gnu: telepathy-glib: Enable vala bindings.

* gnu/packages/glib.scm (telepathy-glib)[arguments]: Add --enable-vala-bindings
to #:configure-flags.
[native-inputs]: Add vala.

Merge branch 'gnome-updates'

Revert "Revert "Merge branch 'gnome-updates'""

This reverts commit e969b140a4382fd91514439a57749379cf00f86b.

Revert "Merge branch 'gnome-updates'"

This reverts commit 63655d459e28b09cd8d58743dae14b3460f6c9da, reversing
changes made to 80627f51f0238b9450745f4e642172d059ca5bb5.

Merge branch 'gnome-updates'

glib: Fix tests.

* gnu/packages/glib.scm (glib)[arguments]: Disable the "/application/local-actions"
test in 'disable-failing-tests' phase.

gnu: python-pygobject: Update to 3.20.0.

* gnu/packages/glib.scm (python-pygobject): Update to 3.20.0.

gnu: glibmm: Update to 2.48.1.

* gnu/packages/glib.scm (glibmm): Update to 2.48.1.

gnu: libsigc++: Update to 2.8.0.

* gnu/packages/glib.scm (libsigc++): Update to 2.8.0.

gnu: gobject-introspection: Update to 1.48.0.

* gnu/packages/glib.scm (gobject-introspection): Update to 1.48.0.

gnu: glib: Update to 2.48.0.

* gnu/packages/glib.scm (glib): Update to 2.48.0.
[propagated-inputs]: New field with pcre.

gnu: glib: Disable tests in build phases instead of patches.

* gnu/packages/glib.scm (glib)[sources]: Remove glib-tests-desktop.patch,
glib-tests-prlimit.patch and glib-tests-gapplicatiotn.patch.
[arguments]: Add 'disable-falling-tests' phase.
* gnu/packages/patches/glib-tests-timer.patch: Adjust accordingly.
* gnu/packages/patches/glib-tests-desktop.patch,
  gnu/packages/patches/glib-tests-gapplication.patch,
  gnu/packages/patches/glib-tests-prlimit.patch: Remove files.
* gnu-system.am (dist_patch_DATA): Remove them.

gnu: glib: Drop glib-tests-homedir.patch.

* gnu/packages/glib.scm (glib)[source]: Remove glib-tests-homedir.patch.
[arguments]: Set HOME and disable '/gdbus/codegen-peer-to-peer' test.
* gnu/packages/patches/glib-tests-homedir.patch: Remove file.
* gnu-system.am (dist_patch_DATA): Remove it.

gnu: glib: Use modify-phases syntax.

* gnu/packages/glib.scm (glib)[arguments]: Use 'modify-phases'.

gnu: dbus: Update to 1.10.8.

* gnu/packages/glib.scm (dbus): Update to 1.10.8.

gnu: gobject-introspection: Remove cairo from inputs.

It's only for testing and tests are disabled.  Remove it will allow
building poppler with gobject-introspection.

* gnu/packages/glib.scm (gobject-introspection)[inputs]: Remove cairo.

gnu: packages: Use 'search-patches' everywhere.

* gnu/packages/abiword.scm: Use 'search-patches' for 'patches' field.
* gnu/packages/acl.scm: Likewise.
* gnu/packages/admin.scm: Likewise.
* gnu/packages/algebra.scm: Likewise.
* gnu/packages/animation.scm: Likewise.
* gnu/packages/apr.scm: Likewise.
* gnu/packages/audacity.scm: Likewise.
* gnu/packages/audio.scm: Likewise.
* gnu/packages/autotools.scm: Likewise.
* gnu/packages/avahi.scm: Likewise.
* gnu/packages/backup.scm: Likewise.
* gnu/packages/base.scm: Likewise.
* gnu/packages/bash.scm: Likewise.
* gnu/packages/bioinformatics.scm: Likewise.
* gnu/packages/cdrom.scm: Likewise.
* gnu/packages/ci.scm: Likewise.
* gnu/packages/cmake.scm: Likewise.
* gnu/packages/cpio.scm: Likewise.
* gnu/packages/cross-base.scm: Likewise.
* gnu/packages/dico.scm: Likewise.
* gnu/packages/doxygen.scm: Likewise.
* gnu/packages/ebook.scm: Likewise.
* gnu/packages/elf.scm: Likewise.
* gnu/packages/emacs.scm: Likewise.
* gnu/packages/engineering.scm: Likewise.
* gnu/packages/firmware.scm: Likewise.
* gnu/packages/flashing-tools.scm: Likewise.
* gnu/packages/fltk.scm: Likewise.
* gnu/packages/ftp.scm: Likewise.
* gnu/packages/games.scm: Likewise.
* gnu/packages/gawk.scm: Likewise.
* gnu/packages/gcc.scm: Likewise.
* gnu/packages/gd.scm: Likewise.
* gnu/packages/ghostscript.scm: Likewise.
* gnu/packages/glib.scm: Likewise.
* gnu/packages/gnome.scm: Likewise.
* gnu/packages/gnucash.scm: Likewise.
* gnu/packages/gnunet.scm: Likewise.
* gnu/packages/gnupg.scm: Likewise.
* gnu/packages/gnuzilla.scm: Likewise.
* gnu/packages/graphics.scm: Likewise.
* gnu/packages/grub.scm: Likewise.
* gnu/packages/gtk.scm: Likewise.
* gnu/packages/guile.scm: Likewise.
* gnu/packages/icu4c.scm: Likewise.
* gnu/packages/idutils.scm: Likewise.
* gnu/packages/image.scm: Likewise.
* gnu/packages/imagemagick.scm: Likewise.
* gnu/packages/irc.scm: Likewise.
* gnu/packages/ldc.scm: Likewise.
* gnu/packages/libcanberra.scm: Likewise.
* gnu/packages/libevent.scm: Likewise.
* gnu/packages/libreoffice.scm: Likewise.
* gnu/packages/libunwind.scm: Likewise.
* gnu/packages/libusb.scm: Likewise.
* gnu/packages/linux.scm: Likewise.
* gnu/packages/lirc.scm: Likewise.
* gnu/packages/llvm.scm: Likewise.
* gnu/packages/lsh.scm: Likewise.
* gnu/packages/lua.scm: Likewise.
* gnu/packages/lxqt.scm: Likewise.
* gnu/packages/mail.scm: Likewise.
* gnu/packages/maths.scm: Likewise.
* gnu/packages/mcrypt.scm: Likewise.
* gnu/packages/messaging.scm: Likewise.
* gnu/packages/mit-krb5.scm: Likewise.
* gnu/packages/mp3.scm: Likewise.
* gnu/packages/multiprecision.scm: Likewise.
* gnu/packages/music.scm: Likewise.
* gnu/packages/ninja.scm: Likewise.
* gnu/packages/nvi.scm: Likewise.
* gnu/packages/ocaml.scm: Likewise.
* gnu/packages/orpheus.scm: Likewise.
* gnu/packages/ots.scm: Likewise.
* gnu/packages/parallel.scm: Likewise.
* gnu/packages/patchutils.scm: Likewise.
* gnu/packages/pcre.scm: Likewise.
* gnu/packages/pdf.scm: Likewise.
* gnu/packages/perl.scm: Likewise.
* gnu/packages/plotutils.scm: Likewise.
* gnu/packages/polkit.scm: Likewise.
* gnu/packages/pulseaudio.scm: Likewise.
* gnu/packages/python.scm: Likewise.
* gnu/packages/qemu.scm: Likewise.
* gnu/packages/qt.scm: Likewise.
* gnu/packages/ratpoison.scm: Likewise.
* gnu/packages/rdf.scm: Likewise.
* gnu/packages/readline.scm: Likewise.
* gnu/packages/rush.scm: Likewise.
* gnu/packages/scheme.scm: Likewise.
* gnu/packages/screen.scm: Likewise.
* gnu/packages/sdl.scm: Likewise.
* gnu/packages/slim.scm: Likewise.
* gnu/packages/ssh.scm: Likewise.
* gnu/packages/tcl.scm: Likewise.
* gnu/packages/tcsh.scm: Likewise.
* gnu/packages/texinfo.scm: Likewise.
* gnu/packages/tls.scm: Likewise.
* gnu/packages/tor.scm: Likewise.
* gnu/packages/tv.scm: Likewise.
* gnu/packages/valgrind.scm: Likewise.
* gnu/packages/version-control.scm: Likewise.
* gnu/packages/video.scm: Likewise.
* gnu/packages/vpn.scm: Likewise.
* gnu/packages/vtk.scm: Likewise.
* gnu/packages/w3m.scm: Likewise.
* gnu/packages/web.scm: Likewise.
* gnu/packages/wicd.scm: Likewise.
* gnu/packages/wm.scm: Likewise.
* gnu/packages/xdisorg.scm: Likewise.
* gnu/packages/xfce.scm: Likewise.
* gnu/packages/xiph.scm: Likewise.
* gnu/packages/xml.scm: Likewise.
* gnu/packages/xorg.scm: Likewise.
* gnu/packages/zip.scm: Likewise.

Merge branch 'security-updates'

gnu: dbus: Incorporate "dbus-helper-search-path.patch".

* gnu/packages/glib.scm (dbus)[source]: Apply
"dbus-helper-search-path.patch".
(dbus/activation): Remove.
* gnu/services/dbus.scm (<dbus-configuration>)[dbus]: Default to DBUS.
(dbus-service): Likewise.

gnu: python-pygobject: Propagate glib and libffi.

* gnu/packages/glib.scm (python-pygobject): Move glib and libffi to propagated-inputs.
(python2-pygobject)[inputs]: Remove glib and libffi.