Cannot open D:\Qt\Qt5.9.9\5.9.9\mingw53_32_static\lib\libQt5Core.prl: No such file or directory at D:/MSYS/build/qtwebkit-5.212.0-alpha2/Tools/qt/convert-prl-libs-to-cmake.pl line 57.
错误原因: Qt5 静态编译后lib目录下的实际名字是 Qt5Core.prl, 不是 libQt5Core.prl；
解决方法: 把Qt5Core.prl文件拷贝到libQt5Core.prl；
copy Qt5Core.prl         libQt5Core.prl
copy Qt5Gui.prl          libQt5Gui.prl
copy Qt5Network.prl      libQt5Network.prl
copy Qt5Widgets.prl      libQt5Widgets.prl
copy Qt5Positioning.prl  libQt5Positioning.prl
copy Qt5Sensors.prl      libQt5Sensors.prl
copy Qt5PrintSupport.prl libQt5PrintSupport.prl
copy Qt5Quick.prl        libQt5Quick.prl
copy Qt5WebChannel.prl   libQt5WebChannel.prl
copy Qt5OpenGL.prl       libQt5OpenGL.prl