换了后qmake -v还是指向原来的目录，设置环境变量后qmake虽然指向的是新换目录的，但是编译程序时提示：
"/usr/local/Trolltech/QT/4.3.2/include/QtCore/../../src/corelib/arch/qatomic_arc
h.h", line 58.4: 1540-0859 (S) #error directive: "Qt has not been ported to this
architecture".
"/usr/local/Trolltech/QT/4.3.2/include/QtCore/../../src/corelib/global/qglobal.h
", line 40.10: 1540-0836 (S) The #include file <QtCore/qconfig.h> is not found.
"/usr/local/Trolltech/QT/4.3.2/include/QtCore/../../src/corelib/global/qglobal.h
", line 1117.4: 1540-0859 (S) #error directive: "Qt not configured correctly, pl
ease run configure".
"/usr/local/Trolltech/QT/4.3.2/include/QtCore/../../src/corelib/global/qglobal.h
", line 2006.6: 1540-0859 (S) #error directive: "Qt not configured correctly, pl
ease run configure".
make：1254-004 上次命令的错误代码为 1。
