packages: Have `package-derivation' return a <derivation> as a second value.
* 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: mit-krb5: Patch and enable tests.
* gnu/packages/mit-krb5.scm (mit-krb5): Enable patched tests.
doc: Run `useradd -g guix-builder -G guix-builder'.
* doc/guix.texi (Setting Up the Daemon): Add `-G guix-builder' when
invoking `useradd'.
Suggested by Aleix Conchillo Flaqué <aconchillo@gmail.com>.
gnu: screen: correct license to gpl2+
* gnu/packages/screen.scm (screen): correct license field
Add GNU Screen.
* gnu/packages/screen.scm: New file.
* Makefile.am (MODULES): Add it.
build: Use "nix-instantiate" as the default name for that program.
* configure.ac: Have `NIX_INSTANTIATE' default to `nix-instantiate'.
gnu: lout: Add missing dependency on Ghostscript.
* gnu/packages/lout.scm (lout): Add GHOSTSCRIPT as an input. Use a
mirror:// URL.
gnu: freetype: Avoid license/package name clash.
* gnu/packages/freetype.scm: Use a renamer for (guix licenses), to avoid
a name clash.
distro: glib: Run the test suite; add DBus.
* 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: Add GLib.
* distro/packages/glib.scm: New file.
* Makefile.am (MODULES): Add it.
gnu: libtiff: Add zlib support.
* gnu/packages/libtiff.scm (libtiff): Add input zlib.
gnu: Add libxml2.
* gnu/packages/xml.scm (libxml2): New variable.
gnu: Add GNU Ghostscript and its dependencies libpaper and lcms.
* gnu/packages/ghostscrip.scm: New file.
* Makefile.am (MODULES): Add it.
gnu: Add Freetype.
licenses: Add freetype license.
* gnu/packages/freetype.scm: New file.
* guix/licenses.scm (freetype): New variable.
* Makefile.am (MODULES): Add freetype.scm.
gnu: ddrescue: Fix 'synopsis' and 'description'.
* gnu/packages/ddrescue.scm (ddrescue): Fix 'synopsis' and 'description'.
gnu: Add GNU Speex.
* gnu/packages/oggvorbis.scm (speex): Add it.
(vorbis-tools): Add 'speex' to 'inputs'.
gnu: Amended previous patch.
* Makefile.am (MODULES): Add libpng.scm.
gnu: Add libpng.
* gnu/packages/libpng.scm: New file.
* Makefile.am (MODULES): Add it.
licenses: Add 'vim'.
* guix/licenses.scm (vim): New variable.