[Lazarus] Version information under Linux

[Torsten Bonde Christiansen]

I want to create a package from my 
lazarus/examples/dockmanager/easytree/ project, containing the 
EasyDockSite docking manager. Creating the package is no problem, it 
compiles without problems, and as a runtime-only package with no visual 
components it needs no installation. But I could not yet use it in 
another project. The splitted EasyDocking project reports problems with 
multiple ppu/o files, other projects cannot find the unit files.

After some tries and assistance from the chat I've moved the package 
source files into a new directory dockmanager/package. Is that okay?

Next question: where to place the package project, into the dockmanager/ 
or dockmanager/package directory?

With the project in dockmanager/, adding files resulted in a dialog "New 
unit not in unitpath", suggesting "Add package/ to UnitPath". Of course 
the path should be added?
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BTW: this dialog appears on the wrong monitor, not the one with the 
Package dialog :-(
The same for "File not found" while loading a project.

The "Add to project" dialog has an CANCEL button with 
Caption="CancelDependButton".
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The remaining problems seem to be related to the package pathes. The 
"Package Options" dialog shows Unit = "$(PkgOutDir)". What's 
"PkgOutDir", and what's "PkgDir" found somewhere else? It looks as if 
the Compiler Options -> Paths defines PkgOutDir as -FU, relative to the 
package project file?

After some opening and closing of dialogs, the Unit entry has changed to 
"$(PkgOutDir)/", the added trailing "/" seems to be more consistent with 
other package settings?

Should I check "Add package unit to uses section" - what's the purpose 
or benefit of this option?

After I created the package during above steps, and updated the original 
sample project to use the new package, everything worked fine on Linux. 
Not so on Windows :-(
[I'll retry and report later]

DoDi