22:02:54: Running build steps for project Test...
22:02:54: Configuration unchanged, skipping qmake step.
22:02:54: Starting: "C:\QtSDK\mingw\bin\mingw32-make.exe"
c:\qtsdk\desktop\qt\4.7.4\mingw\bin\qmake.exe -spec ..\..\..\QtSDK\Desktop\Qt\4.7.4\mingw\mkspecs\win32-g++ -o Makefile ..\Test\Test.pro
C:/QtSDK/mingw/bin/mingw32-make.exe -f Makefile.Debug
mingw32-make.exe[1]: Entering directory `C:/Test/TestProj/Test-build-desktop-Qt_4_7_4_for_Desktop_-_MinGW_4_4__Qt_SDK__Debug'
g++ -mthreads -Wl,-subsystem,windows -o debug\Test.exe debug/main.o debug/mainwindow.o debug/moc_mainwindow.o  -L"c:\QtSDK\Desktop\Qt\4.7.4\mingw\lib" -lmingw32 -lqtmaind -LC:/Test/TestProj/Test/../codecs/lib/ -lavformat -lQtGuid4 -lQtCored4 -LC:\OpenSSL-Win32_full\lib
mingw32-make.exe[1]: Leaving directory `C:/Test/TestProj/Test-build-desktop-Qt_4_7_4_for_Desktop_-_MinGW_4_4__Qt_SDK__Debug'
debug/main.o: In function `Z5qMainiPPc':
C:\Test\TestProj\Test-build-desktop-Qt_4_7_4_for_Desktop_-_MinGW_4_4__Qt_SDK__Debug/../Test/main.cpp:7: undefined reference to `av_register_all()'
collect2: ld returned 1 exit status
mingw32-make.exe[1]: *** [debug\Test.exe] Error 1
mingw32-make.exe: *** [debug] Error 2
22:02:55: The process "C:\QtSDK\mingw\bin\mingw32-make.exe" exited with code 2.
Error while building project Test (target: Desktop)
When executing build step 'Make'