g++ -c -pipe -g -Wall -W -D_REENTRANT -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/local/Trolltech/Qt-4.1.0/mkspecs/linux-g++ -I. -I/usr/local/Trolltech/Qt-4.1.0/include/QtCore -I/usr/local/Trolltech/Qt-4.1.0/include/QtGui -I/usr/local/Trolltech/Qt-4.1.0/include -I. -I. -I. -o scheduler.o scheduler.cpp
g++ -Wl,-rpath,/usr/local/Trolltech/Qt-4.1.0/lib -o l040101 getdata.o main.o nodeqrect.o paintare.o scheduler.o vmanmainwindow.o adddialog.o moc_adddialog.o moc_paintare.o moc_vmanmainwindow.o -L/usr/local/Trolltech/Qt-4.1.0/lib -lQtGui_debug -L/usr/X11R6/lib -L/tmp/qt-x11-opensource-src-4.1.0/lib -lpng -lSM -lICE -lXi -lXrender -lXcursor -lXinerama -lfreetype -lfontconfig -lXext -lX11 -lQtCore_debug -lz -lm -ldl -lpthread
scheduler.o(.text+0x1c): In function `Scheduler::Scheduler[not-in-charge]()':
/root/l040401/scheduler.cpp:12: undefined reference to `vtable for Scheduler'
scheduler.o(.text+0x74): In function `Scheduler::Scheduler[in-charge]()':
/root/l040401/scheduler.cpp:70: undefined reference to `vtable for Scheduler'
collect2: ld returned 1 exit status
make: *** [l040101] Error 1
编译中出现上边的错误怎么办????期待回复.....................
