gnu: Add libmp4v2.

* gnu/packages/video.scm (libmp4v2): New variable.

Signed-off-by: Kei Kebreau <kei@openmailbox.org>

gnu: xf86-input-libinput: Update to 0.24.0.

* gnu/packages/xorg.scm (xf86-input-libinput): Update to 0.24.0.

gnu: lua: Update to 5.3.4.

* gnu/packages/lua.scm (lua): Update to 5.3.4.

gnu: libvpx: Update to 1.6.1.

* gnu/packages/video.scm (libvpx): Update to 1.6.1.
* gnu/packages/patches/libvpx-CVE-2016-2818.patch: Adjust to indentation changes.

gnu: vsearch: Update to 2.4.0.

* gnu/packages/bioinformatics.scm (vsearch): Update to 2.4.0.
[source]: Convert most operations in the snippet to patch form and adjust
for 2.4.0.
* gnu/packages/patches/vsearch-unbundle-cityhash.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

gnu: bash-minimal: Assume getcwd works correctly when cross-compiling

* gnu/packages/bash.scm (bash-minimal): Assume getcwd works correctly
when cross compiling.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu: mpv: Disable build date.

* gnu/packages/video.scm (mpv)[arguments]: Add '--disable-build-date' to
the configure-flags.

gnu: ffmpeg: Update to 3.2.3.

* gnu/packages/video.scm (ffmpeg): Update to 3.2.3.

gnu: isc-dhcp: Update bundled bind to 9.9.9-P6.

* gnu/packages/admin.scm (isc-dhcp): Update bundled bind to 9.9.9-P6.

gnu: databases.scm: Use license: prefix.

* gnu/packages/databases.scm (4store, gdbm, bdb, bdb-5.3, mysql, mariadb,
  postgresql, qdbm, rocksdb, sparql-query, sqlite, perl-dbi, redis,
  unixodbc, kyotocabinet, wiredtiger): Use license: prefix.

gnu: databases.scm: Sort package imports.

* gnu/packages/databases.scm (gnu): Sort module imports.

gnu: rocksdb: Update to 5.1.2.

* gnu/packages/databases.scm (rocksdb): Update to 5.1.2.
[native-inputs]: Add WHICH.

gnu: weechat: Make sure it finds the correct python.

Fixes <https://bugs.gnu.org/21879>.

* gnu/packages/irc.scm (weechat)[arguments]: Drop 'set-python-file-name' phase
in favor of a 'wrap' phase.

gnu: bind: Update to 9.10.4-P6.

* gnu/packages/dns.scm (bind): Update to 9.10.4-P6.

gnu: Add vinagre.

* gnu/packages/gnome.scm (vinagre): New variable.

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

gnu: Add freerdp.

* gnu/packages/rdesktop.scm (freerdp): New variable.

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

services: shepherd: Replace spaces with hyphens in file names.

This fixes a bug whereby names of files defining services would be
invalid if 'provisions' contained more than one element.

* gnu/services/shepherd.scm (shepherd-service-file-name): Update
'match-lambda' accordingly.

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

services: Add 'special-files-service-type'.

* gnu/build/activation.scm (activate-/bin/sh): Remove.
(activate-special-files): New procedure.
* gnu/services.scm (activation-script): Remove call to
'activate-/bin/sh'.
(special-files-service-type): New variable.
(extra-special-file): New procedure.
* gnu/services/base.scm (%base-services): Add SPECIAL-FILES-SERVICE-TYPE
instance.
* gnu/tests/base.scm (run-basic-test)[special-files]: New variables.
["special files"]: New test.

gnu: nix: Update to 1.11.6.

* gnu/packages/package-management.scm (nix): Update to 1.11.6.

gnu: python-dateutil-2: Update to 2.5.3.

* gnu/packages/python.scm (python-dateutil-2): Update to 2.5.3.