distro: Add GDB.

* distro/packages/gdb.scm: New file.
* Makefile.am (MODULES): Add it.

distro: Add MySQL.

* distro/packages/mysql.scm: New file.
* Makefile.am (MODULES): Add it.

Merge branch 'core-updates'

Conflicts:
	guix/build/union.scm

distro: Add GNU Aspell.

* distro/packages/aspell.scm: New file.
* Makefile.am (MODULES): Add it.

distro: Add GNU GLOBAL.

* distro/packages/global.scm: New file.
* Makefile.am (MODULES): Add it.

distro: Add Tcl, Expect, and DejaGNU.

* distro/packages/dejagnu.scm, distro/packages/tcl.scm: New files.
* Makefile.am (MODULES): Add them.

Merge branch 'master' into core-updates

Conflicts:
	build-aux/download.scm
	distro/packages/autotools.scm
	distro/packages/base.scm
	distro/packages/bootstrap.scm
	distro/packages/lsh.scm
	distro/packages/make-bootstrap.scm
	distro/packages/ncurses.scm
	distro/packages/perl.scm
	tests/derivations.scm
	tests/union.scm

distro: Update bootstrap binaries to an nscd-less libc.

Update bootstrap binaries following changes in commit d3b5972 ("Build
glibc without nscd, and with static NSS modules.")

* Makefile.am (distro/packages/bootstrap/x86_64-linux/guile-2.0.7.tar.xz,
  distro/packages/bootstrap/i686-linux/guile-2.0.7.tar.xz): Update hashes.
* build-aux/download.scm (file-name->uri): Update URL.
* distro/packages/bootstrap.scm (%bootstrap-coreutils&co,
  %bootstrap-binutils, %bootstrap-glibc, %bootstrap-gcc): Update URLs
  and hashes.

Update license headers.

Change all license headers, except guix/build/* and ld-wrapper.scm, with
this code:

  (use-modules (guix build utils)
	       (srfi srfi-1))

  (fluid-set! %default-port-encoding "UTF-8")

  (substitute* (remove (lambda (f)
			 (or (string-contains f ".tar.")
			     (string-contains f ".git/")
			     (string-contains f ".so")
			     (string-suffix? ".o" f)
			     (string-suffix? ".a" f)
			     (string-suffix? ".go" f)
			     (string-suffix? ".pdf" f)
			     (string-suffix? ".png" f)
			     (string-suffix? ".info" f)
			     (equal? (basename f) "guix-daemon")
			     (equal? (basename f) "nix-setuid-helper")
			     (string-contains f "nix-upstream/")
			     (string-contains f "distro/packages/bootstrap/")))
		       (find-files "." "\\.[a-z]+$"))
    (("^([[:graph:]]+) This file is part of Guix." _ comment-start)
     (string-append comment-start " This file is part of GNU Guix."))
    (("^([[:graph:]]+) Guix --- Nix package management.*" _ comment-start)
     (string-append comment-start
		    " GNU Guix --- Functional package management for GNU\n"))
    (("^([[:graph:]]+) Guix is " _ comment-start)
     (string-append comment-start " GNU Guix is "))
    (("^([[:graph:]]+) along with Guix." _ comment-start)
     (string-append comment-start " along with GNU Guix."))
    (("^([[:graph:]]+) Copyright \\(C\\)" _ comment-start)
     (string-append comment-start " Copyright ©")))

Change headers using C-style comments manually.

Add `guix-gc'.

* guix-gc.in, tests/guix-gc.sh: New files.
* configure.ac: Output `guix-gc', and make it executable.
* Makefile.am (bin_SCRIPTS): Add `guix-gc'.
  (TESTS): Add `tests/guix-gc.sh'.
* doc/guix.texi (Features): Add xref to "Invoking guix-gc".
  (Invoking guix-gc): New node.
* po/POTFILES.in: Add `guix-gc.in'.

distro: Add Berkeley DB.

* distro/packages/bdb.scm: New file.
* Makefile.am (MODULES): Add it.

distro: Add OpenSSL.

* distro/packages/openssl.scm: New file.  `patch-tests' phase added by
  Ludovic Courtès.
* Makefile.am (MODULES): Add it.

distro: Add MIT Kerberos 5.

* distro/packages/mit-krb5.scm: New file.
* Makefile.am (MODULES): Add it.

distro: Add Libntlm, GNU GSS and GNU SASL.

* distro/packages/gsasl.scm: New file.
* Makefile.am (MODULES): Add it.

distro: Add GNU Libidn.

* distro/packages/libidn.scm: New file.
* Makefile.am (MODULES): Add it.

distro: Add GNU idutils.

* distro/packages/idutils.scm: New file.
* Makefile.am (MODULES): Add it.

distro: Add rsync.

* distro/packages/rsync.scm: New file.
* Makefile.am (MODULES): Add it.

distro: Add mpfrcx and fplll.

* distro/packages/algebra.scm: New file.
* Makefile.am (MODULES): Add it.

distro: Update bootstrap binaries.

Use bootstrap binaries that were generated with the `make-bootstrap'
changes introduced in previous commit.

* Makefile.am (nodist_bootstrap_x86_64_linux_DATA,
  nodist_bootstrap_i686_linux_DATA): Change Guile tarball name.
  (distro/packages/bootstrap/x86_64-linux/guile-2.0.7.tar.xz,
  distro/packages/bootstrap/i686-linux/guile-2.0.7.tar.xz): New targets.
  (distro/packages/bootstrap/x86_64-linux/guile-bootstrap-2.0.6.tar.xz,
  distro/packages/bootstrap/i686-linux/guile-bootstrap-2.0.6.tar.xz):
  Remove.
* build-aux/download.scm (file-name->uri): Use "20121219" directory.
* distro/packages/bootstrap.scm (%bootstrap-guile): Update file name.
  (%bootstrap-coreutils&co, %bootstrap-binutils, %bootstrap-glibc,
  %bootstrap-gcc): Update directory name and hashes.

distro: make-bootstrap: Have libc's functions search for `sh' in $PATH.

* distro/packages/make-bootstrap.scm (%glibc-with-relocatable-system,
  %standard-inputs-with-relocatable-glibc): New variables.
  (%static-inputs)[gawk]: Apply `gawk-shell.patch'.
  [finalize]: New procedure.
  Build all the packages against %STANDARD-INPUTS-WITH-RELOCATABLE-GLIBC.
  (%glibc-stripped): Inherit from %GLIBC-WITH-RELOCATABLE-SYSTEM.
  (%gcc-static, %guile-static): Build against
  %STANDARD-INPUTS-WITH-RELOCATABLE-GLIBC.
* distro/packages/patches/gawk-shell.patch,
  distro/packages/patches/glibc-bootstrap-system.patch: New files.
* Makefile.am (dist_patch_DATA): Add them.