[Lazarus] Adding Required Packages paths... dynamically

[Tony Whyman]

My understanding is that when you add a "required package" what actually 
happens is that the IDE adds the package unit paths to the list of unit 
paths for your project, and adds the top level .pas file for the package 
(which usually has the same name as the package) to the "uses" clause in 
your project source file. The latter may not happen if an option is set 
in the package itself.

The result is that the package files get linked into your project. 
However, if you make the top level .pas file find a conditional 
reference from the uses clause then the package files only get linked in 
when the conditional is true.

Of course you also must do the same for any other units from the package 
that you include in your own unit files i.e. make their use conditional 
as well.

On 19/07/2019 14:21, Marcos Douglas B. Santos via lazarus wrote:
> Maybe adding "dynamically" the Required Package, rather using
> "dynamically paths" by Conditionals, could fix this?
> But how to do this?
>
> Just to be more clear, I don't have any "Duplicate units" as compiler is saying!
> Thanks.
>
> regards,
> Marcos Douglas