Qt Install Windows vs 2019

[bmorgan]

If you installed Qt from their installers, then I’d suspect this is the same issue as reported here:

Error using Qt in window

Hello, I am using window 10,geant4_10_06_p02, visual studio 2019 and cmake-3.18.0 When I give these commends: - cmake -DGEANT4_INSTALL_DATA=ON . cmake -DGEANT4_USE_OPENGL_WIN32=ON . cmake -DGEANT4_USE_QT=ON . then everything is ok. It gives output like this [Capture] Then I gives cmake --build . --config Release this commend then I got error Error.txt (1.8 KB) Please tell me what I am missing. Any suggestions will be appreciable. Best Kajal

The first thing to check is the values for the Qt5... CMake cache values as shown in

Error using Qt in window

I think CMake is finding the wrong install root for Qt. The key lines in the CMakeCache.txt are: //The directory containing a CMake configuration file for Qt5Core. Qt5Core_DIR:PATH=C:/Qt/5.15.0/mingw81_64/lib/cmake/Qt5Core //The directory containing a CMake configuration file for Qt5Gui. Qt5Gui_DIR:PATH=C:/Qt/5.15.0/mingw81_64/lib/cmake/Qt5Gui //The directory containing a CMake configuration file for Qt5OpenGL. Qt5OpenGL_DIR:PATH=C:/Qt/5.15.0/mingw81_64/lib/cmake/Qt5OpenGL //The directory co…

and that the “platform” part (the directory after C:/Qt/<version>/) is correct for your system. In general, this should be vs2019_64 for standard installs.