title: Compiling error: cannot find -lGLU and -lGL in kubuntu linux
body: <p>I have some problems with compiling "hello world" application in kubuntu linux 11.10. This is project file:</p>
  
  <pre><code>// opengltext.pro
  SOURCES += \
      main.cpp
  QT += opengl
  </code></pre>
  
  <p>And one cpp file:</p>
  
  <pre><code>    // main.cpp
  
      #include &lt;QApplication&gt;
  
      int main( int argc, char *argv[] )
      {
          QApplication app( argc, argv );
          return app.exec();
      }
  </code></pre>
  
  <p>i have got the following errors:</p>
  
  <pre><code>:-1: error: cannot find -lGLU
  :-1: error: cannot find -lGL
  :-1: error: collect2: ld returned 1 exit status
  </code></pre>
  
  <p>I try find in google the solution of this problem. But didn't find.
  i try to install:</p>
  
  <pre><code>sudo apt-get install libglw1-mesa-dev
  </code></pre>
  
  <p>but this error is still taking place</p>
  
  <p>What's the problem?</p>