* gnu/system/vm.scm (expression->derivation-in-linux-vm): Add
  #:memory-size parameter, defaulting to 256 (QEMU defaults to 128.)

* gnu/system/linux-initrd.scm (gnu-system-initrd): Add #:mounts
  argument.

* gnu/system/vm.scm (expression->derivation-in-linux-vm): Change #:qemu
  to default to QEMU-HEADLESS.  Use "-net nic,model=virtio".  Remove
  "-net user,smb=..." and add "-virtfs" options.  Change default initrd
  to include two 9p mounts.

* gnu/packages/qemu.scm (qemu-headless): Upgrade to 1.7.1.
  [source]: Remove 'patches' field.
  [arguments]: Add --enable-virtfs configure flag.
  [inputs]: Add libcap and attr.
* gnu/packages/patches/qemu-make-4.0.patch: Remove.
* gnu-system.am (dist_patch_DATA): Adjust accordingly.

* gnu/packages/maths.scm (lapack) [arguments]: New post-installation
  phase to augment the rpath of installed libraries.

* gnu/packages/man.scm (help2man): New variable.
* gnu/packages/help2man.scm: Delete it.
* gnu/packages/cdrom.scm: Import (gnu packages man).
* gnu/packages/zile.scm: Import (gnu packages man).
* gnu-system.am (GNU_SYSTEM_MODULES): Delete 'gnu/packages/help2man.scm'.

* gnu/packages.man.scm (man-db): New variable.

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

* guix/scripts/system.scm (%options): Add --image-size.
  (%default-options): Add 'image-size'.
  (guix-system)[parse-options]: Handle the 'vm-image' action.
  Honor them.
  (show-help): Update accordingly.
* doc/guix.texi (Invoking guix system): Add 'vm-image'.

* guix/scripts/gc.scm (size->number): Remove.
* guix/ui.scm (size->number): New procedure.
* tests/ui.scm ("size->number, bytes",
  "size->number, MiB", "size->number, GiB", "size->number, 1.2GiB",
  "size->number, invalid unit"): New tests.

* gnu/packages/cdrom.scm (dvdisaster)[arguments]: Add #:parallel-build? #f.

* guix/scripts/offload.scm (remove-gc-root): Rename to...
  (remove-gc-roots): ... this.
  [builder]: Use 'scandir' and remove all the files starting with
  %GC-ROOT-FILE.
  (transfer-and-offload): Adjust to renaming; remove
  'false-if-exception' wraps.

* gnu/packages/openssl.scm (openssl): Upgrade to 1.0.1g (for
  CVE-2014-0160, <http://www.openssl.org/news/secadv_20140407.txt>.)

* guix/scripts/offload.scm (register-gc-root): Call 'leave' when
  'close-pipe' returns non-zero.

* gnu/packages/patchutils.scm: New file
* gnu/packages/patches/patchutils-xfail-gendiff-tests.patch: New patch
* gnu-system.am (GNU_SYSTEM_MODULES): Add patchutils.
  (dist_patch_DATA): Add patch.

* gnu/packages/patches/python-fix-tests.patch: disable two failing tests on
  MIPS64.

* gnu/packages/patches/python-libffi-mips-n32-fix.patch: New file.
* gnu/packages/python.scm (python-2, python): Add it.
* gnu-system.am (dist_patch_DATA): Add it.

* gnu/packages/linux.scm (linux-libre): Update to 3.13.7.

* gnu/packages/python.scm (python): Upgrade to 3.3.5.

* gnu/packages/patches/python-fix-tests.patch: disable a failing test.

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

* gnu/packages/maths.scm (lapack) [arguments]: Add -DBUILD_SHARED_LIBS to
  #:configure-flags

* gnu/packages/fltk.scm (fltk) [arguments]: Add to --enable-shared to
  #:configure-flags

Partially fixes <http://bugs.gnu.org/17212>.

* guix/utils.scm (errno): Move definition of 'bv' outside of the
  procedure.  Use 'bytevector-s32-native-ref' or
  'bytevector-s64-native-ref' instead of 'bytevector-sint-ref'.

Partially fixes <http://bugs.gnu.org/17212>.

* tests/utils.scm ("fcntl-flock wait", "fcntl-flock non-blocking"): Open
  files in binary mode, with no buffering.

* gnu/packages/admin.scm (shadow)[arguments]: Add 'reset-timestamps'
  phase.

* Makefile.am (pkgdata_DATA): Rename to...
  (dist_pkgdata_DATA): ... this.

* gnu/packages/scheme.scm (bigloo): Description: Remove the part about the C#
  connection which has been removed since release 3.8a.

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

* gnu/packages/scheme.scm (hop): Add missing space.

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

Problem reported by John Darrington <john@darrington.wattle.id.au>.

* guix/nar.scm (write-file): Filter out "." and ".." from the result of
  'scandir'.  Previously we did this by passing a suitable predicate.

* gnu/packages/gnuzilla.scm (icecat): Remove duplicate PYTHON-2 input,
  and extraneous 'native-inputs' field.

Co-authored-by: Ludovic Courtès <ludo@gnu.org>

* gnu/services/xorg.scm (xinitrc): New procedure.
  (slim-service)[slim.cfg]: Use it as the 'login_cmd'.

* gnu/packages/linux.scm (linux-libre): Append all configuration instead of
  replacing.  Order configuration like "make oldconfig" output.  Remove
  useless output.

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

* gnu/packages/gnunet.scm (gnunet): Synchronize description and synopsis
  with upstream.
* gnu/packages/maths.scm (units): Likewise.
* gnu/packages/grub.scm (grub): Likewise.
* gnu/packages/pretty-print.scm (enscript): Likewise.

* build-aux/hydra/gnu-system.scm (qemu-jobs)[->alist]: Return the
  derivation file name, not the derivation.

* gnu/packages/imagemagick.scm (imagemagick): Upgrade to 6.8.8-10.

* gnu/packages/mail.scm (mailutils): Use Readline 6.2.

* gnu/packages/sqlite.scm (sqlite): Upgrade to 3.8.4.3.