Hi all, I must add some more confusion to this issue.
I just had the opportunity to install a new OS from scratch and did (exactly) the following: * Install Ubuntu MATE 17.10 from DVD * sudo apt update * sudo apt upgrade * sudo apt install etckepper (definitely not related to all of this, but just for sake of completeness) * sudo apt install frescobaldi This gave me a *working* installation of Frescobaldi, including LilyPond 2.18.2 and both the PDF and the SVG viewer working properly After making the frescobaldi and python-ly Git repositories available (and installing Git itself) I could invoke frescobaldi directly wtih PYTHONPATH=$PYTHONPATH:/path/to/python-ly python3 /path/to/frescobaldi which gave me a working "development" version of Frescobaldi. I haven't yet figured out how to add a menu entry for the Git installation (it seems the package manager installation "shadows" the other one), but I have to state that I *did* successfully install Frescobaldi 3 on a clean Ubuntu 17.10 installation without *any* dependency problems. Urs 28. Dezember 2017 08:55, "Andrew Bernard" <andrew.bern...@gmail.com (mailto:%22Andrew%20Bernard%22%20<andrew.bern...@gmail.com>)> schrieb: Hello Urs and all, Following your excellent instructions on the dependenicies, always difficult to work out, especially when detail is missing, I am immediately presented with the same old core dump on startup, as per usual. I am using Ubuntu 17.10, kernel 4.13.0-21-generic (not that the kernel would make a difference!). Clearly there are deeper dependencies and issues at play here. I would not have imagined a python program could be so troublesome, and so difficult to understand and fix. I guess it is due to the complexity of the Qt ecosystem world. I remain stuck on Mint 18 for F&L at the moment therefore. Annoying, as all my other work is on Ubuntu 17. Andrew
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