继续苦恼中啊!我在终端下进入QTcreator的安装目录下的bin中,启动./qtcreator,提示的是:核心载入失败,/opt/qtcreator-2.2.0/lib/qtcreator/plugins/Nokia/libCore.so;无法加载库/opt/qtcreator-2.2.0/lib/qtcreator/plugins/Nokia/libCore.so:(/usr/lib/libstdc++.so.6:version‘GLIBCXX_3.4.9’not found )。请教大侠指点迷津。