gnu: eudev: Add pre-build phase.

* gnu/packages/linux.scm (eudev): Add 'pre-build phase to fix compilation with
  'gobject-introspection' 1.42.0.

gnu: eudev: Update to 2.1.1.

* gnu/packages/linux.scm (eudev): Update to 2.1.1.

gnu: linux-libre: Update to 3.18.3

* gnu/packages/linux.scm (linux-libre): Update to version 3.18.3.

gnu: e2fsck-static: Use really statically-linked executables.

* gnu/packages/linux.scm (e2fsprogs/static): New variable.
  (e2fsck/static): Use it in 'inputs'.

Merge branch 'core-updates'

Conflicts:
	gnu/packages/bootstrap.scm

gnu: Add zerofree.

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

gnu: e2fsprogs: Install libext2fs.

* gnu/packages/linux.scm (e2fsprogs)[source]: Add 'snippet'.
  [arguments]: Add --enable-elf-shlibs to #:configure-flags.
  Add #:make-flags.

gnu: wireless-tools: Describe it as deprecated.

* gnu/packages/linux.scm (wireless-tools)[description]: Explain that it
  is deprecated in favor of 'iw'.

Merge branch 'master' into core-updates

gnu: Add iw.

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

gnu: libnl: Update to 3.2.25.

* gnu/packages/linux.scm (libnl): Update to 3.2.25.

Merge branch 'master' into core-updates

gnu: linux-libre: Update to 3.18.2

* gnu/packages/linux.scm (linux-libre): Update to version 3.18.2.

gnu: udev: Remove package, now superceded by eudev.

* gnu/packages/linux.scm (udev): Remove.
  (eudev): Incorporate fields formerly inherited from udev.

gnu: lvm2: Switch to eudev from udev.

* gnu/packages/linux.scm (lvm2)[inputs]: Use eudev, not udev.

gnu: Revert use of '--strip-all'.

This reverts commits f05bdc9412135f34a1c417edc203c35cd005d0d5
and 856ae5e6c71a1283a414d33e638051f95d3cce35.

This broke all sorts of things.  See <http://hydra.gnu.org/eval/102058>,
for example.

build-system/gnu: Strip with '--strip-all' instead of '--strip-debug'.

This saves 19% on the 'bin' directory of Coreutils, and certainly
helpful for things like Git's 'libexec' directory.

* guix/build-system/gnu.scm (gnu-build): Change default value for
  #:strip-flags to '("--strip-all").
* guix/build/gnu-build-system.scm (strip): Ditto.
* gnu/packages/linux.scm (linux-libre)[arguments]: Add #:strip-flags.

gnu: Use patch --force instead of --batch.

* gnu/packages/linux.scm (linux-libre, net-tools): Pass "--force" to patch,
  instead of "--batch".
* gnu/packages/mit-krb5.scm (mit-krb5): Ditto.

Merge branch 'master' into core-updates

gnu: linux-libre: Update to 3.18.1

* gnu/packages/linux.scm (linux-libre): Update to version 3.18.1.