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1\ qmake -project
2\ qmake
3\ makeʱ±àÒë³ö´í
g++ -o hello hello.o main.o moc_hello.o -L/root/qt-2.3.7/lib -L/usr/X11R6/lib -lqt-mt -Xext -1X11 -1m
/usr/bin/ld: cannot fid -lqt-mt
collect2: ld returned 1 exit status
make: *** [hello] Error 1
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PATH=$QTDIR/bin:$PATH
MANPATH=$QTDIR/man:$MANPATH
LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH
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