Can't upgrade LyX on Focal Fossa

Liviu Andronic landroni at
Wed Jul 22 15:34:25 UTC 2020

On 7/20/20, Jean-Marc Lasgouttes <lasgouttes at> wrote:
> I see this in boost 1/69 release notes:
> Signals (v1) is now removed. Its removal was announced in 1.68 and its
> deprecation was announced in 1.54. Boost 1.68 is the last release that
> provides this library. Users are encouraged to use Signals2 instead. The
> Boost community thanks Douglas Gregor for his work on Signals which
> served its users well and which also inspired Signals2.
> Actually, we have switched to Boost.Signals2 some time ago (in 2.3
> already), so that we do not need boost-signals-dev anymore. I would try
> with libboost-dev only as dependency.
Thanks a lot JMarc.

I've now uploaded a new build dropping the libboost-signals-dev
dependency, and it looks like it worked. Can someone with access to
Focal test if they can now install LyX from the PPA?

Thank you,

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