This merge request contains some preparatory changes to later add support for cross-compilation to mingw:
- A fix for
pkg-config-static.shto make it work on Ubuntu 20.04 (which I will probably chose as the build OS because it has a native package for
- Refactoring to prepare the infrastructure for more customizations needed for cross-compilation.
- The start of an Ansible playbook for Ubuntu 20.04 (and a small fix for CentOS 7, while at it).