www.makemkv.com

What do you see if you run "ls -l /usr/lib/x86_64-linux-gnu/libQt5Core.so*"? I tried a build on an old Linux Mint laptop I upgraded to Mint 21.1, and it went completely normally. There was no libQt5Core.so in that folder so I ended up creating a new soft link: sudo ln -s libQt5Core.so.5.1...

It would seem whatever package libQt5Core.so is in, you haven't installed it. If you run "dpkg -l | grep qtbase5", what does it say? Agree with that thinking, output: ii qtbase5-dev:amd64 5.15.3+dfsg-2ubuntu0.2 ii qtbase5-dev-tools 5.15.3+dfsg-2ubuntu0.2 I ran across a a posting elsewhere...

OS Distro: Linux Mint 21.1 Vera base: Ubuntu 22.04 jammy Compiled per directions that have worked in the past, when I was on Mint 20. I updated my system to Mint 21 and now can not build makemkv-oss-1.17.2 (nor would the previously built makemkv work). I had to build ffmpeg per the directions. After...