https://bugs.kde.org/show_bug.cgi?id=406766

--- Comment #2 from Marcus Menzel <flarel...@gmx.de> ---
Dear Alexander,

thank you for your fast reply.

(In reply to Alexander Semke from comment #1)
> LabPlot has to be compiled with the support for Cantor. In addition to this,
> the required CAS has to be installed. Do you have Maxima installed on your
> computer?
I run KDE Neon (18.04) with the latest maxima 5.42.0 under SBCL 1-4-12
(wxmaxima GUI) as well as the cantor 19.04.0 (kde neon version) and all dev
packages that seem appropriate.
I tried to compile the GIT version  
   git clone git://anongit.kde.org/labplot

All packages worked for me, except the two following ones:
-- MQTT Library NOT FOUND
-- Cantor Library NOT FOUND

MQTT isn#t important for me (even so the libs are installed ?)
Cantor looks like a problem from the KDE Neon package, because
--8<-------------------------------------
cantor/bionic,now 4:19.04.0-0xneon+18.04+bionic+build26 amd64  [installiert]
cantor-backend-kalgebra/bionic,now 4:19.04.0-0xneon+18.04+bionic+build26 amd64 
[installiert]
cantor-backend-lua/bionic,now 4:19.04.0-0xneon+18.04+bionic+build26 amd64 
[installiert]
cantor-backend-maxima/bionic 4:17.12.3-0ubuntu1 i386
cantor-backend-octave/bionic,now 4:19.04.0-0xneon+18.04+bionic+build26 amd64 
[installiert]
cantor-backend-python3/bionic,now 4:19.04.0-0xneon+18.04+bionic+build26 amd64 
[installiert]
cantor-backend-qalculate/bionic,now 4:19.04.0-0xneon+18.04+bionic+build26 amd64
 [Installiert,automatisch]
cantor-backend-r/bionic,now 4:19.04.0-0xneon+18.04+bionic+build26 amd64 
[installiert]
cantor-backend-scilab/bionic,now 4:19.04.0-0xneon+18.04+bionic+build26 amd64 
[installiert]
cantor-dev/bionic 4:18.12.3-0xneon+18.04+bionic+build23 amd64   <<<<<<<<<<!!
libcantor-pythonbackend/bionic,now 4:19.04.0-0xneon+18.04+bionic+build26 amd64 
[Installiert,automatisch]
-----8<---------------------------------------------------
The package source has the 19.04 version installed, but offers only 18.12.3 as
the dev symbols :-(

I don't know if some knows the right person / list for mentioning the issue ?


> Having read about the flatpack... If you have everything installed via
> flatpack you can run into the same problem as reported here
> https://bugs.kde.org/show_bug.cgi?id=406684
> https://github.com/flatpak/flatpak/issues/2846
> 
> If I understand the problem correctly, this is because the files from
> different containers are not visible outside of the containers. With this,
> maxima's executable cannot be found on start and we don't allow to create
> maxima worksheets.

Too bad I didn't know that, here the new package world makes life hard again.
otherwise flatpak work good, but I prefer appimages ;-) (don't know if there is
the same problem hidden ...)

best regards,
Marcus Menzel

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