I have successfully built Lazarus 2.0.12 with fpc 3.2.2 on an Ubuntu 20.04.3 machine running the Cinnamon desktop.

I have noted this problem:

The desktop file is not recognized by Ubuntu so it shows in the main menu. I have created it here:
$HOME/.local/share/applications/lazarus_2.0.12.desktop

If I copy the desktop file to $HOME/Desktop then it appears on the screen and I can start it.
But I want it on the menu....

The content is this (newsreader wraps long lines so Exec= is wrapped):

[Desktop Entry]
Comment=Lazarus IDE 2.0.12
Terminal=false
Name=Lazarus 2.0.12
Exec=/home/bosse/devel/lazarus/2.0.12/startlazarus --pcp=/home/bosse/.lazarus_2.0.12 %f
Type=Application
Icon=/home/bosse/devel/lazarus/2.0.12/images/ide_icon48x48.png Categories=Application;IDE;Development;GTK;GUIDesigner;Programming; NoDisplay=false
Keywords=editor;Pascal;IDE;FreePascal;fpc;Design;Designer;

Does Ubuntu with Cinnamon place the files in another location?

Please search the following phrase in Google :

adding an entry into cinnamon main menu

For example :

https://askubuntu.com/questions/232053/how-to-add-a-shortcut-to-a-command-to-the-cinnamon-menu How to add a shortcut to a command to the Cinnamon menu?

and some of the other search results .

With my best regards ,

Mehmet Erol Sanliturk

On Tue, Nov 23, 2021 at 12:36 AM Bo Berglund via lazarus <

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Mehmet Erol Sanliturk wrote

Please search the following phrase in Google : adding an entry into cinnamon main menu

OK, I have installed Lazarus on many systems before and all of these (both Raspberry Pi and PC Linux had the user desktop files located where I put this one, i.e. inside $HOME.

Apparently not so with Ubuntu Cinnamon....

Copied it over to /usr/share/applications/ and then it worked as expected.