我之前安装了QT/X11-3.3.5，但是我现在想装2.3.2的版本，因为安装2.3.2版本的时候 老是出错：
In file included from kernel/qt_x11.h:76,
from kernel/qpsprinter.cpp:97:
/usr/X11R6/include/X11/Xft/Xft.h:35:31: freetype/freetype.h: 没有那个文件或目录
In file included from kernel/qt_x11.h:76,
from kernel/qpsprinter.cpp:97:
/usr/X11R6/include/X11/Xft/Xft.h:52: syntax error before `;' token
/usr/X11R6/include/X11/Xft/Xft.h:86: 'FT_UInt' is used as a type, but is not
defined as a type.
/usr/X11R6/include/X11/Xft/Xft.h:93: 'FT_UInt' is used as a type, but is not
defined as a type.
/usr/X11R6/include/X11/Xft/Xft.h:190: parse error before `*' token
/usr/X11R6/include/X11/Xft/Xft.h:295: parse error before `*' token
/usr/X11R6/include/X11/Xft/Xft.h:354: parse error before `*' token
/usr/X11R6/include/X11/Xft/Xft.h:393: parse error before `*' token
/usr/X11R6/include/X11/Xft/Xft.h:399: parse error before `*' token
/usr/X11R6/include/X11/Xft/Xft.h:408: type specifier omitted for parameter `
FT_UInt'
/usr/X11R6/include/X11/Xft/Xft.h:408: parse error before `,' token
/usr/X11R6/include/X11/Xft/Xft.h:418: parse error before `*' token
/usr/X11R6/include/X11/Xft/Xft.h:461: parse error before `*' token
make[2]: *** [kernel/qpsprinter.o] Error 1
make[2]: Leaving directory `/qt-embedded/qt-2.3.2/src'
make[1]: *** [sub-src] Error 2
make[1]: Leaving directory `/qt-embedded/qt-2.3.2'
make: *** [init] Error 2
我想把原来的3.3.5版的卸载掉，然后再装2.3.2的，怎么办？？？
