On Wed, Feb 12, 2020 at 01:58:40PM +0100, Bartosz Golaszewski wrote: > one more thing that's unclear to me: I found this post[1] on the eigen > mailing list and started wondering: what makes MPL2 better than LGPL3? ... > [1] https://listengine.tuxfamily.org/lists.tuxfamily.org/eigen/2008/02/msg00003.html Thank you for pointing me to this. I mostly looked at the LGPL-2.1 and overlooked the fact that libgpiod already uses the "later version" language permitting use of LGPL-3. Indeed, the situation is much better for LGPL-3 due to precisely the paragraphs referenced in that mail. Thank you Helmut