gnu: Add perl-sys-cpu. * gnu/packages/perl.scm (perl-sys-cpu): New variable.
gnu: Add perl-regexp-common. * gnu/packages/perl.scm (perl-regexp-common): New variable.
gnu: Add perl-getopt-tabular. * gnu/packages/perl.scm (perl-getopt-tabular): New variable.
gnu: Add perl-file-which. * gnu/packages/perl.scm (perl-file-which): New variable.
gnu: Add perl-test-script. * gnu/packages/perl.scm (perl-test-script): New variable.
gnu: Add perl-ipc-run3. * gnu/packages/perl.scm (perl-ipc-run3): New variable.
gnu: Add perl-probe-perl. * gnu/packages/perl.scm (perl-probe-perl): New variable.
gnu: Add perl-exporter-lite. * gnu/packages/perl.scm (perl-exporter-lite): New variable.
gnu: Add perl-benchmark-timer. * gnu/packages/perl.scm (perl-benchmark-timer): New variable.
gnu: Add delta. * gnu/packages/debug.scm: New file. * gnu-system.am (GNU_SYSTEM_MODULES): Add it.
gnu: Add astyle. * gnu/packages/pretty-print.scm (astyle): New variable.
gnu: gobject-introspection: Define search path for typelib files. * gnu/packages/glib.scm (gobject-introspection): Add 'native-search-paths' and 'search-paths' fields.
gnu: gobject-introspection: Update to 1.42.0 and add new patch. * gnu/packages/glib.scm (gobject-introspection): Update to version 1.42.0. Add patch 'gobject-introspection-absolute-shlib-path.patch' provided by Luca Bruno <lucabru@src.gnome.org> for Nix.
gnu: Add pycparser. * gnu/packages/python.scm (python-pycparser, python2-pycparser): New variables.
gnu: Add slock. * gnu/packages/dwm.scm (slock): New variable. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
gnu: add msmtp * gnu/packages/mail.scm (msmtp): New variable. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
gnu: libwnck: Propagate inputs. * gnu/packages/gnome.scm (libwnck, libwnck-1): Propagate inputs libxres and startup-notification.
gnu: Add libwnck. * gnu/packages/gnome.scm (libwnck, libwnck-1): New variables.
gnu: Add startup-notification. * gnu/packages/xdisorg.scm (startup-notification): New variable.
gnu: Add socat. * gnu/packages/socat.scm: New file. * gnu-system.am (GNU_SYSTEM_MODULES): Add it.