Run $(TOOL_CTAGS) instead of ctags: sometimes it's better than the host's
native ctags, and it's nice to have consistent ctags from one host to another.

In the tags target, move x86 sources above xen includes, for more
helpful tags.

Add to tags some assembly files in common/.

Fix target 'tags'.

Simplify tags target to reduce diffs with amd64/Makefile tags target.

Compute tags for sys/external/intel-public/acpica/dist/ instead of
for sys/dist/acpica/.

For the 'tags' target, use the right path to the Atheros HAL sources.

Compute tags over the ACPI sources.

Use ${TOOL_SED} instead if plain sed in Makefiles.

Run ctags(1) on some of the ACPI files.

Install xenio.h and xenio3.h in /usr/include/xen, for the benefit
of xentools3.

XXX ignore those in Makefile.ioctl-c, they don't compile properly outside
of the Xen context and the ioctls from xenio

Install xenio.h and xenio3.h in /usr/include/xen, for the benefit
of xentools3.

XXX ignore those in Makefile.ioctl-c, they don't compile properly outside
of the Xen context and the ioctls from xenio.h conflicts with
soundcard.h

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Create tags for mca, too.

Produce tags for arch/i386/acpi/*.[ch], arch/i386/pnpbios/*.[ch].

Merge the ppcoea-renovation branch to HEAD.

This branch was a major cleanup and rototill of many of the various OEA
cpu based PPC ports that focused on sharing as much code as possible
between the v

Merge the ppcoea-renovation branch to HEAD.

This branch was a major cleanup and rototill of many of the various OEA
cpu based PPC ports that focused on sharing as much code as possible
between the various ports to eliminate near-identical copies of files in
every tree. Additionally there is a new PIC system that unifies the
interface to interrupt code for all different OEA ppc arches. The work
for this branch was done by a variety of people, too long to list here.

TODO:
bebox still needs work to complete the transition to -renovation.
ofppc still needs a bunch of work, which I will be looking at.
ev64260 still needs to be renovated
amigappc was not attempted.

NOTES:
pmppc was removed as an arch, and moved to a evbppc target.

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Fix 'tags' target: ${COMM} overflows the echo command line, so
use ${FINDCOMM} instead.

Improve the tags target for i386:

Update the Atheros HAL directories.

Don't compute tags for nonexistent assembly-language sources
in sys/arch/i386/isa/.

Don't echo the rm -f step.

Add tags from sys/arch/x86/ to the i386 tags file.

merge ktrace-lwp.

Resolve conflicts in importation of 18-May-2005 ath(4) / net80211(9)
from FreeBSD. Introduce compatibility shims (sys/dev/ic/ath_netbsd.[ch],
sys/net80211/ieee80211_netbsd.[ch]). Update drivers (an

Resolve conflicts in importation of 18-May-2005 ath(4) / net80211(9)
from FreeBSD. Introduce compatibility shims (sys/dev/ic/ath_netbsd.[ch],
sys/net80211/ieee80211_netbsd.[ch]). Update drivers (an, atu, atw,
awi, ipw, iwi, rtw, wi) for the new net80211(9) API.

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Write tab-separated records to 'tags' file. A popular vi-alike,
vim, expects for the columns in tags files to be tab-separated,
but these makefiles created space-separated records for the assembly
s

Write tab-separated records to 'tags' file. A popular vi-alike,
vim, expects for the columns in tags files to be tab-separated,
but these makefiles created space-separated records for the assembly
sources.

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Compute tags for `*.[sS]' instead of `*.s', only.

Make the tags: target create tags for the ath(4) HAL.

Adapt for i386/x86 change.

Rework how KERNOBJDIR functions; now it's always determined with
cd ${KERNSRCDIR}/${KERNARCHDIR}/compile && ${PRINTOBJDIR}
This is far simpler than the previous system, and more robust with
objdirs

Rework how KERNOBJDIR functions; now it's always determined with
cd ${KERNSRCDIR}/${KERNARCHDIR}/compile && ${PRINTOBJDIR}
This is far simpler than the previous system, and more robust with
objdirs built via BSDOBJDIR.

The previous method of finding KERNOBJDIR when using BSDOBJDIR by
referencing _SRC_TOP_OBJ_ from another directory was extremely
fragile due to the depth first tree walk by <bsd.subdir.mk>, and
the caching of _SRC_TOP_OBJ_ (with MAKEOVERRIDES) which would be
empty on the *first* pass to create fresh objdirs.

This change requires adding sys/arch/*/compile/Makefile to create
the objdir in that directory, and descending into arch/*/compile
from arch/*/Makefile. Remove the now-unnecessary .keep_me files
whilst here.

Per lengthy discussion with Andrew Brown.

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Remove gratuitous setting of SYSDIR;
it is set in sys/kern/Make.tags.inc