求助，Mac下Qt编译的问题

[weixin_38078293]

遇到2个警告ld: warning: directory '/tmp/qt-stuff-6474/source/qt-everywhere-opensource-src-4.7.0/lib' following -L not foundld: warning: directory '/tmp/qt-stuff-6474/source/qt-everywhere-opensource-src-4.7.0/lib' following -F not found这个是什么原因啊。如何处理