gnu: Add alsa-utils.

* gnu/packages/linux.scm (alsa-utils): New variable.

gnu: Add libcap.

* gnu/packages/linux.scm (libcap): New variable.

gnu: module-init-tools: Remove reference to unavailable man page tarball.

Fixes <http://bugs.gnu.org/15187>.
Reported by Mark H. Weaver <mhw@netris.org>.

* gnu/packages/linux.scm (module-init-tools): Remove reference to
  Gentoo's pre-built man pages and 'unpack-man-pages' phase.  Add
  'fake-docbook' phases.

gnu: Add net-tools.

* gnu/packages/linux.scm (net-tools): New variable.

Merge branch 'master' into core-updates

gnu: Move helper code to (gnu system …) modules.

* gnu/packages/grub.scm (<menu-entry>, grub-configuration-file): Move
  to...
* gnu/system/grub.scm: ... here.  New file.
* gnu/packages/linux.scm (<pam-service>, <pam-entry>,
  pam-service->configuration, pam-service->directory,
  %pam-other-services, unix-pam-service): Move to...
* gnu/system/linux.scm: ... here.  New file.
* gnu/system/vm.scm (passwd-file): Move to...
* gnu/system/shadow.scm: ... here.  New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add
  gnu/system/{grub,linux,shadow}.scm.

gnu: linux-pam: Add declarative PAM service interface.

* gnu/packages/linux.scm (<pam-service>, <pam-entry>): New record
  types.
  (pam-service->configuration, pam-services->directory,
  unix-pam-service): New procedures.
  (%pam-other-services): New variable.

Merge branch 'master' into core-updates

gnu: linux-libre: Upgrade to 3.11.

* gnu/packages/linux.scm (linux-libre): Upgrade to 3.11.  Add bc as an
  input.

gnu: linux-pam: Install headers under $includedir/security.

* gnu/packages/linux.scm (linux-pam): Add `--includedir' configure flag.

gnu: linux-libre: Add alternate URLs.

Fixes <http://bugs.gnu.org/14851>.
Reported by Andreas Enge <andreas@enge.fr>.

* gnu/packages/linux.scm (linux-libre-urls): New procedure.
  (linux-libre-headers, linux-libre): Use it.

Merge branch 'core-updates'

build-system/gnu: Unify with (guix build-system gnu-cross-build).

* guix/build/gnu-build-system.scm (set-paths): Add `native-inputs' and
  `native-search-paths' keyword parameters.  Honor them.
  (configure): Add `target' and `native-inputs' keyword parameters.
  Look for Bash in NATIVE-INPUTS or INPUTS.  Pass `--host' when TARGET
  is true.
  (strip): Add `strip-command' keyword parameter.  Use it.
* guix/build/gnu-cross-build.scm: Remove.
* Makefile.am (MODULES): Adjust accordingly.
* gnu/packages/acl.scm, gnu/packages/attr.scm, gnu/packages/base.scm,
  gnu/packages/bash.scm, gnu/packages/gawk.scm,
  gnu/packages/gettext.scm, gnu/packages/guile.scm,
  gnu/packages/libffi.scm, gnu/packages/libsigsegv.scm,
  gnu/packages/linux.scm, gnu/packages/ncurses.scm,
  gnu/packages/readline.scm, guix/build-system/gnu.scm: Replace
  `%standard-cross-phases' by `%standard-phases'.  Remove references
  to (guix build gnu-cross-build).

Merge branch 'master' into core-updates

Conflicts:
	gnu/packages/make-bootstrap.scm

gnu: Add Linux iproute2.

* gnu/packages/bdb.scm (bdb): Add `--enable-compat185'.
* gnu/packages/linux.scm (iproute): New variable.

gnu: Add iptables.

* gnu/packages/linux.scm (iptables): New variable.

gnu: linux-libre-headers: Allow cross-compilation.

* gnu/packages/linux.scm (linux-libre-headers): Use (guix build
  gnu-cross-build) and %standard-cross-phases when cross-compiling.

gnu: Add ALSA-lib; use it.

* gnu/packages/linux.scm (alsa-lib): New variable.
* gnu/packages/oggvorbis.scm (ao): Add ALSA-lib as an input.

gnu: Add strace.

* gnu/packages/linux.scm (strace): New variable.

gnu: Improve synopses for Linux-related packages.

* gnu/packages/linux.scm (util-linux, procps, e2fsprogs): Clarify and
  shrink synopses.