if test "$KPOVMODELER_OPENGL" = "no"; then
  if test "$have_gl_headers" = "no"; then
    echo ""
    echo "You are missing"
    if test "$ac_cv_header_GL_gl_h" = "no"; then
      echo "    - OpenGL (mesa)"
    fi
    if test "$ac_cv_header_GL_glu_h" = "no"; then
      echo "    - GLU"
    fi
    if test "$ac_cv_header_GL_glx_h" = "no"; then
      echo "    - GLX"
    fi
    echo "KPovModeler will not be compiled."
    echo "You can download them from"
    echo "http://mesa3d.sf.net"
    echo ""
  else
    echo ""
    echo "Your system fails at linking a small OpenGL application!"
    echo "KPovModeler will not be compiled."
    echo "Check, if OpenGL and GLU are installed correctly on your system."
    echo "For more details about this problem, look at config.log after"
    echo "the line \"checking for GL\"."
    echo ""
  fi
  all_tests=bad
fi

if test -z "$LIBFREETYPE_LIBS"; then
  echo ""
  echo "You're missing freetype2. KPovModeler will not display true type texts."
  echo "You can download it from"
  echo "http://www.freetype.org"
  echo ""
  all_tests=bad
fi