Download the QT online installer from qt.io
Perform a custom install and install:
- QT > QT 6.8.0 including all additional libraries
- QT > Developer and Designer Tools > LLVM-MinGW 17.xxx
- QT > Developer and Designer Tools > MinGW 13.xx
- QT > Developer and Designer Tools > CMake 3.xx
Install flex and bison from https://sourceforge.net/projects/winflexbison/files/latest/download
- in the folder c:\qt\Tools\win_flex_bison
- rename win_flex.exe to flex.exe
- rename win_bison.exe to bison.exe
In the folder C:\Qt\Tools\mingw1310_64\bin
- rename mingw32_make.exe to make.exe
Make sure that the following have been added to your path system environment variable:
- C:\Qt\6.8.0\mingw_64\bin
- C:\Qt\Tools\mingw1310_64\bin
- C:\Qt\Tools\win_flex_bison
From cmd in the basic256 folder:
- qmake basic256.pro -config debug
- make