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

Remove $FreeBSD$: one-line sh pattern

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

ipfilter userland: Path fixup no longer required

Since the move of ipfilter from contrib to sbin adjusting the source path
is no longer required.

Fixes: 41edb306f05651fcaf6c74f9e3557f59f80292e1
MF

ipfilter userland: Path fixup no longer required

Since the move of ipfilter from contrib to sbin adjusting the source path
is no longer required.

Fixes: 41edb306f05651fcaf6c74f9e3557f59f80292e1
MFC after: 1 month

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ipfilter: Move kernel bits to netpfil

Through fixes and improvements our ipfilter sources have diverged
enough to warrant move from contrib into sys/netpil. Now that I'm
planning on implementing MSS

ipfilter: Move kernel bits to netpfil

Through fixes and improvements our ipfilter sources have diverged
enough to warrant move from contrib into sys/netpil. Now that I'm
planning on implementing MSS clamping as in iptables it makes more
sense to move ipfilter to netpfil.

This is the first of three commits the ipfilter move.

Suggested by glebius on two occaions.

Suggested by and discussed with: glebius
Reviewed by: glebius, kp (for #network)
MFC after: 1 month
Differential Revision: https://reviews.freebsd.org/D33510

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sbin: normalize paths using SRCTOP-relative paths or :H when possible

This simplifies make logic/output

MFC after: 1 month
Sponsored by: Dell EMC Isilon

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 f

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

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Create packages for atm, ccdconfig, devd, ipf, ipfw,
iscsi, natd, nandfs, pf, quotacheck, and routed.

Add ping6 and rtsol to the runtime package.

Sponsored by: The FreeBSD Foundation

MFH r289384-r293170

Sponsored by: The FreeBSD Foundation

Catch up with head.

Remove redundant DPSRCS which were already in SRCS.

DPSRCS already contains all of SRCS.

MFC after: 1 week
Sponsored by: EMC / Isilon Storage Division

Merge from head

Sponsored by: Gandi.net

Merge from head

Sync up with head up to r289211.

Merge ^/head r288457 through r288830.

Remerge as previous one was broken

META_MODE: For some reason meta mode cannot generate the intermediate tab.c
files. Split up all of the targets to be more clear on how they are generated
to fix the problem.

MFC after: 2 weeks
Spon

META_MODE: For some reason meta mode cannot generate the intermediate tab.c
files. Split up all of the targets to be more clear on how they are generated
to fix the problem.

MFC after: 2 weeks
Sponsored by: EMC / Isilon Storage Division

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Merge from head@274682

IFC @r271694

IFC @r269962

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

Sync to HEAD@r270409.

Revert r267233 for now. PIE support needs to be reworked.

1. 50+% of NO_PIE use is fixed by adding -fPIC to INTERNALLIB and other
build-only utility libraries.
2. Another 40% is fixed by generati

Revert r267233 for now. PIE support needs to be reworked.

1. 50+% of NO_PIE use is fixed by adding -fPIC to INTERNALLIB and other
build-only utility libraries.
2. Another 40% is fixed by generating _pic.a variants of various libraries.
3. Some of the NO_PIE use is a bit absurd as it is disabling PIE (and ASLR)
where it never would work anyhow, such as csu or loader. This suggests
there may be better ways of adding support to the tree. Many of these
cases can be fixed such that -fPIE will work but there is really no
reason to have it in those cases.
4. Some of the uses are working around hacks done to some Makefiles that are
really building libraries but have been using bsd.prog.mk because the code
is cleaner. Had they been using bsd.lib.mk then NO_PIE would not have
been needed.

We likely do want to enable PIE by default (opt-out) for non-tree consumers
(such as ports). For in-tree though we probably want to only enable PIE
(opt-in) for common attack targets such as remote service daemons and setuid
utilities. This is also a great performance compromise since ASLR is expected
to reduce performance. As such it does not make sense to enable it in all
utilities such as ls(1) that have little benefit to having it enabled.

Reported by: kib

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Merge head from 7/28

In preparation for ASLR [1] support add WITH_PIE to support building with -fPIE.

This is currently an opt-in build flag. Once ASLR support is ready and stable
it should changed to opt-out and be ena

In preparation for ASLR [1] support add WITH_PIE to support building with -fPIE.

This is currently an opt-in build flag. Once ASLR support is ready and stable
it should changed to opt-out and be enabled by default along with ASLR.

Each application Makefile uses opt-out to ensure that ASLR will be enabled by
default in new directories when the system is compiled with PIE/ASLR. [2]

Mark known build failures as NO_PIE for now.

The only known runtime failure was rtld.

[1] http://www.bsdcan.org/2014/schedule/events/452.en.html
Submitted by: Shawn Webb <lattera@gmail.com>
Discussed between: des@ and Shawn Webb [2]

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Merge head r233826 through r256722.

IFC @256277

Approved by: ken (mentor)