gnu: libxvmc: Fix CVE-2016-7953.

* gnu/packages/patches/libxvmc-CVE-2016-7953.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/xorg.scm (libxvmc)[replacement]: New field.
(libxvmc/fixed): New variable.

gnu: libxv: Fix CVE-2016-5407.

* gnu/packages/patches/libxv-CVE-2016-5407.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/xorg.scm (libxv)[replacement]: New field.
(libxv/fixed): New variable.

gnu: libxtst: Fix CVE-2016-{7951,7952}.

* gnu/packages/patches/libxtst-CVE-2016-7951-CVE-2016-7952.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/xorg.scm (libxtst)[replacement]: New field.
(libxtst/fixed): New variable.

gnu: libxrender: Fix CVE-2016-{7949,7950}.

* gnu/packages/patches/libxrender-CVE-2016-7949.patch,
gnu/packages/patches/libxrender-CVE-2016-7950.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
* gnu/packages/xorg.scm (libxrender)[replacement]: New field.
(libxrender/fixed): New variable.

gnu: libxrandr: Fix CVE-2016-{7947,7948}.

* gnu/packages/patches/libxrandr-CVE-2016-7947-CVE-2016-7948.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/xorg.scm (libxrandr)[replacement]: New field.
(libxrandr/fixed): New variable.

gnu: libxi: Fix CVE-2016-{7945,7946}.

* gnu/packages/patches/libxi-CVE-2016-7945-CVE-2016-7946.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/xorg.scm (libxi)[replacement]: New field.
(libxi/fixed): New variable.

gnu: libxfixes: Fix CVE-2016-7944.

* gnu/packages/patches/libxfixes-CVE-2016-7944.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/xorg.scm (libxfixes)[replacement]: New field.
(libxfixes/fixed): New variable.

gnu: libx11: Fix CVE-2016-{7942,7943}.

* gnu/packages/patches/libx11-CVE-2016-7942.patch,
gnu/packages/patches/libx11-CVE-2016-7943.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
* gnu/packages/xorg.scm (libx11)[replacement]: New field.
(libx11/fixed): New variable.

Update e-mail address for ng0.

* .mailmap: Add new entries for ng0.

gnu: Remove lispf4.

The package in its current state is unusable and documentation with unclear
licenses is included.

Also, the file 'lispf42.c' (and possible others) is generated C code and
thus not "source code" as we define it.

* gnu/packages/lisp.scm (lispf4): Delete variable.

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

gnu: btrfs-progs: Update to 4.8.

* gnu/packages/linux.scm (btrfs-progs): Update to 4.8.

gnu: libass: Update to 0.13.4 [fixes CVE-2016-{7969,7970,7972}.

* gnu/packages/video.scm (libass): Update to 0.13.4.

gnu: gnucash: Update to 2.6.14.

* gnu/packages/gnucash.scm (gnucash): Update to 2.6.14.

gnu: Add sunxi-tools.

* gnu/packages/admin.scm (sunxi-tools): New variable.

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

gnu: Add Vc.

* gnu/packages/maths.scm (vc): New variable.

gnu: wordnet: Make sure the self-reference is visible to the GC.

Before that, "guix gc --references $(guix build wordnet)" would not show
WordNet itself, erroneously so.

* gnu/packages/wordnet.scm (wordnet)[arguments]: Add -fno-builtin-strcpy
  to #:configure-flags.

gnu: wordnet: Compile with optimizations.

* gnu/packages/wordnet.scm (wordnet)[arguments]: Add -O2 to
  #:configure-flags.

gnu: Add hyperrogue.

* gnu/packages/games.scm (hyperrogue): New variable.

gnu: grub: Make dependency on mdadm explicit.

* gnu/packages/grub.scm (grub)[arguments]: Path getroot.c in
'patch-stuff' phase.
[inputs]: Add MDADM.

gnu: gsl: Disable failing tests on i686.

* gnu/packages/patches/gsl-test-i686.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/maths.scm (gsl)[source](patches): New field.