用MinGW编译opencv时出错解决办法:(gcc 7.1.0 and cmake 3.9.0)->出错提示: windres.exe: unknown option -- W
环境Windows7x64按照网上的教程安装qt和opencv的过程中,对opencv-3.4.0源码进行编译时,出现如下错误>make[2%]Builttargetzlib[5%]Builttargetlibtiff[8%]Builttargetlibjpeg[16%]Builttargetlibwebp[19%]Builttargetlibjasper[20%]Builttargetlibpn