I'm using Trusty and trying to upgrade Musescore 1.3 to Musescore 2.0. Version 2 is available in a PPA: https://launchpad.net/~mscore-ubuntu.../mscore-stable . Unfortunately, the new version will not install, and encounters a version conflict with libqt.
sudo apt-get update
sudo apt-get upgrade gets me:
The following packages have been kept back:
libqt5core5a libqt5dbus5 libqt5gui5 libqt5network5 libqt5opengl5
etc. (about 20-25 packages altogether).
It turns out that Musescore 2 requires at least version 5.3 of libqt5, while I have 5.2.1. Even if I compile it myself, it still requires 5.3. According to Synaptic, libqt5 was installed by the previous Musescore PPA, so maybe I could just uninstall all those packages or force update them to 5.3.
BUT there's a big problem. If I try to update libqt5core5 manually with Synaptic, it wants to remove packages such as ubuntu-desktop, and many others! Somehow this doesn't seem safe.
So, just what do I do? Is there a way to run Musescore 2 on this computer, with the required libqt5 version 5.3? Or will it destroy the desktop if I try? There's more discussion here: https://musescore.org/en/node/74041 . I have also contacted the package maintainers, but have not received a reply.
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