* gnu/packages/autotools.scm (autoconf-wrapper): New variable.
  (automake): Use AUTOCONF-WRAPPER instead of AUTOCONF.
  Add `automake-skip-amhello-tests.patch' as an input.
  Add #:patches and #:phases arguments.
* gnu/packages/patches/automake-skip-amhello-tests.patch: New file.
* Makefile.am (dist_patch_DATA): Add it.

* guix/packages.scm (package-derivation)[expand-input]: Remove redundant
  test when the input is a procedure.

* HACKING (The Perfect Setup): New section.

* gnu/packages/emacs.scm (geiser): New variable.

* gnu/packages/gnutls.scm: Remove import of (gnu packages base).

* gnu/packages/groff.scm: New file.
* Makefile.am (MODULES): Add it.

* gnu/packages/ghostscript.scm (psutils): New variable.

* gnu/packages/netpbm.scm: New file.
* Makefile.am (MODULES): Add it.

* gnu/packages/patches/libevent-dns-tests.patch: New file.
* Makefile.am (dist_patch_DATA): Add it.

* HACKING (When the platform is supported by Nixpkgs): Update the example.

* gnu/packages/tor.scm: New file.
* Makefile.am (MODULES): Add it.

* NEWS: Update.

* gnu/packages/libevent.scm: New file.
* Makefile.am (MODULES): Add it.

* guix/build/download.scm: Autoload (gnutls).
  (tls-wrap): New procedure.
  (open-connection-for-uri): Add support for `https'.  Wrap the socket
  with `tls-wrap' in that case.
  (url-fetch): Add `https'.
* guix/download.scm (gnutls-derivation): New procedure.
  (url-fetch)[need-gnutls?]: New variable.
  Call `gnutls-derivation' when NEED-GNUTLS? is true, and add its output
  to the `GUILE_LOAD_PATH' env. var. in that case.

* guix/packages.scm (cache): Change the `drv' argument to `thunk'.
  Memoize all the return values of THUNK.
  (cached-derivation): Remove.
  (cached): New macro.
  (package-derivation): Use `cached' instead of `(or (cached-derivation) …)'.
* doc/guix.texi (Defining Packages): Update accordingly.

* gnu/packages/mit-krb5.scm (mit-krb5): Enable patched tests.

* doc/guix.texi (Setting Up the Daemon): Add `-G guix-builder' when
  invoking `useradd'.
  Suggested by Aleix Conchillo Flaqué <aconchillo@gmail.com>.

* gnu/packages/screen.scm (screen): correct license field

* gnu/packages/screen.scm: New file.
* Makefile.am (MODULES): Add it.

* configure.ac: Have `NIX_INSTANTIATE' default to `nix-instantiate'.

* gnu/packages/lout.scm (lout): Add GHOSTSCRIPT as an input.  Use a
  mirror:// URL.

* gnu/packages/freetype.scm: Use a renamer for (guix licenses), to avoid
  a name clash.

* distro/packages/glib.scm: Rename to...
* gnu/packages/glib.scm: ... this.  Update module declaration
  accordingly.
  (dbus): New variable.
  (glib): Change version number to 2.34.3, and adjust URL accordingly.
  Add a "doc" output.  Add #:configure-flags, #:patches, and #:phases
  arguments. Add DBUS as an input, as well a three patches.
* Makefile.am (MODULES): Adjust to file renaming.
  (dist_patch_DATA): Add `glib-tests-timezone.patch',
  `glib-tests-homedir.patch', and `glib-tests-desktop.patch'.

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

* gnu/packages/libtiff.scm (libtiff): Add input zlib.

* gnu/packages/xml.scm (libxml2): New variable.

* gnu/packages/ghostscrip.scm: New file.
* Makefile.am (MODULES): Add it.

licenses: Add freetype license.

* gnu/packages/freetype.scm: New file.
* guix/licenses.scm (freetype): New variable.
* Makefile.am (MODULES): Add freetype.scm.

* gnu/packages/ddrescue.scm (ddrescue): Fix 'synopsis' and 'description'.

* gnu/packages/oggvorbis.scm (speex): Add it.
(vorbis-tools): Add 'speex' to 'inputs'.

* Makefile.am (MODULES): Add libpng.scm.

* gnu/packages/libpng.scm: New file.
* Makefile.am (MODULES): Add it.

* guix/licenses.scm (vim): New variable.

* gnu/packages/oggvorbis.scm: New file.
* Makefile.am (MODULES): Add it.

* gnu/packages/tcl.scm (tcl): Add a `tclsh' symlink.

* configure.ac: Bump version number.

* gnu/packages/scheme.scm (bigloo): Update to 4.0a.