【提问】帮忙看看我的qt那里有问题 [复制链接]

$ make
g++-3.4 -c -pipe -Wall -W -O2 -DQT_NO_DEBUG -I/usr/share/qt3/mkspecs/default -I. -I. -I/usr/share/qt3/include -o main.o main.cc
main.cc:1:26: qapplication.h: 没有那个文件或目录
main.cc:2:20: qlabel.h: 没有那个文件或目录
main.cc: In function `int main(int, char**)':
main.cc:6: error: `QApplication' undeclared (first use this function)
main.cc:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
main.cc:6: error: expected `;' before "app"
main.cc:7: error: `QLabel' undeclared (first use this function)
main.cc:7: error: `label' undeclared (first use this function)
main.cc:7: error: `QLabel' has not been declared
main.cc:8: error: `app' undeclared (first use this function)
main.cc:11:2: warning: no newline at end of file
main.cc: At global scope: