined reference to `[email protected]' Topic is solved

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gintare
Knows some wx things
Knows some wx things
Posts: 33
Joined: Fri Feb 02, 2007 12:20 pm

Open GL. error undefined reference to `[email protected]'

Post by gintare » Fri Jun 22, 2007 11:25 am

Hello,

I am having problems compiling the OpenGL tutorial found here:
http://wxdsgn.sourceforge.net/tutorials ... be76a9f.eg.
I just copied MyGLCanvas files from the tutorial to my application, included them in the project, frame header and created class in the constructor.
(I can not compile the whole example also. Error: cannot find -lwxmsw27 )

I am getting error:
[Linker Error] undefined reference to `[email protected]'

In the MyGLCanvas.h i tried to change

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gluPerspective(45.0,((float)w /(float) h), 1.0, 1000.0);
//to
gluPerspective(45.0,((GLdouble)w /(GLdouble) h), 1.0, 1000.0);
but error persist.
According to glu.h the gluPersective is defined as:

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GLAPI void APIENTRY gluPerspective (GLdouble fovy,   GLdouble aspect,   GLdouble zNear,    GLdouble zFar);
where is my mistake?
Regards,
Gintare

swapd0
I live to help wx-kind
I live to help wx-kind
Posts: 169
Joined: Mon May 14, 2007 11:16 am
Location: Spain

Post by swapd0 » Fri Jun 22, 2007 11:39 am

A linker error means that the compiler found the function because you included it(#include "gl/glu,h"), but don't have it to include the code, only has the declaration.
To fix this you must include the library to the project, in this case glu32.lib

gintare
Knows some wx things
Knows some wx things
Posts: 33
Joined: Fri Feb 02, 2007 12:20 pm

Post by gintare » Fri Jun 22, 2007 1:13 pm

now i am getting the error:

Code: Select all

cannot find -lwxmsw27   
ld returned 1 exit status 
 [Build Error] exe: *** [Default Profile/Project1.exe] Error 1


there is no glu32.lib, but there are other 4 libraries with similar names.
I tried several variants and formats like

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F:/Dev-Cpp/lib/libglu32.a
or

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-libglu32.a
The same with

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-libglaux.a
-libglut32.a
-libglut.a
what else could be done? In all cases the error is the same cannot find -lwxmsw27
regards,
Gintare

swapd0
I live to help wx-kind
I live to help wx-kind
Posts: 169
Joined: Mon May 14, 2007 11:16 am
Location: Spain

Post by swapd0 » Fri Jun 22, 2007 1:29 pm

Have you tried to remove the -lwxmsw27 library, in my project I only use wxbase28d.lib from widgets, and i'm also doing some opengl stuff, ofcourse linked with opengl32.lib glu32.lib.

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