libxkbcommon-dev does not provide libxkbcommon.a starting from 3.10
According to https://pkgs.alpinelinux.org/contents?file=libxkbcommon\*.a&path=&name=&branch=v3.9
The last version where static lib was provided is 3.9
It is missing in 3.10, so no more possible to build static apps
(from redmine: issue id 10663, created on 2019-07-08)