未定义引用`gluOrtho2D' [英] undefined reference to `gluOrtho2D'

问题描述

http://programanddesign.com/cpp/qt-opengl-code-example /

我正在尝试上面的例子，包括

I am trying out above example and included

#include <GL/glu.h>
#include <GL/glut.h>

但我得到一个gluOrtho2D未定义的错误。

as well. but I am getting a gluOrtho2D undefined error. what am I doing wrong here ?

推荐答案

你需要把OpenGL和GLU库放在你的对象中，'#include'指令不是一个库，它只是一个库可以为你做的参考。库有linux上的.so扩展，MacOS上的.dylib和windows上的.dll / .lib，你需要告诉我们你正在使用什么来编译（MinGW，VisualStudip，QtCreator），还告诉我们你链接什么库与。对于OpenGL，在linux是-lGL，在Windows是-lOpenGL32。

You need to put the OpenGL and GLU libraries in your object, the '#include' directive is not an library, it's just a reference of what the library can do for you. Libraries have the .so extension on linux, .dylib on MacOS and .dll / .lib on windows, you need to tell us What you are using to compile, ( MinGW, VisualStudip, QtCreator ) and also tell us what libraries are you linking with. for OpenGL, in linux is -lGL, in windows is -lOpenGL32.

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