* gnu/services/authentication.scm: Use define-configuration in fprintd.

* gnu/packages/cran.scm (r-hdf5r): Update to 1.2.0.

* gnu/packages/guile-xyz.scm (guile-parted): Update to 0.0.1.

* gnu/packages/guile-xyz.scm (guile-newt): Update to 0.0.1.

This is the last bit fixing <https://bugs.gnu.org/35283>.

Previously, 'mformat' (used by 'grub-mkrescue') would pass uninitialized
bytes to write(2), leading to non-deterministic FAT image contents.
This patch fixes that.

* gnu/packages/patches/mtools-mformat-uninitialized.patch: New file.
* gnu/packages/mtools.scm (mtools)[source]: Use it.
* gnu/local.mk (dist_patch_DATA): Add it.

* gnu/packages/valgrind.scm (valgrind-3.15): New variable.

Partly fixes <https://bugs.gnu.org/35283>.

* gnu/build/vm.scm (make-iso9660-image): Set the
'GRUB_FAT_SERIAL_NUMBER' environment variable.

* gnu/packages/patches/grub-efi-fat-serial-number.patch: New file.
* gnu/packages/bootloaders.scm (grub)[source](patches): Add it.
* gnu/local.mk (dist_patch_DATA): Add it.

Partly fixes <https://bugs.gnu.org/35283>.

* gnu/build/vm.scm (make-iso9660-image): Set the 'SOURCE_DATE_EPOCH'
environment variable.

Partly fixes <https://bugs.gnu.org/35283>.
Reported by Florian Pelz <pelzflorian@pelzflorian.de>.

* gnu/build/vm.scm (make-iso9660-image): Pass "-volume_date
all_file_dates =1".

* gnu/system/install.scm (installation-os)[kernel-arguments]: New field.

* gnu/packages/version-control.scm (git-lfs): New variable.

* gnu/packages/ibus.scm (ibus-libpinyin)[inputs]: Add python-pygobject.

* gnu/packages/ibus.scm (libpinyin): Update to 2.3.0.

* gnu/packages/ibus.scm (ibus-libpinyin): Update to 1.11.0.

* gnu/packages/ibus.scm (ibus): Update to 1.5.20.
[arguments]: Remove make-flags; remove "--disable-python2" from
configure-flags; add build phase "patch-python-target-directories".
[inputs]: Replace intltool with gnu-gettext.

* gnu/packages/cpp.scm (rct): Move the call to 'git-version' into the
package definition.
[source]: Explicitly include the source URI rather than using
'home-page'.

* gnu/packages/linux.scm (%linux-libre-version): Update to 5.0.8.
(%linux-libre-hash): Update hash.

* gnu/packages/linux.scm (%linux-libre-4.19-version): Update to 4.19.35.
(%linux-libre-4.19-hash): Update hash.

* gnu/packages/linux.scm (%linux-libre-4.14-version): Update to 4.14.112.
(%linux-libre-4.14-hash): Update hash.

* gnu/packages/linux.scm (linux-libre-4.9): Update to 4.9.169.

* gnu/packages/cran.scm (r-styler): New variable.

Signed-off-by: Ricardo Wurmus <rekado@elephly.net>

* gnu/packages/dictionaries.scm (grammalecte): Update to 1.0.1.
[source]: Update URL.

This file name was too long for 'tar', as reported by 'guix lint'.

* gnu/packages/patches/linkchecker-mark-more-tests-that-require-the-network.patch:
Rename to...
* gnu/packages/patches/linkchecker-tests-require-network.patch: ... this.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/web.scm (linkchecker)[source]: Likewise.

This file name was too long for 'tar', as reported by 'guix lint'.

* gnu/packages/patches/ocaml-dose3-Add-unix-as-dependency-to-dose3.common-in-META.in.patch:
Rename to...
* gnu/packages/patches/ocaml-dose3-add-unix-dependency.patch: ... this.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/ocaml.scm (ocaml-dose3)[source]: Adjust accordingly.

* build-aux/compile-all.scm (%): New procedure.
(command-line): Use it to report completion.

Until now, the 'guix' package shipped in binary tarballs and system
images would be built sequentially for each system type, one at a time.
Now all of them can potentially be built in parallel.

* Makefile.am (system_flags): New function.
(release): Run "guix build guix" before "make binary-tarballs" and
before "guix system disk-image" to build all the 'guix' packages in
parallel.

* Makefile.am (release): Run "git checkout ." in doc/

* guix/scripts/build.scm (%default-options): Remove 'system'.
(%options) <--system>: Keep previous occurrences of 'system in RESULT.
(options->derivations)[system]: Remove.
[systems, things-to-build]: New variables.
[compute-derivation]: New procedure.
Iterate on all of SYSTEMS to compute the derivations of THINGS-TO-BUILD.
* tests/guix-build.sh: Add test for one and multiple '-s' flags.
* doc/guix.texi (Additional Build Options): Document this behavior.

* gnu/packages/bioinformatics.scm (r-seurat): Update to 3.0.0.
[propagated-inputs]: Remove r-dosnow, r-dplyr, r-dtw, r-foreach, r-fpc,
r-gplots, r-hdf5r, r-hmisc, r-httr, r-lars, r-mixtools, r-reshape2, and
r-tidyr; add r-future, r-future-apply, r-ggrepel, r-kernsmooth, r-rlang,
r-rsvd, r-scales, and r-sctransform.

* gnu/packages/cran.scm (r-sctransform): New variable.

* gnu/packages/cran.scm (r-urltools): Update to 1.7.3.

* gnu/packages/cran.scm (r-rdpack): Update to 0.11-0.

* gnu/packages/cran.scm (r-sdmtools): Update to 1.1-221.1.

* gnu/packages/cran.scm (r-hardyweinberg): Update to 1.6.2.

* gnu/packages/cran.scm (r-clipr): Update to 0.6.0.

* gnu/packages/statistics.scm (r-caret): Update to 6.0-83.

* gnu/packages/music.scm (klick)[arguments]: Patch "SConstruct" file to make
it compatible with the current version of scons.

I noticed this when using Sqitch, on systems without /usr/share/zoneinfo,
actions like deploy fail.

* gnu/packages/perl.scm (perl-datetime-timezone)[arguments]: Add 'patch-tzdata
phase to replace /usr/share/zoneinfo with a reference to the tzdata package.
[inputs]: Add the tzdata package.

This is a follow-up to commit 20b3fde7.
Commits and beer do not mix well.

* gnu/packages/python-xyz.scm (python2-send2trash): Inherit using STRIP-PYTHON2-VARIANT.