Reported by Pierre Neidhardt <mail@ambrevar.xyz>.

* doc/guix.texi (Channels): Mention the keyring branch and the
'keyring-reference' bit in '.guix-channel'.

Suggested by zimoun <zimon.toutoune@gmail.com>.

* doc/guix.texi (Channels): Use the commit for 'v1.0.0' instead of a
non-existing commit in example.

* gnu/packages/patches/luminance-hdr-qt-printer.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/image-viewers.scm (luminance-hdr): Update to 2.6.0.
[inputs]: Add QTSVG and EIGEN.
[arguments]: Add #:tests? #f.

* gnu/packages/games.scm (enigma)[arguments]: Add phase to substitute faulty
comparison.

* gnu/packages/gps.scm (gpscorrelate): Update to 2.0.
[arguments]: Remove #:tests?.
[inputs]: Remove GTK+-2.  Add GTK+.

* gnu/packages/openpgp.scm (dkgpg): New variable.

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

* gnu/packages/openpgp.scm: New file.

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

Fixes <https://bugs.gnu.org/42509>.
Reported by Alexandru-Sergiu Marton <brown121407@posteo.ro>.

* guix/import/github.scm (fetch-releases-or-tags): Use 'http-fetch'
instead of 'json-fetch', and guard against 404 errors.  Upon 404, emit a
warning and return the empty vector.

Fixes <https://bugs.gnu.org/42510>.

* guix/scripts/pack.scm (wrapped-manifest-entry): Recurse on
'dependencies' field.
* tests/guix-pack-relocatable.sh: Add test.

Fixes <https://bugs.gnu.org/42392>.
Reported by Maxim Cournoyer and Erik Garrison.

Until now, the generated <bits/c++config.h> would be incorrect (many
_GLIBCXX_HAVE macros would be undefined), which in turn would lead to
build failures for most C++ programs.

* gnu/packages/gcc.scm (gcc-6)[inputs]: Add LIBSTDC++-HEADERS.
(libstdc++, libstdc++-headers): New variables.
* gnu/packages/gcc.scm (gfortran): Change first argument to 'custom-gcc'
to remove dependency on LIBSTDC++-HEADERS.

* gnu/packages/gcc.scm (gcc-10): Update to 10.2.0.

* gnu/packages/maths.scm (sleef): New variable.

Signed-off-by: Brett Gilio <brettg@gnu.org>

* gnu/packages/backup.scm (duplicity): Update to 0.8.14.
[native-inputs]: Add gettext, python-future, python-pytest,
python-pytest-runner, and python-setuptools-scm.  Move other python2 packages
to python.
[propagated-inputs]: Ditto.
[inputs]: Use latest librsync.
[arguments]: Remove #:python argument.  Adjust gpg substitution regex for
latest source.

Fixes <https://bugs.gnu.org/42476>.
Reported by linka on #guix.

* gnu/packages/patches/qtbase-fix-krita-deadlock.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/qt.scm (qtbase-for-krita): New variable.
* gnu/packages/kde.scm (krita)[inputs]: Replace qtbase with qtbase-for-krita.

* gnu/packages/graphics.scm (blender): Update to 2.83.3.

* gnu/packages/dns.scm (dnsmasq): Update to 2.82.

* gnu/packages/web.scm (jo): Update to 1.4.

* gnu/packages/audio.scm (wavpack): Update to 5.3.2.
[source]: Use GIT-FETCH and GIT-FILE-NAME.
[arguments]: Replace the ‘bootstrap’ phase.
[native-inputs]: Add autoconf, automake, and libtool.

* gnu/packages/backup.scm (burp)[inputs]: Add acl.

* gnu/packages/backup.scm (burp): Update to 2.3.30.
[source]: Use GIT-FETCH and GIT-FILE-NAME.
[native-inputs]: Add autoconf and automake.

* gnu/packages/parallel.scm (parallel): Update to 20200722.

This reverts commit 5f639050.

This commit caused `guix pull` to crash like this:

------
Backtrace:
In ice-9/boot-9.scm:
   222:29 19 (map1 _)
   222:29 18 (map1 _)
   222:29 17 (map1 _)
   222:29 16 (map1 _)
   222:17 15 (map1 (((gnu packages kde)) ((gnu packages libevent)) ((gnu packages libidn)) ((gnu packages #)) ((?)) ?))
  3297:17 14 (resolve-interface (gnu packages kde) #:select _ #:hide _ #:prefix _ #:renamer _ #:version _)
In ice-9/threads.scm:
    390:8 13 (_ _)
In ice-9/boot-9.scm:
  3223:13 12 (_)
In ice-9/threads.scm:
    390:8 11 (_ _)
In ice-9/boot-9.scm:
  3507:20 10 (_)
   2806:4  9 (save-module-excursion _)
  3527:26  8 (_)
In unknown file:
           7 (primitive-load-path "gnu/packages/kde" #<procedure 7f68d6fe5da0 at ice-9/boot-9.scm:3514:37 ()>)
In ice-9/eval.scm:
   626:19  6 (_ #<directory (gnu packages kde) 7f68d6175b40>)
   293:34  5 (_ #<directory (gnu packages kde) 7f68d6175b40>)
   173:47  4 (_ #(#<directory (gnu packages kde) 7f68d6175b40> #<promise #<procedure 7f68dc5a5d00 at ice-9/eval.sc?>))
    159:9  3 (_ #(#<directory (gnu packages kde) 7f68d6175b40> #<promise #<procedure 7f68dc5a5d00 at ice-9/eval.sc?>))
   191:35  2 (_ #(#<directory (gnu packages kde) 7f68d6175b40> #<promise #<procedure 7f68dc5a5d00 at ice-9/eval.sc?>))
   223:20  1 (proc #(#<directory (gnu packages kde) 7f68d6175b40> #<promise #<procedure 7f68dc5a5d00 at ice-9/eval?>))
In unknown file:
           0 (%resolve-variable (7 . qtbase) #<directory (gnu packages kde) 7f68d6175b40>)

ERROR: In procedure %resolve-variable:
error: qtbase: unbound variable
------

Fixes <https://bugs.gnu.org/42476>.
Reported by linka on #guix.

* gnu/packages/patches/qtbase-fix-krita-deadlock.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/kde.scm (qtbase-for-krita): New variable.
(krita)[inputs]: Replace qtbase with qtbase-for-krita.

* gnu/packages/chromium.scm (lld-as-ld, lld-wrapper, lld/wrapped): Move into ...
(make-lld-wrapper): ... here.  New procedure.

* gnu/local.mk (GNU_SYSTEM_MODULES): Add mercury.scm.
* gnu/packages/mercury.scm: New file.

* gnu/packages/ccache.scm (ccache): Update to 3.7.11.

* gnu/packages/admin.scm (ansible): Update to 2.9.11.

* gnu/packages/assembly.scm (rgbds): Update to 0.4.1.

* gnu/packages/benchmark.scm (fio): Update to 3.21.

* gnu/packages/games.scm (warzone2100): Update to 3.4.1.

* gnu/packages/django.scm (python-django)[propagated-inputs]: Add
python-argon2-cffi, python-bcrypt.

* gnu/packages/django.scm (python-django): Update to 1.11.29.

* gnu/packages/calendar.scm (khal)[arguments]: Fix a failing test.

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

* gnu/packages/sml.scm (polyml): Update to 5.8.1.

* gnu/packages/linux.scm (linux-libre-5.4-version): Update to 5.4.53.
(linux-libre-5.4-pristine-source): Update hash.
(deblob-scripts-5.4): Update to 5.4.53.

* gnu/packages/linux.scm (linux-libre-5.7-version): Update to 5.7.10.
(linux-libre-5.7-pristine-source): Update hash.
(deblob-scripts-5.7): Update to 5.7.10.

* gnu/packages/linux.scm (linux-libre-4.19-version): Update to 4.19.134.
(linux-libre-4.19-pristine-source): Update hash.
(deblob-scripts-4.19): Update to 4.19.134.

* gnu/packages/linux.scm (linux-libre-4.14-version): Update to 4.14.189.
(linux-libre-4.14-pristine-source): Update hash.
(linux-libre-4.14-source): Remove %linux-libre-fix-atheros-9271-patch.
(deblob-scripts-4.14): Update to 4.14.189.
(%linux-libre-fix-atheros-9271-patch): Delete variable.
* gnu/packages/patches/linux-libre-fix-atheros-9271.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

* gnu/packages/linux.scm (linux-libre-4.9-version): Update to 4.9.231.
(linux-libre-4.9-pristine-source): Update hash.
(linux-libre-4.9-source): Remove %linux-libre-fix-atheros-9271-patch.
(deblob-scripts-4.9): Update to 4.9.231.

* gnu/packages/linux.scm (linux-libre-4.4-version): Update to 4.4.231.
(linux-libre-4.4-pristine-source): Update hash.
(linux-libre-4.4-source): Remove %linux-libre-fix-atheros-9271-patch.
(deblob-scripts-4.4): Update to 4.4.231.