Drop setgid kmem, simplify nlist setup.

build vmstat as n64 on mips64. only kernel histories and hash stats
need to be fixed fot this to be reverted.

Work around gcc on sparc64 bug

Convert the remaining uvmexp users to the sysctl as default source.

Use vm.uvmexp data as much as possible for vmstat -s.
Temporarily disable shadowing warning until the other users are cleaned
up.

document that we are using non-literal string formats.

Default to -Wno-sign-compare -Wno-pointer-sign for clang.
Push -Wno-array-bounds down to the cases that depend on it.
Selectively disable warnings for 3rd party software or non-trivial
issues to be r

Default to -Wno-sign-compare -Wno-pointer-sign for clang.
Push -Wno-array-bounds down to the cases that depend on it.
Selectively disable warnings for 3rd party software or non-trivial
issues to be reviewed later to get clang -Werror to build most of the
tree.

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make this work with the per-cpu counters.

Enable WARNS=4 by default for usr.bin, except for:
awk bdes checknr compile_et error gss hxtool kgetcred kinit
klist ldd less lex locale login m4 man menuc mk_cmds
mklocale msgc

Enable WARNS=4 by default for usr.bin, except for:
awk bdes checknr compile_et error gss hxtool kgetcred kinit
klist ldd less lex locale login m4 man menuc mk_cmds
mklocale msgc openssl rpcgen rpcinfo sdiff spell ssh
string2key telnet tn3270 verify_krb5_conf xlint

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Add new Makefile knob, USE_FORT, which extends USE_SSP by turning on the
FORTIFY_SOURCE feature of libssp, thus checking the size of arguments to
various string and memory copy and set functions (as

Add new Makefile knob, USE_FORT, which extends USE_SSP by turning on the
FORTIFY_SOURCE feature of libssp, thus checking the size of arguments to
various string and memory copy and set functions (as well as a few system
calls and other miscellany) where known at function entry. RedHat has
evidently built all "core system packages" with this option for some time.

This option should be used at the top of Makefiles (or Makefile.inc where
this is used for subdirectories) but after any setting of LIB.

This is only useful for userland code, and cannot be used in libc or in
any code which includes the libc internals, because it overrides certain
libc functions with macros. Some effort has been made to make USE_FORT=yes
work correctly for a full-system build by having the bsd.sys.mk logic
disable the feature where it should not be used (libc, libssp iteself,
the kernel) but no attempt has been made to build the entire system with
USE_FORT and doing so will doubtless expose numerous bugs and misfeatures.

Adjust the system build so that all programs and libraries that are setuid,
directly handle network data (including serial comm data), perform
authentication, or appear likely to have (or have a history of having)
data-driven bugs (e.g. file(1)) are built with USE_FORT=yes by default,
with the exception of libc, which cannot use USE_FORT and thus uses
only USE_SSP by default. Tested on i386 with no ill results; USE_FORT=no
per-directory or in a system build will disable if desired.

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warns=4, pass lint.

support timecounters (struct time gone, use time_second then)

Update statistics reporting to use new kernel framework, rename dkstats*
to a more generic name since it no longer just deals with disk.

Add support for tape statistics.

WARNS=3

Move vmstat.8 to vmstat.1, since the program lives in /usr/bin now and is
not super-user-only.
Cf. short discussion on tech-userlevel.

the PMAP_NEW option is gone as the new interface is no longer optional.

completely remove Mach VM support. all that is left is the all the
header files as UVM still uses (most of) these.

add -DPMAP_NEW if PMAP_NEW is on in mk.conf

add -DUVM to CPPFLAGS if defined(UVM)

New userland code to read the statistics kept by the NetBSD generic
disk framework, from John M. Vinopal <banshee@gabriella.resort.com>

always add sys/arch to include path

Put back the -I/sys/arch.

specify man pages the new way.

If we don't -I/sys, then don't -I/sys/arch, either.