Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Clean up hardcoded ar(1) flags in the tree to use the global ARFLAGS in
share/mk/sys.mk instead.

This is part of a medium term project to permit deterministic builds of
FreeBSD.

Submitted by: Erik Cederstrand <erik@cederstrand.dk>
Reviewed by: imp, toolchain@
Approved by: cperciva
MFC after: 2 weeks

upgrade gperf to the last GPLv2 version (3.0.3)

Reviewed by: cognet
Approved by: cognet

This commit was generated by cvs2svn to compensate for changes in r58551,
which included commits to RCS files with non-trunk default branches.

Virgin import of gperf v2.7