gnu: openmpi: Description mentions MPI 3.0.

* gnu/packages/mpi.scm (openmpi): It's MPI 3, not MPI 2.

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

gnu: openmpi: Update to 1.10.7.

* gnu/packages/mpi.scm (openmpi): Update to 1.10.7.

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

hydra: Add 'guix.SYSTEM' jobs.

* build-aux/hydra/guix.scm (package->alist): Disable grafting.
(hydra-jobs): Return 'guix.SYSTEM' jobs in addition to 'tarball'.

hydra: Simplify 'tarball' job.

* build-aux/hydra/guix.scm (tarball-package): Remove.
(hydra-jobs): Use 'dist-package' instead of 'tarball-package'.

gnu: Add guile2.0-git.

* gnu/packages/guile.scm (guile2.0-git): New variable.

gnu: Add guile2.0-bytestructures.

* gnu/packages/patches/guile-bytestructures-name-clash.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/guile.scm (guile-bytestructures)[source]: Use it.
[arguments]: Unpack the source.
[native-inputs]: New field.
(guile2.0-bytestructures): New variable.

gnu: maxima: Ensure binutils are available at runtime.

* gnu/packages/maths.scm (maxima)[arguments]: Use modify-phases syntax.
Modify 'post-install' phase.

Revert "gnu: maxima: Ensure gcc is available at runtime."

This reverts commit f2fa86cc82b5941bde63b666337eea59aa609e55.
Commit 5ea8dbf0c906d51779ba0cf775ec9967f5f42382 fixes the underlying
issue in GNU Common Lisp.

gnu: gcl: Ensure gcc and binutils are available at runtime.

* gnu/packages/lisp.scm (gcl)[arguments]: Add -fgnu89-inline to CFLAGS.
Add GCC path to make-flags. Modify 'pre-conf' phase. Add 'wrap' phase.

gnu: webkitgtk: Update to 2.16.6 [security fixes].

Includes fixes for CVE-2017-7039, CVE-2017-7018, CVE-2017-7030, CVE-2017-7037,
CVE-2017-7034, CVE-2017-7055, CVE-2017-7056, CVE-2017-7064, CVE-2017-7061,
CVE-2017-7048, and CVE-2017-7046.

* gnu/packages/webkit.scm (webkitgtk): Update to 2.16.6.

system: Add a default '.guile' skeleton.

* gnu/system/shadow.scm (default-skeletons): Add ".guile".

Add 'guix weather'.

* guix/scripts/weather.scm: New file.
* Makefile.am (MODULES): Add it.
* doc/guix.texi (Substitutes, Invoking guix publish): Mention "guix
weather".
(Invoking guix weather): New node.

Co-authored-by: Ricardo Wurmus <rekado@elephly.net>

gnu: xterm: Update to 330.

* gnu/packages/xorg.scm (xterm): Update to 330.

gnu: dialog: Update to 1.3-20170509.

* gnu/packages/ncurses.scm (dialog): Update to 1.3-20170509.

gnu: opus: Update to 1.2.1.

* gnu/packages/xiph.scm (opus): Update to 1.2.1.
[source]: Use new source URL.

gnu: gnome: Add deja-dup.

* gnu/packages/gnome.scm (deja-dup): New variable.
* gnu/packages/patches/deja-dup-use-ref-keyword-for-iter.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add patch file entry.

import: cpan: Updater returns a list of URLs.

* guix/import/cpan.scm (latest-release): Return a list in the 'urls'
field of 'upstream-source'.

gnu: guix: Update snapshot.

* gnu/packages/package-management.scm (guix): Update to f1ddfe4.

gnu: python-flaky: Fix Texinfo markup in description.

* gnu/packages/python.scm (python-flaky)[description]: Escape "@".

gnu: isc-dhcp: Update bundled bind to 9.9.10-P3.

This fixes a regression introduced in the fix for CVE-2017-3142, in BIND
9.9.10-P2, commit ecb232bdfcb2718de5944bcf4d9c4e288ec41519.

See 'CHANGELOG' in the source distribution for more information.

* gnu/packages/admin.scm (isc-dhcp): Update bundled bind to 9.9.10-P3.