gnu: python-requests-mock: Update to 1.0.0.

* gnu/packages/openstack.scm (python-requests-mock): Update to 1.0.0.
[inputs]: Remove python-setuptools. Move python-mock ...
[native-inputs]: ... to here.  Add python-discover, python-fixtures,
python-sphinx, python-testrepostory, python-testtools.
[properties]: Add python2-variant.
(python2-requests-mock): inherit stripped variant.
[native-inputs]: Use python2-setuptools.

Revert "gnu: gsl: Update to 2.2."

This reverts commit b16b16e6c2ba9780ebdf936c325e06ebcc0a950b.

Rationale: gsl-2.2 consistently fails its test suite on i686.  Inkscape
depends on gsl, and the grub background image is converted using
inkscape, so i686 systems can no longer be built.

gnu: dtc: Add missing symbols patch from debian.

* gnu/packages/u-boot.scm (dtc)[source]: Add patch.
* gnu/packages/patches/dtc-add-missing-symbols-to-lds.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

Signed-off-by: David Craven <david@craven.ch>

guix build: Rewrite '--with-input' in terms of 'package-input-rewriting'.

* guix/scripts/build.scm (transform-package-inputs): Rewrite in terms of
'package-input-rewriting'.

packages: Add 'package-input-rewriting'.

* guix/packages.scm (package-input-rewriting): New procedure.
* tests/packages.scm ("package-input-rewriting"): New test.
* doc/guix.texi (Defining Packages): Document it.
(Package Transformation Options): Add cross-reference.

gnu: Fix typo in description of xfce-desktop-service.

* gnu/services/desktop.scm (xfce-desktop-service) abilit --> ability.

gnu: Add rpcbind

* gnu/packages/onc-rpc.scm (rpcbind): New variable.

gnu: Add telepathy-mission-control.

* gnu/packages/freedesktop.scm (telepathy-mission-control): New variable.

gnu: Add u-boot.

* gnu/packages/u-boot.scm (u-boot, make-u-boot-package,
  u-boot-vexpress_ca9x4, u-boot-malta): New variables.

Co-authored-by: David Craven <david@craven.ch>

gnu: Add dtc.

* gnu/packages/u-boot.scm (dtc): New variable.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add file.

Co-authored-by: David Craven <david@craven.ch>

Update 'TODO'.

* TODO: Remove items about guix challenge & guix publish.

Signed-off-by: Vincent Legoll <vincent.legoll@gmail.com>
Signed-off-by: Ludovic Courtès <ludo@gnu.org>

Reinstate "services: elogind: Provide '%elogind-file-systems' by extension."

This reverts commit 17073dafc59d62fb8cbb8b94d61d3ecc488ac59f.

gnu: slim: Move to display-managers.scm.

* gnu/packages/display-managers.scm: New file.
* gnu/packages/slim.scm: Delete file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Adjust accordingly.
* gnu/services/xorg.scm: Likewise.

tests: hackage: Fix mock urls.

Followup to 18f747350437136b203ef6400176d1fb07b131ea.

* tests/hackage.scm (hackage->guix-package): Use 'https' in mock urls.

gnu: Fix typo in copyright notice in (gnu packages networking).

* gnu/packages/networking.scm: "Coypright" --> "Copyright".

gnu: icedtea-6: Update to 1.13.12 [security fixes].

Fixes CVE-2016-{3458,3485,3500,3508,3550,3606}.

* gnu/packages/java.scm (icedtea-6): Update to 1.13.12.
[source]: Remove 'icedtea-remove-overrides' patch.
[arguments]: Move ALSA header substitution to 'patch-paths' phase.
* gnu/packages/patches/icedtea-remove-overrides.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

gnu: rofi: Update to 1.2.0.

* gnu/packages/xdisorg.scm (rofi): Update to 1.2.0.
  [inputs]: Drop libx11 and add xcb-util-xrm.

Signed-off-by: Leo Famulari <leo@famulari.name>

gnu: Add xcb-util-xrm.

* gnu/packages/xdisorg.scm (xcb-util-xrm): New variable.

Signed-off-by: Leo Famulari <leo@famulari.name>

gnu: wcslib: Correct formatting and grammar.

* gnu/packages/astronomy.scm (wcslib): Minor whitespace and grammatical
changes.

gnu: bambam: Remove wrap-binary phase.

Functionality provided already by python-build-system.

* gnu/packages/games.scm (bambam)[arguments]: Remove 'wrap-binary phase.
[synopsis]: Capitalize first word.