* guix/scripts/package.scm (guix-package)[process-query]
  <list-available>: Restrict results to packages matching
  'supported-package?".
* guix/ui.scm (package->recutils): Print "systems:".
* tests/guix-package.sh: Add tests.
* doc/guix.texi (Invoking guix package): Adjust description of
  '--list-available' accordingly.

* guix/packages.scm (supported-package?): New procedure.
* tests/packages.scm ("supported-package?"): New test.
* build-aux/hydra/gnu-system.scm (package->job): Use it instead of
  'package-transitive-supported-systems'.

* gnu/packages/lisp.scm (ccl)[inputs]: Add default cases in 'match' forms.
  Fix pattern in "armhf-linux" case of sha256 field.

Suggested by Pjotr Prins <pjotr.public12@thebird.nl>.

* doc/guix.texi (Binary Installation): Move warning about overwriting
  higher up.

* gnu/packages/gnome.scm (gnome-settings-daemon): Use the wacom packages.

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

* gnu/packages/xdisorg.scm (xf86-input-wacom): New variable.

* gnu/packages/xdisorg.scm (libwacom): New variable.

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

* gnu/packages.scm (find-packages-by-name): Sort MATCHING according to
  'version>?'.  Use 'string-prefix?' instead of 'string=?' to compare
  against VERSION.
* doc/guix.texi (Invoking guix package): Add example and explanation.

* gnu/packages/telephony.scm (ucommon): Update to 6.3.1.

* gnu/packages/telephony.scm (ccrtp): Update to 2.1.2.

* gnu/packages/telephony.scm (sipwitch): Update to 1.9.7.

* gnu/packages/nano.scm (nano): Update to 2.4.1.

* gnu/packages/ebook.scm (calibre): Update to 2.25.0.

* gnu/packages/databases.scm (mariadb): New variable.

* gnu/packages/linux.scm (libaio): New variable.

* gnu/packages/jemalloc.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

* gnu/packages/gstreamer.scm (gst-plugins-good): Move gst-plugins-base
  from 'native-inputs' to 'inputs'.
  [inputs]: Add aalib, jack, libavc1394, libcaca, libdv, libiec61833,
  libshout, libsoup, libvpx, orc, taglib and wavpack.  Remove glib,
  gstreamer, libogg, libx11, libxext, libxv, and zlib.
  [arguments]: Remove.

* gnu/packages/ntp.scm (ntp): Update to 4.2.8p2.

* gnu/packages/tor.scm (tor): Update to 0.2.5.12.

* gnu/packages/video.scm (ffmpeg-2.2): Remove variable.
  (ffmpeg)[arguments]: Drop LDFLAGS environment variable needed only for
  older versions.

* guix/monads.scm (sequence): Rewrite as a macro.  This yields a 10%
  improvement in wall-clock time for 'guix system build'.

* gnu/packages/gnome.scm (gnome-vfs)[arguments]: Remove 'XFAIL_TESTS' make
  flag, which caused 'make check' to fail if the test unexpectedly passed.
  Add 'patch-test-async-cancel-to-never-fail' phase.

Conflicts:
	gnu-system.am
	gnu/packages/gstreamer.scm

* gnu/services/avahi.scm (avahi-service): Change 'shell' to a gexp
  referring to "nologin" in the SHADOW package.
* gnu/services/dbus.scm (dbus-service): Likewise.
* gnu/services/networking.scm (ntp-service, tor-service): Likewise.

Reported by Andy Wingo <wingo@pobox.com>.

* gnu/system.scm (user-shells, shells-file): New procedures.
  (etc-directory): Add #:shell parameter.  Use 'shells-file' instead of
  'text-file'.
  (operating-system-etc-directory): Call 'user-shells' and pass #:shells
  to 'etc-directory'.

* gnu/packages/telephony.scm (libsrtp): New variable.

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

* gnu/packages/gnuzilla.scm (icecat)[inputs]: Add sqlite.
  [arguments]: Pass "--enable-system-sqlite" to configure.

* gnu/packages/gnome.scm (gnome-vfs)[arguments]: Add
  "XFAIL_TESTS=test-async-cancel" to make flags.  Remove ignored and
  undocumented 'DISABLE_DEPRECATED_CFLAGS' configure flag.  Simplify
  'ignore-deprecations' phase and return #t.  Reformat to fit within
  80 columns.

* gnu/packages/linux.scm (linux-libre): Set CONFIG_DEVMEM=y.

Signed-off-by: Jason Self <j@jxself.org>

* guix/scripts/refresh.scm (guix-refresh): Use 'specification->package'
  instead of 'find-packages-by-name'.  This allows users to specify
  things like "qt-4.8.6".
* doc/guix.texi (Invoking guix refresh): Add an example.

Suggested by Mark H Weaver.

* gnu/packages/ld-wrapper2.in: New file.
* gnu-system.am (MISC_DISTRO_FILES): Add it.
* gnu/packages/commencement.scm (fixed-ld-wrapper): New procedure.

* gnu/packages/scheme.scm (bigloo)[arguments]: Pass --ldflags
  'configure' flag.

* gnu/packages/hurd.scm (mig): Update to version 1.5.

* gnu/packages/hurd.scm (hurd-headers): Update to version 0.6.

* gnu/packages/hurd.scm (gnumach-headers): Update to version 1.5.

* gnu/packages/video.scm (vlc): Update to 2.2.0.
  [inputs]: Switch from ffmpeg-2.2 to latest one.

* gnu/packages/video.scm (ffmpeg)[arguments]: Add 'set-ld-library-path'
  phase.

* gnu/packages/video.scm (ffmpeg)[arguments]: Use 'modify-phases'
  instead of 'alist-cons-after' et al.

* gnu/packages/bioinformatics.scm (fastx-toolkit): New variable.