Prepare for handling pkg state with files. So it requires having the
path defined before declaring targets. In addition, it cleans up the
old git-download target.
The OONF package is combining multiple ".a" file into a single archive. The
way it was being done involved creating and changing directories, unpacking
the original archives and repacking them into a combined one.
Theis has a couple of issues:
- It is untidy and wasteful.
- It breaks when thin archives are enabled, as a thin archive cannot be
unpacked.
This commit uses a MRI script to do the combining step. It works both with
and without thin archives and is cleaner overall.
An issue that remains to be soved is that make is calling itself to create the
archive, as the PARTIAL_ARCHIVES are not known before hand. This is hacky. It
can be solved but it is a subject for another PR.
