gnu: Add udisks.

* gnu/packages/freedesktop.scm (udisks): New variable.

gnu: Add libatasmart.

* gnu/packages/freedesktop.scm (libatasmart): New variable.

gnu: colord: Propagate inputs.

* gnu/packages/gnome.scm (colord): Propagate inputs glib, eudev and lcms.

gnu: Prefer libgudev as GUDEV (GObject bindings for libudev) provider.

* gnu/packages/gnome.scm (upower, gnome-settings-daemon, rhythmbox)
  gnu/packages/xfce.scm (thunar, thunar-volman): Switch to libgudev as
  GUDEV provider.

gnu: Add libgudev.

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

gnu: perl-data-stag: Fix typo in description.

Reported by Anders Jonsson <anders.jonsson@norsjovallen.se>.

* gnu/packages/perl.scm (perl-data-stag)[description]: Fix typo.

vm: Make the list of partitions to build a parameter.

* gnu/build/vm.scm (<partition>): New record type.
  (fold2): New procedure.
  (initialize-partition-table): Remove #:bootable? and
  'partition-size' parameters.  Add 'partitions' parameter.  Invoke 'parted'
  with '--script'.
  (initialize-root-partition): Remove.
  (initialize-partition, root-partition-initializer): New procedures.
  (initialize-hard-disk): Remove #:system-directory, #:disk-image-size,
  #:file-system-type, #:file-system-label, #:closures, #:copy-closures?,
  #:bootable?, and #:register-closures? parameters.  Add #:partitions.
  Rewrite to use 'initialize-partition' for each item of PARTITIONS.
* gnu/system/vm.scm (expression->derivation-in-linux-vm): Add (guix records)
  to #:modules default value.
  (qemu-image): Adjust accordingly.

system: Add 'ping6' to %SETUID-PROGRAMS.

* gnu/system.scm (%setuid-programs): Add 'ping6'.

gnu: bedtools: Add patch to fix compilation on 32 bit systems.

* gnu/packages/patches/bedtools-32bit-compilation.patch: New file.
* gnu/packages/bioinformatics.scm (bedtools)[source]: Add patch.
* gnu-system.am (dist_patch_DATA): Register patch.

Signed-off-by: Andreas Enge <andreas@enge.fr>

gnu: vlc: Update input Qt to version 5.

* gnu/packages/video.scm (vlc)[inputs]: Switch from Qt version 4 to 5.

gnu: vlc: Update to 2.2.1.

* gnu/packages/video.scm (vlc): Update to 2.2.1.

syscalls: Add 'network-interfaces', which wraps libc's 'getifaddrs'.

Based on discussions with Rohan Prinja <rohan.prinja@gmail.com>.

* guix/build/syscalls.scm (<interface>): New record type.
  (write-interface, values->interface, unfold-interface-list,
  network-interfaces, free-ifaddrs): New procedures.
  (ifaddrs): New C struct.
  (%struct-ifaddrs-type, %sizeof-ifaddrs): New macros.
* tests/syscalls.scm ("network-interfaces returns one or more interfaces",
  "network-interfaces returns \"lo\""): New tests.

syscalls: 'define-c-struct' properly align reads.

* guix/build/syscalls.scm (alignof*, align): New macros.
  (write-types, read-types): Use 'align' to compute the actual offset to
  read/write a value of TYPE0.

syscalls: 'read-socket-address' gracefully handles unsupported families.

* guix/build/syscalls.scm (PF_PACKET, AF_PACKET): New variables.
  (read-socket-address): Make 'index' optional.  Return (vector FAMILY) when
  FAMILY is neither AF_INET nor AF_INET6.

syscalls: 'define-c-struct' distinguishes pointers from integers.

* guix/build/syscalls.scm (read-type): Add special-case for when TYPE is '*.

syscalls: Rename 'network-interfaces' and 'all-network-interfaces'.

* guix/build/syscalls.scm (network-interfaces): Rename to...
  (network-interface-names): ... this.
  (all-network-interfaces): Rename to...
  (all-network-interface-names): ... this.
* gnu/services/networking.scm (dhcp-client-service): Adjust accordingly.
* tests/syscalls.scm ("all-network-interfaces"): Rename to...
  ("all-network-interface-names"): ... this, and adjust accordingly.
  ("network-interfaces"): Rename to...
  ("network-interface-names"): ... this, and adjust accordingly.

doc: Make "Application Setup" more prominent.

* doc/guix.texi (Binary Installation): Add reference to "Application Setup".

gnu: bedtools: Update to 2.24.0.

* gnu/packages/bioinformatics.scm (bedtools): Update to 2.24.0.

gnu: e2fsprogs: Update to 1.42.13.

* gnu/packages/linux.scm (e2fsprogs): Update to 1.42.13.  Change the source
  URI to use the .tar.xz file from kernel.org.

gnu: Add liblxqt.

* gnu/packages/lxqt.scm (liblxqt): New variable.