跑example的問題

[訪客]

tictactoedialog.cpp:25:22: QtDesigner: No such file or directory
tictactoedialog.cpp: In member function `void TicTacToeDialog::saveState()':
tictactoedialog.cpp:66: error: `QDesignerFormWindowInterface' undeclared (first
use this function)
tictactoedialog.cpp:66: error: (Each undeclared identifier is reported only once
for each function it appears in.)
tictactoedialog.cpp:67: error: `formWindow' undeclared (first use this function)

tictactoedialog.cpp:67: error: `QDesignerFormWindowInterface' has not been decla
red
tictactoedialog.cpp:67: error: `findFormWindow' undeclared (first use this funct
ion)
mingw32-make[1]: *** [tmp\obj\debug_shared\tictactoedialog.o] Error 1
mingw32-make: *** [debug-all] Error 2

我是跑QT4.2.1裡面的例子出現error,我有build debug lib了
請問有人知道這是什麼問題嗎???是QT給的example本身有問題嗎??

[cavendish]

用原有自带的.pro文件
基本都没有问题的