The source project of this merge request has been removed.
Respect `--sysconfdir` in source files
- Prefix installations need to point to a non-root
etc- Gentoo Prefix has been patching this for over 10 years: https://bugs.gentoo.org/317891
- MacPorts has to manually replace paths after patching: https://github.com/macports/macports-ports/blob/cc3bb736e906abe73b014da02a89ae2b70ef6295/textproc/libxml2/Portfile#L46