Statically build snapclient

[alexberdnik]

Is your feature request related to a problem? Please describe. I'm trying to use snapcast client on outdated linux disto without proper build tools (amazon echo gen 1 speaker, kernel 2.6, armv7). However I can't run armv7 builds as the disto lacks lots of shared libraries. I tried to build the client statically and failed due to limited knowledge in cmake builds.

Describe the solution you'd like Statically linked snapcast client for armv7 platform and/or building instructions.

Describe alternatives you've considered It would be nice to run modern linux on the speaker (say archlinux arm). But I'll lose some functionality of the speaker.

Additional context As example of other statically built tools, static curl runs perfectly fine on the speaker: https://code.moparisthebest.com/moparisthebest/static-curl

[SantiagoSotoC]

This would be great, it would allow us to include snapcast in music assistant, my attempts were unsuccessful, my experience with cmake is very limited.