qt+mingw编译出错，提示undefined reference to `**@**'

[weixin_38051170]

D:\Test\Bidding\src/soap/stdsoap2.cpp:4844: undefined reference to `setsockopt@20'D:\Test\Bidding\src/soap/stdsoap2.cpp:4845: undefined reference to `WSAGetLastError@0'D:\Test\Bidding\src/soap/stdsoap2.cpp:4854: undefined reference to `ioctlsocket@12'D:\Test\Bidding\src/soap/stdsoap2.cpp:4856: undefined reference to `ioctlsocket@12'D:\Test\Bidding\src/soap/stdsoap2.cpp:4859: undefined reference to `WSAGetLastError@0'./objs\stdsoap2.o: In function `soap_cleanup':D:\Test\Bidding\src/soap/stdsoap2.cpp:4923: undefined reference to `WSACleanup@0'./objs\stdsoap2.o: In function `soap_send_fault':D:\Test\Bidding\src/soap/stdsoap2.cpp:15320: undefined reference to `recv@16'collect2: ld returned 1 exit statusmingw32-make[1]: *** [bin\BiddingAssistant.exe] Error 1mingw32-make: *** [release] Error 2The process "E:\Qt\mingw\bin\mingw32-make.exe" exited with code 2.Error while building project BiddingAssistant (target: Desktop)When executing build step 'Make' 使用qt + vc是能编译通过的，但是使用qtcreator时则提示以上问题。使用的是Qt SDK version 1.1.4

[weixin_38059644]

链上必要的库：-lWs2_32