回帖：fsu0413:这样，你在你解压出来的环境里搜一下下面的正则看看输出是什么样的
’mingw-w64[\\\/]7\.3\.0‘ （不包含引号） (2021-12-12 07:37) 
使用findstr 命令行，查找，发现很多文件都有的。

D:\ProgramFiles\Qt\Qt5.12.12-Windows-x86-MinGW7.3.0-staticFull>findstr /I /M /S "mingw-w64[\\\/]7\.3\.0" *.*
config.log
lib\libEGL.prl
lib\libGLESv2.prl
lib\pkgconfig\Qt53DAnimation.pc
lib\pkgconfig\Qt53DCore.pc
lib\pkgconfig\Qt53DExtras.pc
lib\pkgconfig\Qt53DInput.pc
lib\pkgconfig\Qt53DLogic.pc
lib\pkgconfig\Qt53DQuick.pc
lib\pkgconfig\Qt53DQuickAnimation.pc
lib\pkgconfig\Qt53DQuickExtras.pc
lib\pkgconfig\Qt53DQuickInput.pc
lib\pkgconfig\Qt53DQuickRender.pc
lib\pkgconfig\Qt53DQuickScene2D.pc
lib\pkgconfig\Qt53DRender.pc
lib\pkgconfig\Qt5AxBase.pc
lib\pkgconfig\Qt5AxContainer.pc
lib\pkgconfig\Qt5AxServer.pc
lib\pkgconfig\Qt5Charts.pc
lib\pkgconfig\Qt5DataVisualization.pc
lib\pkgconfig\Qt5Designer.pc
lib\pkgconfig\Qt5Gamepad.pc
lib\pkgconfig\Qt5Gui.pc
lib\pkgconfig\Qt5Help.pc
lib\pkgconfig\Qt5Location.pc
lib\pkgconfig\Qt5Multimedia.pc
lib\pkgconfig\Qt5MultimediaWidgets.pc
lib\pkgconfig\Qt5OpenGL.pc
lib\pkgconfig\Qt5OpenGLExtensions.pc
lib\pkgconfig\Qt5PositioningQuick.pc
lib\pkgconfig\Qt5PrintSupport.pc
lib\pkgconfig\Qt5Quick.pc
lib\pkgconfig\Qt5QuickControls2.pc
lib\pkgconfig\Qt5QuickTemplates2.pc
lib\pkgconfig\Qt5QuickTest.pc
lib\pkgconfig\Qt5QuickWidgets.pc
lib\pkgconfig\Qt5ScriptTools.pc
lib\pkgconfig\Qt5Svg.pc
lib\pkgconfig\Qt5UiTools.pc
lib\pkgconfig\Qt5VirtualKeyboard.pc
lib\pkgconfig\Qt5WebView.pc
lib\pkgconfig\Qt5Widgets.pc
lib\pkgconfig\Qt5WinExtras.pc
lib\qmapboxgl.prl
lib\Qt53DAnimation.prl
lib\Qt53DCore.prl
lib\Qt53DExtras.prl
lib\Qt53DInput.prl
lib\Qt53DLogic.prl
lib\Qt53DQuick.prl
lib\Qt53DQuickAnimation.prl
lib\Qt53DQuickExtras.prl
lib\Qt53DQuickInput.prl
lib\Qt53DQuickRender.prl
lib\Qt53DQuickScene2D.prl
lib\Qt53DRender.prl
lib\Qt5AccessibilitySupport.prl
lib\Qt5AxBase.prl
lib\Qt5AxContainer.prl
lib\Qt5AxServer.prl
lib\Qt5Charts.prl
lib\Qt5DataVisualization.prl
lib\Qt5Designer.prl
lib\Qt5DesignerComponents.prl
lib\Qt5EglSupport.prl
lib\Qt5EventDispatcherSupport.prl
lib\Qt5FbSupport.prl
lib\Qt5FontDatabaseSupport.prl
lib\Qt5Gamepad.prl
lib\Qt5Gui.prl
lib\Qt5Help.prl
lib\Qt5Location.prl
lib\Qt5Multimedia.prl
lib\Qt5MultimediaQuick.prl
lib\Qt5MultimediaWidgets.prl
lib\Qt5OpenGL.prl
lib\Qt5OpenGLExtensions.prl
lib\Qt5PlatformCompositorSupport.prl
lib\Qt5PositioningQuick.prl
lib\Qt5PrintSupport.prl
lib\Qt5Quick.prl
lib\Qt5QuickControls2.prl
lib\Qt5QuickParticles.prl
lib\Qt5QuickShapes.prl
lib\Qt5QuickTemplates2.prl
lib\Qt5QuickTest.prl
lib\Qt5QuickWidgets.prl
lib\Qt5ScriptTools.prl
lib\Qt5Svg.prl
lib\Qt5ThemeSupport.prl
lib\Qt5UiTools.prl
lib\Qt5VirtualKeyboard.prl
lib\Qt5WebView.prl
lib\Qt5Widgets.prl
lib\Qt5WindowsUIAutomationSupport.prl
lib\Qt5WinExtras.prl
plugins\audio\qtaudio_windows.prl
plugins\gamepads\xinputgamepad.prl
plugins\generic\qtuiotouchplugin.prl
plugins\geometryloaders\defaultgeometryloader.prl
plugins\geometryloaders\gltfgeometryloader.prl
plugins\geoservices\qtgeoservices_esri.prl
plugins\geoservices\qtgeoservices_itemsoverlay.prl
plugins\geoservices\qtgeoservices_mapbox.prl
plugins\geoservices\qtgeoservices_mapboxgl.prl
plugins\geoservices\qtgeoservices_nokia.prl
plugins\geoservices\qtgeoservices_osm.prl
plugins\iconengines\qsvgicon.prl
plugins\imageformats\qgif.prl
plugins\imageformats\qicns.prl
plugins\imageformats\qico.prl
plugins\imageformats\qjpeg.prl
plugins\imageformats\qsvg.prl
plugins\imageformats\qtga.prl
plugins\imagefo