MFC r323275, r324112

r323275:
Add basic tests for chflags, mkdir, rcp, and rmdir

Add basic command line parsing test coverage for these utilities. The tests
were automatically generated based on their man pages. These tests can be
expanded by hand for more thorough coverage. The aim is to generate very
basic amount of test coverage for all the utilities in the base system.

Submitted by: shivansh
Reviewed by: asomers, brooks
Sponsored by: Google, Inc (GSoC 2017)
Differential Revision: https://reviews.freebsd.org/D12036

r324112:
Fix Makefile entries from r323275

Reported by: Vladimir Zakharov <zakharov.vv@gmail.com>
Reviewed by: ngie
X-MFC-With: 323275

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

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

Merge the projects/release-pkg branch to head.

This allows packaging the base system with pkg(8), including
but not limited to providing the ability to provide upstream
binary update possibilities for non-tier-1 architectures.

This merge is a requirement of the 11.0-RELEASE, and as such,
thank you to everyone that has tested the project branch.

Documentation in build(7) etc. is still somewhat sparse, but
updates to those parts will follow.

Sponsored by: The FreeBSD Foundation

Remove WARNS?= 6 from Makefile, since it is already in src/bin/Makefile.inc

Requested by: ru
Approved by: grehan (mentor)

- The first argument of getmode() is a void *
- Add WARNS?= 6

Approved by: stefanf, grehan (mentor)
Obtained from: DragonFlyBSD

Default to WARNS=2. Binary builds that cannot handle this must explicitly
set WARNS=0.

Reviewed by: mike

Set WARNS=2 on programs which compile cleanly.

Submitted by: Mike Barcroft <mike@q9media.com>

$Id$ -> $FreeBSD$

Revert $FreeBSD$ to $Id$

Make the long-awaited change from $Id$ to $FreeBSD$

This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.

Added $Id$

This commit was generated by cvs2svn to compensate for changes in r1556,
which included commits to RCS files with non-trunk default branches.

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