Linux Mastering Development Ubuntu

Can’t install libqt4-dev on Focal – “Package not available” despite appearing in launchpad

I’m trying to get Geant4 up and running, and one of the required dependencies is to have libqt4-dev. Despite the fact that it appears in launchpad (link), I keep on getting the following error: Package libqt4-dev is not available, but is referred to by another package. This may mean that the package is missing, has […]