Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
9.0.0 final release r372316.

Release notes for llvm, clang, lld and libc++ 9.0.0 are available here:

https://releases.llvm.or

Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
9.0.0 final release r372316.

Release notes for llvm, clang, lld and libc++ 9.0.0 are available here:

https://releases.llvm.org/9.0.0/docs/ReleaseNotes.html
https://releases.llvm.org/9.0.0/tools/clang/docs/ReleaseNotes.html
https://releases.llvm.org/9.0.0/tools/lld/docs/ReleaseNotes.html
https://releases.llvm.org/9.0.0/projects/libcxx/docs/ReleaseNotes.html

PR: 240629
MFC after: 1 month

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Merge ^/head r352764 through r353315.

Introduce stats(3), a flexible statistics gathering API.

This provides a framework to define a template describing
a set of "variables of interest" and the intended way for
the framework to maintain

Introduce stats(3), a flexible statistics gathering API.

This provides a framework to define a template describing
a set of "variables of interest" and the intended way for
the framework to maintain them (for example the maximum, sum,
t-digest, or a combination thereof). Afterwards the user
code feeds in the raw data, and the framework maintains
these variables inside a user-provided, opaque stats blobs.
The framework also provides a way to selectively extract the
stats from the blobs. The stats(3) framework can be used in
both userspace and the kernel.

See the stats(3) manual page for details.

This will be used by the upcoming TCP statistics gathering code,
https://reviews.freebsd.org/D20655.

The stats(3) framework is disabled by default for now, except
in the NOTES kernel (for QA); it is expected to be enabled
in amd64 GENERIC after a cool down period.

Reviewed by: sef (earlier version)
Obtained from: Netflix
Relnotes: yes
Sponsored by: Klara Inc, Netflix
Differential Revision: https://reviews.freebsd.org/D20477

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Enable OpenMP for powerpc64

Summary: When powerpc64 switches to LLVM, use this patch to enable
OpenMP as well. OpenMP on PPC is only for 64-bits, so don't make a
32-bit libomp. A change to openmp fi

Enable OpenMP for powerpc64

Summary: When powerpc64 switches to LLVM, use this patch to enable
OpenMP as well. OpenMP on PPC is only for 64-bits, so don't make a
32-bit libomp. A change to openmp files is necesssary (under review on
https://reviews.llvm.org/D67190), because it determines ELF format
version based on endianness, which is incorrect.

Reviewed by: alfredo.junior_eldorado.org.br, #manpages
Differential Revision: https://reviews.freebsd.org/D21532

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Merge ^/head r352436 through r352536.

Add native support for zstd to libarchive

Note that old pkg will failed to build after this. A recent ports tree (one
providing pkg 1.12+) is required to build. Older already built pkg, should
conti

Add native support for zstd to libarchive

Note that old pkg will failed to build after this. A recent ports tree (one
providing pkg 1.12+) is required to build. Older already built pkg, should
continue working as expected

PR: 238797
Exp run by: antoine
Reviewed by: cem
Approved by: cem
Differential Revision: https://reviews.freebsd.org/D20752

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Update build glue for building libc++.

import zstd 1.4.1

MFHead @349476

Sponsored by: The FreeBSD Foundation

Remove NAND and NANDFS support

NANDFS has been broken for years. Remove it. The NAND drivers that
remain are for ancient parts that are no longer relevant. They are
polled, have terrible performance

Remove NAND and NANDFS support

NANDFS has been broken for years. Remove it. The NAND drivers that
remain are for ancient parts that are no longer relevant. They are
polled, have terrible performance and just for ancient arm
hardware. NAND parts have evolved significantly from this early work
and little to none of it would be relevant should someone need to
update to support raw nand. This code has been off by default for
years and has violated the vnode protocol leading to panics since it
was committed.

Numerous posts to arch@ and other locations have found no actual users
for this software.

Relnotes: Yes
No Objection From: arch@
Differential Revision: https://reviews.freebsd.org/D20745

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import zstd 1.4.0

MFHead @345353

Enable building libomp.so for 32-bit x86. This is done by selectively
enabling the functions that save and restore MXCSR, since access to this
register requires SSE support.

Note that you may run i

Enable building libomp.so for 32-bit x86. This is done by selectively
enabling the functions that save and restore MXCSR, since access to this
register requires SSE support.

Note that you may run into other issues with OpenMP on i386, since this
*not* yet supported upstream, and certainly not extensively tested.

PR: 236062, 236582
MFC after: 1 month
X-MFC-With: r344779

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MFHead@r345275

Disable lib/libomp build for the 32-bit part of amd64 buildworld, as it
is not supported for that target.

Reported by: Michael Butler <imb@protected-networks.net>
PR: 236062
MFC after: 1 month
X-MF

Disable lib/libomp build for the 32-bit part of amd64 buildworld, as it
is not supported for that target.

Reported by: Michael Butler <imb@protected-networks.net>
PR: 236062
MFC after: 1 month
X-MFC-With: r344779

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Connect lib/libomp to the build.

* Set MK_OPENMP to yes by default only on amd64, for now.
* Bump __FreeBSD_version to signal this addition.
* Ensure gcc's conflicting omp.h is not installed if MK_O

Connect lib/libomp to the build.

* Set MK_OPENMP to yes by default only on amd64, for now.
* Bump __FreeBSD_version to signal this addition.
* Ensure gcc's conflicting omp.h is not installed if MK_OPENMP is yes.
* Update OptionalObsoleteFiles.inc to cope with the conflicting omp.h.
* Regenerate src.conf(5) with new WITH/WITHOUT fragments.

Relnotes: yes
PR: 236062
MFC after: 1 month
X-MFC-With: r344779

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Initial googlemock/googletest integration into the build/FreeBSD test suite

This initial integration takes googlemock/googletest release 1.8.1, integrates
the library, tests, and sample unit tests i

Initial googlemock/googletest integration into the build/FreeBSD test suite

This initial integration takes googlemock/googletest release 1.8.1, integrates
the library, tests, and sample unit tests into the build.

googlemock/googletest's inclusion is optionally available via `MK_GOOGLETEST`.
`MK_GOOGLETEST` is dependent on `MK_TESTS` and is enabled by default when
built with a C++11 capable toolchain.

Google tests can be specified via the `GTESTS` variable, which, in comparison
with the other test drivers, is more simplified/streamlined, as Googletest only
supports C++ tests; not raw C or shell tests (C tests can be written in C++
using the standard embedding methods).

No dependent libraries are assumed for the tests. One must specify `gmock`,
`gmock_main`, `gtest`, or `gtest_main`, via `LIBADD` for the program.

More information about googlemock and googletest can be found on the
Googletest [project page](https://github.com/google/googletest), and the
[GoogleMock](https://github.com/google/googletest/blob/v1.8.x/googlemock/docs/Documentation.md)
and
[GoogleTest](https://github.com/google/googletest/tree/v1.8.x/googletest/docs)
docs.

These tests are originally integrated into the build as plain driver tests, but
will be natively integrated into Kyua in a later version.

Known issues/Errata:
* [WhenDynamicCastToTest.AmbiguousCast fails on FreeBSD](https://github.com/google/googletest/issues/2172)

Reviewed by: asomers
Approved by: emaste (mentor)
MFC after: 2 months
Differential Revision: https://reviews.freebsd.org/D19551

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MFhead@r344786

Merge ^/head r344549 through r344775.

Enable build of libbearssl

Reviewed by: emaste
Sponsored by: Juniper Networks
Differential Revision: D16337

Add MK_GOOGLETEST option for building/installing gmock/gtest

These libraries don't compile on non-C++-11 capable compilers, e.g., g++ 4.2.1
and its corresponding implementation of the c++ library, i

Add MK_GOOGLETEST option for building/installing gmock/gtest

These libraries don't compile on non-C++-11 capable compilers, e.g., g++ 4.2.1
and its corresponding implementation of the c++ library, i.e., libstdc++.

Blacklist compilation on all non-C++-11 capable compilers and give others the
option of opting out of building/installing gmock/gtest via MK_GOOGLETEST.

This option is controlled by MK_CXX and MK_TESTS, as ATF compilation is.

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Merge build glue for libraries and tests done on github

I need to doublecheck my work vs the port, but I believe that this covers the
initial integration of all upstream tests.

Ref: https://github.

Merge build glue for libraries and tests done on github

I need to doublecheck my work vs the port, but I believe that this covers the
initial integration of all upstream tests.

Ref: https://github.com/ngie-eign/freebsd/tree/googletest-integration

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import zstd 1.3.8

Upgrade our copies of clang, llvm, lld, lldb, compiler-rt and libc++ to
the upstream release_70 branch r348686 (effectively, 7.0.1 rc3). The
release will follow very soon, but no more functional cha

Upgrade our copies of clang, llvm, lld, lldb, compiler-rt and libc++ to
the upstream release_70 branch r348686 (effectively, 7.0.1 rc3). The
release will follow very soon, but no more functional changes are
expected.

Release notes for llvm, clang and lld 7.0.0 are available here:
<http://releases.llvm.org/7.0.0/docs/ReleaseNotes.html>
<http://releases.llvm.org/7.0.0/tools/clang/docs/ReleaseNotes.html>
<http://releases.llvm.org/7.0.0/tools/lld/docs/ReleaseNotes.html>

PR: 230240, 230355
Relnotes: yes
MFC after: 2 months

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Merge ^/head r340368 through r340426.