gnu: Add sfarkxtc.

* gnu/packages/compression.scm (sfarkxtc): New variable.

gnu: Add sfarklib.

* gnu/packages/compression.scm (sfarklib): New variable.

gnu: Add libtar.

* gnu/packages/compression.scm (libtar): New variable.

Merge branch 'master' into core-updates

gnu: sharutils: Update to 4.15.2.

* gnu/packages/compression.scm (sharutils): Update to 4.15.2.

Merge branch 'master' into gtk-rebuild

Conflicts:
	gnu/packages/gtk.scm

gnu: sharutils: Correct source hash.

This is a followup to 512da657d747ab157f8ca49442e67bd7452ba676.

* gnu/packages/compression.scm (sharutils): Correct source hash.

gnu: sharutils: Update to 4.15.1.

* gnu/packages/compression.scm (sharutils): Update to 4.15.1.

gnu: Adjust latest perl modules to new 'modify-phases' syntax.

* gnu/packages/compression.scm (perl-compress-raw-zlib)[arguments]:
  Add missing quotes, as needed since commit f8503e2.
* gnu/packages/perl.scm (perl-ipc-run)[arguments]: Likewise.
* gnu/packages/xml.scm (perl-xml-sax)[arguments]: Likewise.

gnu: Add IO-Compress.

* gnu/packages/compression.scm (perl-io-compress): New variable.

gnu: Add Compress-Raw-Zlib.

* gnu/packages/compression.scm (perl-compress-raw-zlib): New variable.

gnu: Add Compress-Raw-Bzip2.

* gnu/packages/compression.scm (perl-compress-raw-bzip2): New
  variable.

Merge branch 'master' into core-updates

gnu: Update packages to use 'non-copyleft' instead of 'bsd-style'.

* gnu/packages/avr.scm, gnu/packages/compression.scm,
  gnu/packages/curl.scm, gnu/packages/cyrus-sasl.scm,
  gnu/packages/databases.scm, gnu/packages/firmware.scm,
  gnu/packages/flex.scm, gnu/packages/fontutils.scm,
  gnu/packages/gd.scm, gnu/packages/ghostscript.scm,
  gnu/packages/gnunet.scm, gnu/packages/graphics.scm,
  gnu/packages/hugs.scm, gnu/packages/image.scm,
  gnu/packages/linux.scm, gnu/packages/mail.scm,
  gnu/packages/maths.scm, gnu/packages/mit-krb5.scm,
  gnu/packages/python.scm, gnu/packages/rdf.scm,
  gnu/packages/ssh.scm, gnu/packages/tcl.scm,
  gnu/packages/xdisorg.scm, gnu/packages/xiph.scm,
  gnu/packages/yasm.scm, gnu/packages/zip.scm: Use 'non-copyleft'
  instead of 'bsd-style'.

gnu: Move 'which' to (gnu packages base).

* gnu/packages/which.scm: Remove.
* gnu-system.am (GNU_SYSTEM_MODULES): Remove it.
* gnu/packages/base.scm (which): New variable.
* gnu/packages/aspell.scm, gnu/packages/audio.scm,
  gnu/packages/autogen.scm, gnu/packages/cdrom.scm,
  gnu/packages/compression.scm, gnu/packages/datamash.scm,
  gnu/packages/games.scm, gnu/packages/glib.scm,
  gnu/packages/gnu-pw-mgr.scm, gnu/packages/gnutls.scm,
  gnu/packages/gps.scm, gnu/packages/guile.scm,
  gnu/packages/java.scm, gnu/packages/libevent.scm,
  gnu/packages/linux.scm, gnu/packages/lisp.scm,
  gnu/packages/node.scm, gnu/packages/ntp.scm,
  gnu/packages/orpheus.scm, gnu/packages/pciutils.scm,
  gnu/packages/python.scm, gnu/packages/qt.scm,
  gnu/packages/rsync.scm, gnu/packages/sawfish.scm,
  gnu/packages/scheme.scm, gnu/packages/ssh.scm,
  gnu/packages/statistics.scm, gnu/packages/texlive.scm,
  gnu/packages/wdiff.scm: Adjust accordingly.

gnu: sharutils: Update to 4.15.

* gnu/packages/compression.scm (sharutils): Update to 4.15.

Merge branch 'master' into core-updates

gnu: Add libmspack.

* gnu/packages/compression.scm (libmspack): New variable.

Merge branch 'core-updates'

Conflicts:
	gnu/packages/bootstrap.scm

gnu: Remove a bunch of now unneeded '--mandir' configure flags.

This has become redundant with the 'validate-documentation-location'
phase introduced in commit d68fe74.

* gnu/packages/compression.scm (bzip2): Remove 'fix-man-dir' phase.
* gnu/packages/ncurses.scm (ncurses)[arguments]: Remove --mandir.
* gnu/packages/pth.scm (pth)[arguments]: Remove #:configure-flags.
* gnu/packages/tcl.scm (tcl)[arguments]: Likewise.
* gnu/packages/xiph.scm (flac)[arguments]: Likewise.