xfway: added support for alt-tab switcher

[adlo]

> On 27 Aug 2022, at 15:57, Gaël Bonithon <trash.paradise at protonmail.com> wrote:
> 
> 
>> 
>> I don't know meson very well, but with autotools this kind of configuration is not a problem (as long as the right package is found at configure time).
> 
> Sorry I was wrong, it's the same with autotools, I just had the problem while tinkering with wlroots and a panel install in /usr/local.
> I can restrict the search via C_INCLUDE_PATH=/usr/include in both cases, but it's probably not always possible to remove the ambiguity so easily.

Maybe I've seen some people put a maximum version in their meson.build. Maybe that's one way of resolving it?

Regards
adlo