* gnu/packages/pdf.scm (poppler): Add Cairo and GLib as inputs.

* gnu/packages/python.scm (python2-dogtail): New variable.

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

* gnu/packages/patches/cmake-fix-tests.patch: Update to work with -p1.
* gnu/packages/cmake.scm (cmake): Drop patch flag -p0.

* gnu/packages/maths.scm (gsl): Update to 1.16, disable parallel tests
    leading to a failure in vector.

* gnu/packages/gtk.scm (gtk+): Update to 3.10.1, drop no longer needed
    configure flag.

* gnu/packages/qemu.scm (qemu/smb-shares): Turn 'patches' into a list.

* gnu/packages/algebra.scm (gp2c): New variable.

* gnu/packages/qt.scm (qt-4): New variable.
* gnu/packages/patches/qt4-tests.patch: New file, patch dropping tests
    requiring a running X server.

* gnu/packages/version-control.scm (mercurial): New variable.

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

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

* gnu/packages/patches/valgrind-glibc.patch: update it.

* gnu/packages/linux.scm (linux-libre-headers):
  When (%current-target-system) is true, pass it as the argument to
  'build-phase'.  This fixes cross-compilation.
  Reported by Mark H. Weaver <mhw@netris.org>.

* gnu/packages/pulseaudio.scm (pavucontrol): New variable.

* gnu/packages/qt.scm (qt): Propagate input mesa.

* gnu/packages/qt.scm (qt): Add configure flags to disable machine specific
    instructions.

* gnu/packages/qt.scm (qt): Add input pulseaudio.

* gnu/packages/gtk.scm (atk)[synopsis]: Fix typo.
  (pangomm, atkmm, gtkmm): New variables.

* gnu/packages/algebra.scm,
  gnu/packages/aspell.scm,
  gnu/packages/autotools.scm,
  gnu/packages/base.scm,
  gnu/packages/bash.scm,
  gnu/packages/bison.scm,
  gnu/packages/cdrom.scm,
  gnu/packages/cflow.scm,
  gnu/packages/compression.scm,
  gnu/packages/cpio.scm,
  gnu/packages/cppi.scm,
  gnu/packages/ddrescue.scm,
  gnu/packages/dejagnu.scm,
  gnu/packages/ed.scm,
  gnu/packages/emacs.scm,
  gnu/packages/fdisk.scm,
  gnu/packages/freeipmi.scm,
  gnu/packages/gawk.scm,
  gnu/packages/gcal.scm,
  gnu/packages/gcc.scm,
  gnu/packages/gdb.scm,
  gnu/packages/gdbm.scm,
  gnu/packages/gettext.scm,
  gnu/packages/ghostscript.scm,
  gnu/packages/global.scm,
  gnu/packages/gnunet.scm,
  gnu/packages/gnupg.scm,
  gnu/packages/gnutls.scm,
  gnu/packages/gperf.scm,
  gnu/packages/gprolog.scm,
  gnu/packages/groff.scm,
  gnu/packages/grub.scm,
  gnu/packages/gsasl.scm,
  gnu/packages/guile.scm,
  gnu/packages/gv.scm,
  gnu/packages/help2man.scm,
  gnu/packages/idutils.scm,
  gnu/packages/indent.scm,
  gnu/packages/less.scm,
  gnu/packages/libidn.scm,
  gnu/packages/libsigsegv.scm,
  gnu/packages/libunistring.scm,
  gnu/packages/lightning.scm,
  gnu/packages/linux.scm,
  gnu/packages/lsh.scm,
  gnu/packages/m4.scm,
  gnu/packages/mail.scm,
  gnu/packages/maths.scm,
  gnu/packages/multiprecision.scm,
  gnu/packages/nano.scm,
  gnu/packages/ncurses.scm,
  gnu/packages/nettle.scm,
  gnu/packages/ocrad.scm,
  gnu/packages/oggvorbis.scm,
  gnu/packages/parted.scm,
  gnu/packages/plotutils.scm,
  gnu/packages/pth.scm,
  gnu/packages/readline.scm,
  gnu/packages/recutils.scm,
  gnu/packages/rush.scm,
  gnu/packages/scheme.scm,
  gnu/packages/screen.scm,
  gnu/packages/shishi.scm,
  gnu/packages/smalltalk.scm,
  gnu/packages/system.scm,
  gnu/packages/texinfo.scm,
  gnu/packages/time.scm,
  gnu/packages/unrtf.scm,
  gnu/packages/version-control.scm,
  gnu/packages/wdiff.scm,
  gnu/packages/wget.scm,
  gnu/packages/which.scm,
  gnu/packages/xnee.scm,
  gnu/packages/zile.scm: Change value of the 'description' field to that
  of the Womb.

* gnu/packages/apr.scm,
  gnu/packages/autotools.scm,
  gnu/packages/avahi.scm,
  gnu/packages/cdrom.scm,
  gnu/packages/cmake.scm,
  gnu/packages/cpio.scm,
  gnu/packages/cross-base.scm,
  gnu/packages/emacs.scm,
  gnu/packages/flex.scm,
  gnu/packages/fontutils.scm,
  gnu/packages/glib.scm,
  gnu/packages/grub.scm,
  gnu/packages/guile.scm,
  gnu/packages/idutils.scm,
  gnu/packages/libevent.scm,
  gnu/packages/linux.scm,
  gnu/packages/mail.scm,
  gnu/packages/make-bootstrap.scm,
  gnu/packages/mp3.scm,
  gnu/packages/oggvorbis.scm,
  gnu/packages/pdf.scm,
  gnu/packages/plotutils.scm,
  gnu/packages/qemu.scm,
  gnu/packages/recutils.scm,
  gnu/packages/rush.scm,
  gnu/packages/scheme.scm,
  gnu/packages/system.scm,
  gnu/packages/tcsh.scm,
  gnu/packages/valgrind.scm,
  gnu/packages/vpn.scm,
  gnu/packages/w3m: Use the 'patches' field of <origin> instead of
  adding a patch as input plus using #:patches.

* gnu/packages/qt.scm (qt): New variable.

* gnu/packages/gtk.scm (cairomm): New variable.

* gnu/packages/linux.scm (alsa-utils): New variable.

* gnu/packages/xml.scm (xmlto): Add 'arguments' field.
  [inputs]: Add libxml2 and libxslt.

* gnu/packages/base.scm (linux-libre-headers-boot0): Turn into a thunk.
  User updated.

* gnu/packages/algebra.scm (pari-gp): Update to 2.5.5.

* gnu/packages/mail.scm (mutt): Add input gpgme.

* gnu/packages/gnupg.scm (gpgme): New variable.

* gnu/packages/icu4c.scm (icu4c): Elf-patch RUNPATH of libraries, for instance
    of libicuuc.so.

* gnu/packages/cdrom.scm (cdparanoia): Use patchelf to link internal libraries
    into binary.

* gnu/packages/glib.scm (libsigc++, glibmm): New variable.

* gnu/packages/glib.scm: Export 'gobject-instrospection' via the
  #:export clause.

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

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

* gnu/packages/oggvorbis.scm (ao): Add PulseAudio as an input.

* gnu/packages/oggvorbis.scm: Use #:export clause instead of
  'define-public'.

* gnu/packages/pulseaudio.scm (pulseaudio): Add dependency on libcap.

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

* gnu/packages/gnupg.scm (gnupg): Update to 2.0.22. This release fixes
  security issue CVE-2013-4402 in the OpenPGP packet parser.

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

* gnu/packages/algebra.scm (fftw): New variable.