* doc/guix.texi (Build Systems): Document '#:install-source?' for the Go
build system.

* guix/build/go-build-system.scm (setup-environment): Set GOBIN correctly.

* gnu/packages/golang.scm (go-1.9): Update to 1.9.2.

* gnu/packages/video.scm (ffmpeg): Update to 3.4.

Signed-off-by: Leo Famulari <leo@famulari.name>

* gnu/packages/node.scm (node): Update to 8.7.0.
(node)[arguments]: Removed dgram mutlicast test. Removed dns test. Removed
broken linter test workaround.

* gnu/packages/bioinformatics.scm (vsearch): Update to 2.5.1.

The source was repacked and reuploaded without incrementing the version
number. The difference was windows line endings on the windows files.

* gnu/packages/statistics.scm (r-nloptr)[source]: Update package hash.

* gnu/packages/music.scm (sorcer)[arguments]: Add phase to remove
architecture specific build flags.

* gnu/packages/virtualization.scm (virt-manager)[inputs]: Add dconf.

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

Fixes a crash when opening the file chooser dialog.

* gnu/packages/virtualization.scm (virt-manager)[arguments]
<#:imported-modules>: Add (guix build glib-or-gtk-build-system).
<#:modules>: Import (guix build glib-or-gtk-build-system) as glib-or-gtk:.
<#:arguments>: Add 'glib-or-gtk-compile-schemas and 'glib-or-gtk-wrap.

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

* gnu/packages/crypto.scm (python2-roca-detect): New variable.

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

* gnu/packages/gnupg.scm (python2-pgpdump): New variable.

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

* gnu/packages/python.scm (python-coloredlogs, python2-coloredlogs): New
variables.

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

* gnu/packages/python.scm (python-verboselogs, python2-verboselogs): New
variables.

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

* gnu/packages/python.scm (python-capturer, python2-capturer): New
variables.

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

* gnu/packages/python.scm (python-humanfriendly, python2-humanfriendly):
New variable.

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

* guix/scripts/challenge.scm (summarize-report-list): New procedure.
(guix-challenge): Use it.
* doc/guix.texi (Invoking guix challenge): Adjust command output in
example.

Fixes <https://bugs.gnu.org/28731>.
Reported by Jan Nieuwenhuizen <janneke@gnu.org>.

* guix/scripts/substitute.scm (at-most): New procedure.
(http-multiple-get): Use it to send at most 1000 requests at once.

* guix/scripts/package.scm (process-query) <'list-available>: Filter out
P if it matches 'package-superseded'.

* gnu/packages/calcurse.scm: Fix copyright statement.

* gnu/packages/calcurse.scm (calcurse)[inputs]: Remove tzdata and add ...
[native-inputs]: tzdata-2017a.
[arguments]: Add tzdata-2017a to #:disallowed-references.

* gnu/packages/parallel.scm (parallel): Update to 20171022.

See 'Changes' in the source distribution for more information about the
fixed security issues.

* gnu/packages/xml.scm (expat)[replacement]: Update to 2.2.4.
(expat-2.2.2): Replace with...
(expat-2.2.4): ...new variable.

* gnu/packages/tor.scm (tor): Update to 0.3.1.8.

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

* gnu/packages/sssd.scm (sssd): Update to 1.16.0.

* gnu/packages/sssd.scm (ding-libs): Update to 0.6.1.

* gnu/packages/cran.scm (r-ff)[supported-systems]: New field.

* gnu/packages/golang.scm (go@1.4)[supported-systems]: New field,
Limit supported systems to x86_64-linux, i686-linux and armhf-linux.
(go@1.9)[supported-systems]: New field.

* gnu/packages/perl.scm (perl-moox-file-configdir)[source]: Fix typo in source
URL.

* gnu/packages/statistics.scm (r-forcats): New variable.

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

* gnu/packages/databases.scm (sqlite-with-fts3): New variable.

Co-authored-by: Pierre Langlois <pierre.langlois@gmx.com>

* gnu/packages/crypto.scm (crypto++): New variable.
* gnu/packages/patches/crypto++-fix-dos-in-asn.1-decoders.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

Co-authored-by: Ricardo Wurmus <rekado@elephly.net>

* gnu/packages/music.scm (libechonest): New variable.

Co-authored-by: Ricardo Wurmus <rekado@elephly.net>

* gnu/packages/web.scm (qjson): New variable.

Co-authored-by: Ricardo Wurmus <rekado@elephly.net>

* gnu/packages/gnupg.scm (parcimonie): New variable.

Co-authored-by: Ricardo Wurmus <rekado@elephly.net>

* gnu/packages/perl.scm (perl-browser-open): New variable.

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

* gnu/packages/perl.scm (perl-b-keywords): New variable.

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

* gnu/packages/perl.scm (perl-carp-always): New variable.

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

* gnu/packages/glib.scm (perl-net-dbus-glib): New variable.

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