Add deprecation notices for various device drivers removed in 12.0.

This is a direct commit to stable/11 since these files have already
been removed in head.

Reviewed by: sbruno, gjb
Differential Revision: https://reviews.freebsd.org/D11542

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

META_MODE: Remove DEP_MACHINE from Makefile.depend files.

This has not been needed since r246865 in projects/bmake.

Sponsored by: EMC / Isilon Storage Division

META_MODE: Remove DEP_RELDIR from Makefile.depend files.

This has not been needed since r284171 in projects/bmake.

Sponsored by: EMC / Isilon Storage Division

Add META_MODE support.

Off by default, build behaves normally.
WITH_META_MODE we get auto objdir creation, the ability to
start build from anywhere in the tree.

Still need to add real targets under targets/ to build packages.

Differential Revision: D2796
Reviewed by: brooks imp

mdoc: correct .Bd/.Bl arguments.

Reviewed by: brueffer

mdoc: sort prologue macros.

The last big commit: let usr.sbin/ use WARNS=6 by default.

Mechanically kill hard sentence breaks.

This is i386-only.

The .Nm utility

mdoc(7) police: join split punctuation to macro calls.

Perform a major cleanup of the usr.sbin Makefiles.
These are not perfectly in agreement with each other style-wise, but they
are orders of orders of magnitude more consistent style-wise than before.

Remove GCC'isms in CFLAGS.

Remove whitespace at EOL.

Spelling fix ("independantly" -> "independently")

PR: 25648
Submitted by: Jens Schweikhardt <schweikh@schweikhardt.net>

Fix typos and modify obscure wording

MFC after: 5

- Backout botched attempt to introduce MANSECT feature.
- MAN[1-9] -> MAN.

Set the default manual section for usr.sbin/ to 8.

mdoc(7) police: add missing .Ed call.

Prepare for mdoc(7)NG.

mdoc(7) police: use canonical form of .Dd macro.

compatability -> compatibility

PR: 23114
Submitted by: Jimmy Olgeni <olgeni@uli.it>

mdoc(7) police: use the new features of the Nm macro.

Remove extra #include that was inadvertently added in previous commit.

Fix breakage caused by ether_aton() prototype change.

PR: bin/20033

Use .Xr for references.

Add $FreeBSD$ lines to man pages that are missing them to make it
easier for translation teams.

PR: docs/13418
Submitted by: Alexey Zelkin <phantom@cris.net>

$Id$ -> $FreeBSD$

Typo curnwid -> currnwid
Submitted by: Randy Bush <rbush@bainbridge.verio.net>

Removed most unused includes of <net/if_var.h> outside the kernel.

Cosmetic in err() strings.

Sort cross refereces in section SEE ALSO.

Now that this has been merged over to RELENG_2_2 remove
the #if FreeBSD >= 3 wart I added while debugging.

Add #if __FreeBSD__ >= 3 around #include <net/if_var.h> so that this
can compile under both FreeBSD 2.x and 3.x.

Update wlconfig to match new Wavelan (wl) driver.
Submitted by: Jim Binkley <jrb@cs.pdx.edu>

Make it build under 3.x
Submitted by: fsmp

This commit was generated by cvs2svn to compensate for changes in r26005,
which included commits to RCS files with non-trunk default branches.