Qt编译报错：mingw32/bin/ld.exe: cannot find -lVTGEud,该怎么解决

15:44:26: 为项目testcam执行构建步骤 ...15:44:26: 配置没有改变, 跳过 qmake 步骤.15:44:26: 正在启动 "C:\QtSDK\mingw\bin\mingw32-make.exe"  {1"?} {2?}C:/QtSDK/mingw/bin/mingw32-make.exe -f Makefile.Debugmingw32-make.exe[1]: Entering directory `D:/QtProjects/testcam'g++ -c -g -frtti -fexceptions -mthreads -Wall -DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_DLL -DQT_GUI_LIB -DQT_CORE_LIB -DQT_HAVE_MMX -DQT_HAVE_3DNOW -DQT_HAVE_SSE -DQT_HAVE_MMXEXT -DQT_HAVE_SSE2 -DQT_THREAD_SUPPORT -DQT_NEEDS_QMAIN -I"c:\QtSDK\Desktop\Qt\4.8.1\mingw\include\QtCore" -I"c:\QtSDK\Desktop\Qt\4.8.1\mingw\include\QtGui" -I"c:\QtSDK\Desktop\Qt\4.8.1\mingw\include" -I"include" -I"c:\QtSDK\Desktop\Qt\4.8.1\mingw\include\ActiveQt" -I"debug" -I"." -I"c:\QtSDK\Desktop\Qt\4.8.1\mingw\mkspecs\win32-g++" -o debug\mainform.o mainform.cppg++ -mthreads -Wl,-subsystem,windows -o debug\testcam.exe debug/main.o debug/mainform.o debug/moc_mainform.o  -L"c:\QtSDK\Desktop\Qt\4.8.1\mingw\lib" -lmingw32 -lqtmaind -LD:/QtProjects/testcam/lib/ -lVTGEud -lQtGuid4 -lQtCored4 mingw32-make.exe[1]: Leaving directory `D:/QtProjects/testcam'c:/qtsdk/mingw/bin/../lib/gcc/mingw32/4.4.0/../../../../mingw32/bin/ld.exe: cannot find -lVTGEudcollect2: ld returned 1 exit statusmingw32-make.exe[1]: *** [debug\testcam.exe] Error 1mingw32-make.exe: *** [debug] Error 215:44:28: 进程"C:\QtSDK\mingw\bin\mingw32-make.exe"退出，退出代码 2 。构建项目testcam 时发生错误 (目标: 桌面)当执行构建步骤 'Make'时