gnu: Add ngircd.

* gnu/packages/messaging.scm (ngircd): New variable.
* gnu/packages/patches/ngircd-no-dns-in-tests.patch: New file.
* gnu/packages/patches/ngircd-handle-zombies.patch: New file.
* gnu-system.am (dist_patch_DATA): Add them.

gnu: Add wicd.

Based on preliminary work by Pierre-Antoine Rault <par@rigelk.eu>

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

system: Add bindings to configure libc's NSS.

* gnu/system/nss.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.
* gnu.scm (%public-modules): Add it.
* gnu/system.scm (<operating-system>)[name-service-switch]: New field.
  (etc-directory): Add #:nss parameter and honor it.
  (operating-system-etc-directory): Adjust call accordingly.
* doc/guix.texi (operating-system Reference): Document
  'name-service-switch'.
  (Name Service Switch): New section.

gnu: Add libffcall.

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

Co-Authored-By: Joshua S. Grant <jgrant@parenthetical.io>

gnu: Add librep.

* gnu/packages/sawfish.scm: New file.
* gnu/packages/patches/librep-rules.mk.patch: New file.
* gnu-system.am: Add them.

gnu: libvpx: Apply bug fixes.

Fixes build on armhf.

* gnu/packages/patches/libvpx-fix-armhf-link.patch,
  gnu/packages/patches/libvpx-fix-ssse3-quantize.patch,
  gnu/packages/patches/libvpx-vp9-out-of-bounds-access.patch: New files.
* gnu-system.am (dist_patch_DATA): Add them.
* gnu/packages/video.scm (libvpx): Add patches.  On armhf, add additional
  configure flags to avoid requiring support for NEON.

gnu: Add dnsmasq.

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

gnu: icecat: Update to 31.4.0.

* gnu/packages/patches/icecat-CVE-2014-1587-bug-1042567.patch,
  gnu/packages/patches/icecat-CVE-2014-1587-bug-1072847.patch,
  gnu/packages/patches/icecat-CVE-2014-1587-bug-1079729.patch,
  gnu/packages/patches/icecat-CVE-2014-1587-bug-1080312.patch,
  gnu/packages/patches/icecat-CVE-2014-1587-bug-1089207.patch,
  gnu/packages/patches/icecat-CVE-2014-1590.patch,
  gnu/packages/patches/icecat-CVE-2014-1592.patch,
  gnu/packages/patches/icecat-CVE-2014-1593.patch,
  gnu/packages/patches/icecat-CVE-2014-1594.patch,
  gnu/packages/patches/icecat-CVE-2014-8634-pt1.patch,
  gnu/packages/patches/icecat-CVE-2014-8634-pt2.patch,
  gnu/packages/patches/icecat-CVE-2014-8638-pt1.patch,
  gnu/packages/patches/icecat-CVE-2014-8638-pt2.patch,
  gnu/packages/patches/icecat-CVE-2014-8639.patch,
  gnu/packages/patches/icecat-CVE-2014-8641.patch,
  gnu/packages/patches/icecat-armhf-xpcom.patch: Remove files.
* gnu-system.am (dist_patch_DATA): Remove them.
* gnu/packages/gnuzilla.scm: Update to 31.4.0.  Remove patches.

gnu: bowtie: fix build errors

* gnu/packages/bioinformatics.scm (bowtie): Add 'supported-systems' field and
  add Makefile patch.
* gnu/packages/patches/bowtie-fix-makefile.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.

gnu: Add Threading Building Blocks.

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

gnu: Add IcedTea 6

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

gnu: Add libupnp.

* gnu/packages/libupnp.scm: New file.
* gnu-system.am: Add the new file.

gnu: Add sxiv.

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

gnu: Add GCJ

* gnu/packages/gcc.scm (gcj-4.8, ecj-bootstrap-4.8): New variables.
* gnu/packages/javac.in: New file.
* gnu-system.am (MISC_DISTRO_FILES): Add it.
* Makefile.am (nobase_dist_guilemodule_DATA): Add MISC_DISTRO_FILES.

gnu: Add JACK

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

gnu: Add gobject-introspection patches to gnu-system.am.

* gnu-system.am (dist_patch_DATA): Add
  'gobject-introspection-absolute-shlib-path.patch' and
  'gobject-introspection-girepository.patch'.

gnu: Add python-pyqt.

* gnu/packages/qt.scm (python-pyqt, python2-pyqt): New variables.
* gnu/packages/patches/pyqt-configure.patch: New file.
* gnu-system.am (dist_patch_DATA): Register patch.

gnu: util-linux: Update to 2.25.2.

* gnu/packages/linux.scm (util-linux): Update to 2.25.2.  Remove
  util-linux-perl.patch, and add util-linux-tests.patch.  Adjust
  'snippet'.
  [arguments]: Remove 'patch-chkdupexe' phase.  Add 'pre-check' phase.
  [native-inputs]: Add NET-BASE.
* gnu/packages/patches/util-linux-perl.patch: Remove.
* gnu/packages/patches/util-linux-tests.patch: New file.
* gnu-system.am (dist_patch_DATA): Adjust accordingly.

gnu: nvi: Fix Berkely DB compatability issues.

* gnu/packages/patches/nvi-db4.patch: New file.
* gnu/packages/patches/nvi-dbpagesize-binpower.patch: New file.
* gnu/packages/nvi.scm (nvi): Make use of them.
* gnu-system.am (dist_patch_DATA): Add them.

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

gnu: Add S-Lang.

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