* gnu/packages/maths.scm (z3): Update to 4.8.3.
[build-system]: Switch from cmake to make, and use the current
scripts/mk_make.py build script instead of the now-deprecated
contrib/cmake/bootstrap.py.

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

* gnu/packages/conkeror.scm: Remove.
* gnu/local.mk (GNU_SYSTEM_MODULES): Remove it.
* gnu/packages/gnuzilla.scm (conkeror): New variable.

Fixes a regression introduced in
bbe66a53 whereby the actual
load (non-normalized) would be displayed.

* guix/scripts/offload.scm (check-machine-status): Add call to
'normalized-load'.

* gnu/packages/emacs.scm (emacs-guix): Update to 0.5.1.

* gnu/packages/serialization.scm (yaml-cpp)[arguments]: Add a custom
phase to remove installed googletest shared libraries and headers.

* gnu/packages/textutils.scm (opencc)[source]: Add snippet to remove
rapidjson.
[arguments]: Add custom phase to substitute rapidjson.
[native-inputs]: Add rapidjson.

* gnu/packages/textutils.scm (opencc)[source]: Use 'git-fetch'.

* gnu/packages/mail.scm (claws-mail): Update to 3.17.3.

* gnu/packages/mail.scm (claws-mail)[source]: Hard-code name.

* doc/guix.texi (Web Services): Fix typos.

* gnu/services/admin.scm: Fix typo in licence header.

* gnu/packages/datamash.scm (datamash): Update to 1.4.
[source]: Remove patch.
* gnu/packages/patches/datamash-arm-tests.patch: Remove file.
* gnu/local.mk (dist_patch_DATA): Remove it.

* gnu/packages/web-browsers.scm (sbcl-next)[inputs]: Update for 1.2.0.

* gnu/packages/web-browsers.scm (next-gtk-webkit): Update to 1.2.0.

* gnu/packages/linux.scm (%linux-libre-version): Update to 4.19.12.
(%linux-libre-hash): Update hash.

* gnu/packages/linux.scm (%linux-libre-4.14-version): Update to 4.14.90.
(%linux-libre-4.14-hash): Update hash.

* gnu/packages/linux.scm (linux-libre-4.9): Update to 4.9.147.

* gnu/packages/linux.scm (linux-libre-4.4): Update to 4.4.169.

* gnu/packages/entr.scm (entr)[description]: Fix typo.

* gnu/packages/package-management.scm (guix): Update to bdf860c2.

This should avoid "database is locked" errors when there's a lot of
concurrency, for instance when offloading simultaneously a lot of
builds.

* guix/store/database.scm (call-with-database): Add two 'sqlite-exec'
calls to set 'journal_mode' and 'busy_timeout'.

Previously, if a remote build would fail due to lack of disk space, this
would be considered a permanent failure and thus cached as a build
failure if the local daemon runs with '--cache-failures'.

* guix/scripts/offload.scm (transfer-and-offload): Upon
'nix-protocol-error?' call 'node-free-disk-space' and return 1 instead
of 100 if the result if lower than 10 MiB.

Fixes <https://bugs.gnu.org/33378>.

* guix/scripts/offload.scm (node-free-disk-space): New procedure.
(%minimum-disk-space): New variable.
(choose-build-machine): Call 'node-free-disk-space' and take it into
account in addition to LOAD.
(check-machine-status): Display the free disk space.

* guix/scripts/offload.scm (machine-load): Remove.
(node-load, normalized-load): New procedures.
(choose-build-machine): Call 'open-ssh-session' and 'make-node' from
here; pass the node to 'node-load'.
(check-machine-status): Use 'node-load' instead of 'machine-load'.  Call
'disconnect!' on SESSION.

Suggested by Chris Marusich <cmmarusich@gmail.com>.

* doc/guix.texi (Invoking guix package): Mention that --search is
case-insensitive.

* gnu/packages/mpd.scm (ncmpc): Update to 0.33.
[source]: Use 'version-major' instead of string-splitting.

* gnu/packages/virtualization.scm (python-libvirt): Update to 4.10.0.

* gnu/packages/virtualization.scm (libvirt): Update to 4.10.0.
[inputs]: Add "eudev" and "libpciaccess".

* gnu/packages/image-processing.scm (vips): New variable.

Co-authored-by: Ludovic Courtès <ludo@gnu.org>

* gnu/packages/rdf.scm (python-rdflib): Update to 4.2.2.

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

* gnu/system.scm (kernel->boot-label): Get package name and version
using the functions for inferior packages if the kernel is an
inferior package. Return "GNU" if the kernel is not a package.

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

* gnu/packages/patches/emacs-wordnut-require-adaptive-wrap.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add previous file.
* gnu/packages/emacs.scm (emacs-wordnut): New package.

* gnu/packages/games.scm (quadrapassel): New variable.

* gnu/packages/games.scm (libmanette): New variable.

* gnu/packages/check.scm (unittest-cpp)[source]: Use 'git-fetch'.

* gnu/packages/check.scm (python-pyhamcrest)[source]: Use 'git-fetch'.

* gnu/packages/check.scm (python-testpath)[source]: Use 'git-fetch'.

* gnu/packages/check.scm (cppcheck): Update to 1.86.

* gnu/packages/check.scm (cppcheck)[arguments]: Add configure-flag to
enable tests.

* gnu/packages/check.scm (cppcheck)[source]: Use 'git-fetch'.