On Tue, 26 May 2020, Ayoub Zaki via lists.yoctoproject.org wrote:

> Hi,

> I would like to make changes on systemd.bblcass in my layer. 
>
> I can create new one e.g my-systemd.bbclass to overwrite the default
> one but this will not work since I want that ALL recipes in all
> layers I'm using to make usage of it.
>
> are there ways to achieve this?

  aside from whether there is a good way to do this, this seems to be
a really bad idea since recipes that inherit what they *think* is the
systemd class file will be getting something different; that's just
inviting all sorts of unintended bugs.

rday