gnu: Add python2-tracing.

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

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: Add python2-ttystatus.

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

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: Add python2-cliapp.

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

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: python-numpy-documentation: Use full git commit hash in submodule.

* gnu/packages/python.scm (python-numpy-documentation,
python2-numpy-documentation)[native-inputs]: Update hash of
SCIPY-SPHINX-THEME. Fix indentation of a line.

gnu: Remove obsolete numpy comment.

* gnu/packages/python.scm: Remove comment.

gnu: inetutils: Disable parallel tests.

* gnu/packages/admin.scm (inetutils)[arguments]: Add #:parallel-tests? #f.

gnu: python-pandas: Really fix build on 32bit.

* gnu/packages/patches/python-pandas-skip-failing-tests.patch: Fix confusion
with same-named test.

hydra: Really disable 32-to-64-bit cross-builds.

Fixes <http://bugs.gnu.org/26022>.
Reported by Efraim Flashner <efraim@flashner.co.il>.

* build-aux/hydra/gnu-system.scm (hydra-jobs)[cross-jobs](from-32-to-64?):
Check whether TARGET contains "64" rather than checking whether TARGET
ends in "64", which is rarely the case.
(same?): Add special case for armhf-linux.

gexp: Expose functions to allow creating derivation builders.

* guix/gexp.scm: Add load-path-expression and gexp-modules to the public
  interface of the module.  See <http://bugs.gnu.org/26023>.

gnu: Add rsnapshot.

* gnu/packages/backup.scm (rsnapshot): New variable.

gnu: python-fake-factory: Add back missing patch file.

This reverts the removal of "python-fake-factory-fix-build-32bit.patch"
by commit ce7911ddae5d30ba73c8c9552b7d4e71268e5db3.

* gnu/packages/patches/python-fake-factory-fix-build-32bit.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

gnu: inetutils: Set the $localstatedir.

This is a followup to commit 6f5d28f9d05aaa9743b3aac6bceb2c6323122d2d.

* gnu/packages/admin.scm (inetutils)[arguments]: Pass
'--localstatedir=/var' to #:configure-flags.

gnu: icecat: Add fixes from upstream Firefox ESR 45.8.0.

Includes fixes for CVE-2017-5398, CVE-2017-5400, CVE-2017-5401, CVE-2017-5402,
CVE-2017-5404, CVE-2017-5405, CVE-2017-5407, CVE-2017-5408, CVE-2017-5409, and
CVE-2017-5410.

* gnu/packages/gnuzilla.scm (icecat)[source]: Add selected fixes from the
upstream mozilla-esr45 repository.

gnu: icecat: Update to 45.7.0-gnu1.

* gnu/packages/gnuzilla.scm (icecat): Update to 45.7.0-gnu1.  Remove patches
included in 45.7.0.

utils: Use an idiom compatible with both 2.0 and 2.2.

Fixes a regression introduced in 7447aa36e16fb77f75df4d3369db9c942615632e.
Reported by Ricardo Wurmus.

* guix/utils.scm: Revert 7447aa36e16fb77f75df4d3369db9c942615632e.  Use
  #:prefix for (ice-9 iconv) to support both 2.0 and 2.2.

gnu: r: Remove obsolete configure flags.

* gnu/packages/statistics.scm (r)[arguments]: Remove obsolete configure flags.

gnu: r: Update to 3.3.3.

* gnu/packages/statistics.scm (r): Update to 3.3.3.

gnu: Add lensfun.

* gnu/packages/photo.scm (lensfun): New variable.

utils: Make sure to use the right 'bytevector->string'.

In Guile 2.2, (rnrs io ports) exports 'bytevector->string', which
conflicts with that of (ice-9 iconv).

* guix/utils.scm: Hide 'bytevector->string' from (rnrs io ports).

packages: Use PACKAGE@VERSION syntax when reporting ambiguities.

* gnu/packages.scm (%find-package): Upon ambiguity, use the
PACKAGE@VERSION syntax instead of 'package-full-name'.