Notably, this adds the Requires.private required for proper static linkage of Lix libraries. Some minor missing or duplicated dependencies are also fixed along the way (although some optional dependencies are omitted due to their size). Fixes: https://git.lix.systems/lix-project/lix/issues/789 Change-Id: I6a6a696413d538124d9ac75c68f100cc3089284f