Remove residual blank line at start of Makefile

This is a residual of the $FreeBSD$ removal.

MFC After: 3 days (though I'll just run the command on the branches)
Sponsored by: Netflix

usr.bin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a pe

usr.bin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

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Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

pkgbase: Put accounting utilities in the acct package

Only set WARNS if not defined

This would allow interested parties to do experimental runs with an
environment set appropriately to raise all the warnings throughout the
build; e.g. env WARNS=6 NO_WE

Only set WARNS if not defined

This would allow interested parties to do experimental runs with an
environment set appropriately to raise all the warnings throughout the
build; e.g. env WARNS=6 NO_WERROR=yes buildworld.

Not currently touching the numerous instances in ^/tools.

MFC after: 1 week

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IFC @r269962

Submitted by: Anish Gupta (akgupt3@gmail.com)

Merge head from 7/28

Sync to HEAD@r269943.

Unbreak the build by re-enabling exceptions.

Disabling them breaks build on archs using GCC. The problem is at line 156 of
bits/basic_ios.h:

if (this->exceptions() & __state)
__throw_exception_a

Unbreak the build by re-enabling exceptions.

Disabling them breaks build on archs using GCC. The problem is at line 156 of
bits/basic_ios.h:

if (this->exceptions() & __state)
__throw_exception_again;

With exceptions disabled __throw_exception_again is defined as

#define __throw_exception_again

at line 45 of exception_defines.h and the code results in an empty loop body,
which fails because of -Werror.

Approved by: cognet

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Turn off exceptions and rtti when building the c++ version of users.
Neither is used in the program and this saves us 10KB (around 40%) in binary
size.

Reimplements users(1) in C++.

This reduces the lines of code by roughly 50% (not counting the COPYRIGHT
header) and makes it more readable by using standard algorithms.

Approved by: bapt

Perform all trivial ports to utmpx for usr.bin/.

They were already converted to use libulog, so it's easy to convert them
to utmpx.

Merge from head at r201628.

# This hasn't been tested, and there are at least three bad commits
# that need to be backed out before the branch will be stable again.

Build usr.bin/ with WARNS=6 by default.

Also add some missing $FreeBSD$ to keep svn happy.

Add WARNS?=6, because it seems to build out of the box.

Port users(1) to libulog.

Instead of digging through the utmp database by hand, use proper API
calls to do so. Instead of parsing entries with a non-empty ut_user, we
now look at LOGIN_PROCESS entr

Port users(1) to libulog.

Instead of digging through the utmp database by hand, use proper API
calls to do so. Instead of parsing entries with a non-empty ut_user, we
now look at LOGIN_PROCESS entries.

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WARNS=2 is going to become the default, so remove it from here.

Remove a bogus cast and lockdown users(1) with WARNS?=2

Submitted by: David Hill <david@phobia.ms>
Reviewed by: -audit
MFC after: 1 week

BSD 4.4 Lite Usr.bin Sources

Perform all trivial ports to utmpx for usr.bin/.

They were already converted to use libulog, so it's easy to convert them
to utmpx.

Merge from head at r201628.

# This hasn't been tested, and there are at least three bad commits
# that need to be backed out before the branch will be stable again.

Build usr.bin/ with WARNS=6 by default.

Also add some missing $FreeBSD$ to keep svn happy.

Add WARNS?=6, because it seems to build out of the box.

Port users(1) to libulog.

Instead of digging through the utmp database by hand, use proper API
calls to do so. Instead of parsing entries with a non-empty ut_user, we
now look at LOGIN_PROCESS entr

Port users(1) to libulog.

Instead of digging through the utmp database by hand, use proper API
calls to do so. Instead of parsing entries with a non-empty ut_user, we
now look at LOGIN_PROCESS entries.

show more ...

WARNS=2 is going to become the default, so remove it from here.