* guix/scripts/time-machine.scm (show-help): Call 'show-build-options-help'.
(%options): Add %STANDARD-BUILD-OPTIONS.
(%default-options): New variable.
(parse-args): Pass (list %default-options) to 'parse-command-line' and
remove #:build-options? parameter.
(guix-time-machine): Call 'set-build-options-from-command-line' and wrap
'cached-channel-instance' call in 'with-status-verbosity'.
* doc/guix.texi (Invoking guix time-machine): Mention common build options.

* guix/scripts/pull.scm (with-git-error-handling): Export.
* guix/scripts/time-machine.scm (guix-time-machine): Wrap body in
'with-git-error-handling'.

* etc/news.scm: Add entry for 'guix time-machine'.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

* guix/inferior.scm (cached-channel-instance): Take an explicit 'store'
argument.
(inferior-for-channels): Wrap call to 'cached-channel-instance' in
'with-store'.
* guix/time-machine.scm (guix-time-machine): Wrap call to
'cached-channel-instance' in 'with-store'.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

* guix/scripts/time-machine.scm: New file.
* Makefile.am: (MODULES): Add it.
* guix/scripts/pull.scm (channel-list): Export.
* guix/inferior.scm (cached-channel-instance): New procedure.
(inferior-for-channels): Use it.
* doc/guix.texi (Invoking guix time-machine): New section.
(Channels): Cross-reference it.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

This option had been ignored since commit
0d39a3b9 (August 2018).

* guix/scripts/pull.scm (show-help, %options): Remove "--verbose".
(build-and-install): Remove #:verbose?, which was unused.
(guix-pull): Adjust accordingly.

This reverts commit eaa52b5b,
which would lead to build failures on systems other than x86_64-linux.

* gnu/packages/mpi.scm (openmpi)[inputs]: For UCX, check the supported
systems of UCX, not PSM2.

* gnu/packages/crypto.scm (tomb)[arguments]: Disallow references to the "sudo"
input.  Remove it's path from the wrapper.

* gnu/packages/crypto.scm (tomb)[inputs]: Add lsof.
[arguments]: Add it to the wrapper PATH.

* gnu/packages/patches/tomb-fix-errors-on-open.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/crypto.scm (tomb): Update to 2.7.
[source]: Use the patch.

Add CMake version 3.15.5 but do not replace the existing version to avoid
triggering the rebuild of all CMake-based packages.

See <https://issues.guix.gnu.org/issue/38060

>.

* gnu/packages/cmake.scm (cmake-3.15.5): Add CMake 3.15.5.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

* gnu/packages/chromium.scm (%preserved-third-party-files): Adjust for
Chromium 78.
(%chromium-version): Set to 78.0.3904.97.
(%ungoogled-revision): Set to acaf16383f264d8a2f24142ad054c9b4355771d3.
(%debian-revision): Set to e43d74632091324774a5049668782dba7b09cf72.
(%chromium-origin, %ungoogled-origin, %debian-origin): Update hashes.
(gentoo-patches, %auxiliary-patches): Remove variables.
(ungoogled-chromium-source): Adjust Debian patches for 78.  Don't apply
%AUXILIARY-PATCHES.
(libvpx/chromium): New variable.
(ungoogled-chromium)[arguments]: Add substitution for ICU headers.  Adjust
other substitutions for 78.  Remove obsolete workaround.  Increase ulimit in
'build' phase.  Don't install '22x22' icon, which no longer exists.
[inputs]: Change from LIBVPX to LIBVPX/CHROMIUM.
[properties]: Remove HIDDEN?.
(ungoogled-chromium-wayland)[inputs]: Don't remove inherited inputs.
(ungoogled-chromium-is-deprecated, ungoogled-chromium-wayland-is-deprecated):
Remove variables.

* gnu/packages/build-tools.scm (gn)[arguments]: Remove #:tests?.  Override
'check' phase.

* gnu/packages/build-tools.scm (gn): Update to 0.0-1666.6e5ba2e.
[arguments]: Do not override LDFLAGS.

This allows us to get better performance by default on machines with
OmniPath hardware.

* gnu/packages/patches/openmpi-psm2-priority.patch: New file.
* gnu/packages/mpi.scm (openmpi)[source]: Use it.
* gnu/local.mk (dist_patch_DATA): Add it.

* gnu/packages/linux.scm (psm)[outputs]: New field.

* gnu/packages/mpi.scm (openmpi)[inputs]: Switch to HWLOC-2.
* gnu/packages/parallel.scm (slurm)[inputs]: Likewise.

* gnu/packages/mpi.scm (hwloc-2.0): Rename to...
(hwloc-2): ... this.  Update to 2.1.0
(hwloc-2.0): Define as deprecated.
* gnu/packages/opencl.scm (pocl)[inputs]: Adjust accordingly.

* gnu/packages/parallel.scm (slurm)[arguments]: Pass "--disable-static".

* gnu/packages/parallel.scm (slurm): Update to 19.05.3-2.
[source](snippet): Keep "contribs/mpi" and its reference in
'Makefile.am'.
[inputs]: Remove OPENSSL.
[arguments]: Remove "--with-ssl".  Add 'install-libpmi' phase.

* gnu/packages/mpi.scm (intel-mpi-benchmarks): New variable.

* gnu/packages/linux.scm (rdma-core): Update to 26.0.
[arguments]: Add "-DRST2MAN_EXECUTABLE=..." to #:configure-flags.
[native-inputs]: Add PYTHON-DOCUTILS.

* gnu/packages/linux.scm (rdma-core)[arguments]: Add "-DIOCTL_MODE=write"
to #:configure-flags.

* gnu/packages/mpi.scm (openmpi)[arguments]: Pass "--with-ucx",
"--with-psm", and "--with-psm2".

* gnu/packages/fabric-management.scm (ucx)[arguments]: Pass
"--disable-static".

Until now, InfiniBand support was missing, as reported by "ucx_info -d"
on a machine with InfiniBand networking.

* gnu/packages/fabric-management.scm (ucx)[arguments]: Build with
"--with-verbs".

* gnu/packages/haskell-apps.scm (git-annex): Update to 7.20191114.

Signed-off-by: Mathieu Othacehe <m.othacehe@gmail.com>

* gnu/packages/audio.scm (rtmidi): Update to 4.0.0.
[source]: Download tarball from upstream URL rather than the powertab github
fork.
[arguments]: Enable tests.  Remove 'build and 'install phases and add a new
'noconfigure phase to prevent the bootstrap script from invoking configure.
[home-page]: Update homepage to upstream URL.
* gnu/packages/music.scm (powertabeditor)[arguments]: Add phase that substitutes
the rtmidi #include directive to find the header.

Signed-off-by: Mathieu Othacehe <m.othacehe@gmail.com>

* gnu/packages/engineering.scm (freecad): Update to 0.18.4.

Signed-off-by: Mathieu Othacehe <m.othacehe@gmail.com>

* guix/build/make-bootstrap.scm (copy-linux-headers): Remove header
file 'a.out.h' is no longer part of the linux kernel headers.

* gnu/packages/emacs-xyz.scm (emacs-flycheck-cpplint)[inputs]: Add cpplint.
[arguments]: Add a set-cpplint-path phase to set the path of cpplint.

* gnu/packages/cpp.scm (cpplint): New variable.

* gnu/packages/audio.scm (fluidsynth): Update to 2.0.9.

* gnu/packages/perl.scm (perl-type-tiny): Update to 1.006000.

* gnu/packages/package-management.scm (msitools): Update to 0.100.

* gnu/packages/mail.scm (perl-mail-dkim): Update to 0.58.

* gnu/packages/mes.scm (m2-planet): New variable.

* gnu/packages/emacs-xyz.scm (emacs-helm-fish-completion): New variable.

* gnu/packages/bioinformatics.scm (r-gprofiler): Update to 0.7.0.