gnu: extremetuxracer: Update to 0.7.3.

* gnu/packages/games.scm (extremetuxracer): Update to 0.7.3.
[inputs]: Remove freetype, mesa, libice, libpng, sdl, sdl-mixer,
sdl-image, libsm, libunwind, libx11, libext, libxi, libxmu, libxt, tcl,
zlib; add sfml.
[arguments]: Remove field.

gnu: sfml: Install pkgconfig files.

* gnu/packages/game-development.scm (sfml)[arguments]: Add configure
flag to install pkgconfig files.

gnu: artanis: Remove implied $(DESTDIR) usage.

* gnu/packages/patches/artanis-fix-Makefile.in.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register patch.
* gnu/packages/guile.scm (artanis)[source]: Use patch.
[arguments]: Remove DESTDIR from #:make-flags.

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

gnu: node: Update to 6.8.0.

Remove <https://debbugs.gnu.org/23744> and
<https://debbugs.gnu.org/23723> workaround.

* gnu/packages/node.scm (node): Update to 6.8.0.
  (node)[arguments]: Disabled more tests. Remove custom 'patch-shebangs'
  phase. Manually patch npm script shebang in new 'patch-npm-shebang'
  phase.
* gnu/packages/patches/node-9077.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add patches.

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

gnu: ruby-json-pure: Fix tests.

* gnu/packages/ruby.scm (ruby-json-pure)[arguments]: Remove unneeded
reference to 'json-java.gemspec' in 'Gemfile'.

gnu: bundler: Update to 1.13.5.

* gnu/packages/ruby.scm (bundler): Update to 1.13.5.

gnu: Add geierlein.

* gnu/packages/finance.scm (geierlein): New variable.

gnu: Add sslh.

* gnu/packages/networking.scm (sslh): New variable.

gnu: httping: Update to 2.5.

* gnu/packages/networking.scm (httping): Update to 2.5.

gnu: Add fbida.

* gnu/packages/pdf.scm (fbida): New variable.

import: utils: Remove dependency on (json) module.

This fixes a regression introduced by commit
fbe9c1012820ab72f022a6ec958c35b431ae7a74.

* guix/import/utils.scm: Remove unused (json) module.

gnu: hdf4: Fix non-x86 architectures.

* gnu/packages/patches/hdf4-architectures.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register patch.
* gnu/packages/maths.scm (hdf4)[source]: Add patch.

gnu: certbot, python-acme: Update to 0.9.3.

These packages should be updated together.

* gnu/packages/tls.scm (certbot): Update to 0.9.3.
[source]: Use pypi-uri.
(python-acme, python2-acme): Update to 0.9.3.
[source]: Use pypi-uri.

gnu: python-dnspython: Update to 0.15.0.

* gnu/packages/python.scm (python-dnspython, python2-dnspython): Update
to 0.15.0.

gnu: python-werkzeug: Update to 0.11.11.

* gnu/packages/python.scm (python-werkzeug, python2-werkzeug):
Update to 0.11.11.

gnu: python-pyopenssl: Update to 16.1.0.

* gnu/packages/python.scm (python-pyopenssl, python2-pyopenssl): Update
to 16.1.0
[source]: Use pypi-uri.

gnu: python-pyasn1: Update to 0.1.9.

* gnu/packages/python.scm (python-pyasn1, python2-pyasn1): Update to 0.1.9.
[source]: Use pypi-uri.

gnu: Add python-whoosh.

* gnu/packages/python.scm (python-whoosh, python2-whoosh): New variables.

gnu: Add arm-none-eabi-toolchain variants.

* gnu/packages/embedded.scm (arm-none-eabi-toolchain): New procedure.
(arm-none-eabi-toolchain-4.9, arm-none-eabi-nano-toolchain-4.9,
arm-none-eabi-toolchain-6, arm-none-eabi-nano-toolchain-6): New
variables.

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

gnu: Add arm-none-eabi-gcc-6.

* gnu/packages/embedded.scm (gcc-arm-none-eabi-6): New variable.
* gnu/packages/patches/gcc-6-arm-none-eabi-multilib.patch: New file.
* gnu/packages/patches/gcc-6-cross-environment-variables.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add the patches.