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/

build: remove the option to build gnugrep

Unconditionally install bsdgrep as grep, bootstrap or not. Remove all
build glue and stop installing both gnugrep and libgnuregex now that
all consumers of

build: remove the option to build gnugrep

Unconditionally install bsdgrep as grep, bootstrap or not. Remove all
build glue and stop installing both gnugrep and libgnuregex now that
all consumers of the latter are gone.

Relnotes: yes
Differential Revision: https://reviews.freebsd.org/D27732

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Retire obsolete GDB 6.1.1

GDB 6.1.1 was released in June 2004 and is long obsolete. It does not
support all of the architectures that FreeBSD does, and imposes
limitations on the FreeBSD kernel buil

Retire obsolete GDB 6.1.1

GDB 6.1.1 was released in June 2004 and is long obsolete. It does not
support all of the architectures that FreeBSD does, and imposes
limitations on the FreeBSD kernel build, such as the continued use of
DWARF2 debugging information.

It was kept (in /usr/libexec/) only for use by crashinfo(8), which
extracts some basic information from a kernel core dump after a crash.
Crashinfo already prefers gdb from port/package if installed.

Future work may add kernel debug support to LLDB or find another path
for crashinfo's needs, but in any case we do not want to ship the
excessively outdated GDB in FreeBSD 13.

Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D27610

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Retire BINUTILS and BINUTILS_BOOTSTRAP options

As of r361857 all BINUTILS options are disabled by default - ports
have been changed to depend on binutils if they require GNU as, and
all base system

Retire BINUTILS and BINUTILS_BOOTSTRAP options

As of r361857 all BINUTILS options are disabled by default - ports
have been changed to depend on binutils if they require GNU as, and
all base system assembly files have been switched to use Clang's
integrated assembler.

Relnotes: Yes
Sponsored by: The FreeBSD Foundation

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Merge ^/head r358466 through r358677.

retire in-tree GPL dtc devicetree compiler

Now that we no longer have GCC 4.2.1 in the tree and can assume FreeBSD
is being built with a C++11 compiler available, we can use BSDL dtc
unconditionally

retire in-tree GPL dtc devicetree compiler

Now that we no longer have GCC 4.2.1 in the tree and can assume FreeBSD
is being built with a C++11 compiler available, we can use BSDL dtc
unconditionally and retire the GPL dtc.

GPL dtc now has FreeBSD CI support via Cirrus-CI to help ensure it
continues to build/work on FreeBSD and is available in the ports tree
if needed.

The copy of (copyfree licensed) libfdt that we actually use is in
sys/contrib/libfdt so the extra copy under contrib/dtc/libfdt can be
removed along with the rest of the GPL dtc.

Reviewed by: kevans, ian, imp, manu, theraven
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D23192

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Merge ^/head r358400 through r358465.

remove GCC 4.2.1 build infrastructure

As described in Warner's email message[1] to the FreeBSD-arch mailing
list we have reached GCC 4.2.1's retirement date. At this time all
supported architecture

remove GCC 4.2.1 build infrastructure

As described in Warner's email message[1] to the FreeBSD-arch mailing
list we have reached GCC 4.2.1's retirement date. At this time all
supported architectures either use in-tree Clang, or rely on external
toolchain (i.e., a contemporary GCC version from ports).

GCC 4.2.1 was released July 18, 2007 and was imported into FreeBSD later
that year, in r171825. GCC has served us well, but version 4.2.1 is
obsolete and not used by default on any architecture in FreeBSD. It
does not support modern C and does not support arm64 or RISC-V.

Thanks to everyone responsible for maintaining, updating, and testing
GCC in the FreeBSD base system over the years.

So long, and thanks for all the fish.

[1] https://lists.freebsd.org/pipermail/freebsd-arch/2020-January/019823.html

PR: 228919
Reviewed by: brooks, imp
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D23124

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MFHead@r345275

MFhead@r344996

Divorce MK_GDB from MK_BINUTILS.

This permits legacy GDB to still be built and installed if
WITHOUT_BINUTILS is set (e.g. if base/binutils is installed).

Reviewed by: emaste
MFC after: 2 weeks
Diff

Divorce MK_GDB from MK_BINUTILS.

This permits legacy GDB to still be built and installed if
WITHOUT_BINUTILS is set (e.g. if base/binutils is installed).

Reviewed by: emaste
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D19480

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Merge ^/head r319548 through r319778.

Remove groff from base

All manpages in base are now compatible with mandoc(1), all roff documentation
will be relocated in the doc tree. man(1) can now use groff from the ports tree
if it needs.

Al

Remove groff from base

All manpages in base are now compatible with mandoc(1), all roff documentation
will be relocated in the doc tree. man(1) can now use groff from the ports tree
if it needs.

Also remove checknr(1) and colcrt(1) which are only useful with groff.

Approved by: (no objections on the mailing lists)

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Merge ^/head r317216 through r317280.

Simplify gnu/usr.bin Makefile conditions

After r307655 MK_GDB is forced to no if MK_BINUTILS is no, and similarly
MK_GROFF is forced to no if MK_CXX is no, so we can remove nested
conditionals.

Rev

Simplify gnu/usr.bin Makefile conditions

After r307655 MK_GDB is forced to no if MK_BINUTILS is no, and similarly
MK_GROFF is forced to no if MK_CXX is no, so we can remove nested
conditionals.

Reviewed by: bapt, brooks
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D8287

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Merge ^/head r316992 through r317215.

Replace again GNU diff with BSD diff

After a firts failed attempt, BSD diff is now good enough to replace
GNU diff.

Relnotes: yes

Temporary readd GNU diff

etcupdate requires --change-group-format it is not easy to implement
in bsd diff so for now readd GNU diff

Fix SUBDIR_DEPEND for gdb on binutils after r307659.

Sponsored by: Dell EMC Isilon

Import diff from OpenBSD and remove GNU diff

Some of the modifications from the previous summer of code has been integrated
Modification for compatibility with GNU diff output has been added

Main d

Import diff from OpenBSD and remove GNU diff

Some of the modifications from the previous summer of code has been integrated
Modification for compatibility with GNU diff output has been added

Main difference with OpenBSD:
Implement multiple GNU diff options:
* --ignore-file-name-case
* --no-ignore-file-name-case
* --normal
* --tabsize
* --strip-trailing-cr
Make diff -p compatible with GNU diff
Implement diff -l
Make diff -r compatible with GNU diff

Capsicumize diffing 2 regular files
Add a simple test suite

Approved by: AsiaBSDcon devsummit
Obtained from: OpenBSD, GSoC
Relnotes: yes

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Merge ^/head r307383 through r307735.

Remove trailing whitespace from r307674

Add knobs to make GNU diff and GNU grep optional

This is added to facilitate experiments building FreeBSD without
copyleft software.

If WITHOUT_GNU_DIFF is set no /usr/bin/diff or /usr/bin/diff3 wi

Add knobs to make GNU diff and GNU grep optional

This is added to facilitate experiments building FreeBSD without
copyleft software.

If WITHOUT_GNU_DIFF is set no /usr/bin/diff or /usr/bin/diff3 will
be built.

If WITHOUT_GNU_GREP is set then BSD grep will be installed as
/usr/bin/bsdgrep or /usr/bin/grep, depending on the WITH_BSD_GREP
knob.

Reviewed by: brooks (earlier)
Sponsored by: The FreeBSD Foundation
Differential Revision: Differential Revision: https://reviews.freebsd.org/D8288

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Switch gnu/usr.bin/Makefile to SUBDIR.${MK_*} optional subdir style