gnu: Add rrdtool.

* gnu/packages/rrdtool.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

gnu-system.am

@@ -207,6 +207,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/rdf.scm				\
   gnu/packages/readline.scm			\
   gnu/packages/recutils.scm			\
+  gnu/packages/rrdtool.scm			\
   gnu/packages/rsync.scm			\
   gnu/packages/rush.scm				\
   gnu/packages/samba.scm			\

gnu/packages/rrdtool.scm

@@ -0,0 +1,75 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2014 Mark H Weaver <mhw@netris.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages rrdtool)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages groff)
+  #:use-module (gnu packages python)
+  #:use-module (gnu packages fontutils)
+  #:use-module (gnu packages glib)
+  #:use-module (gnu packages gtk)
+  #:use-module (gnu packages xml))
+
+(define-public rrdtool
+  (package
+    (name "rrdtool")
+    (version "1.4.8")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "http://oss.oetiker.ch/rrdtool/pub/rrdtool-"
+                                  version ".tar.gz"))
+              (sha256
+               (base32
+                "1mpki7pv5ql73h5al04dps6dky0nqc3mmb8ac21hd2s8mbsvk5fy"))))
+    (build-system gnu-build-system)
+    (inputs `(("cairo" ,cairo)
+              ("glib" ,glib)
+              ("gtk" ,gtk+-2)
+              ("pango" ,pango)
+              ("freetype" ,freetype)
+              ("libxml2" ,libxml2)
+              ("python" ,python-2)))
+    (native-inputs `(("pkg-config" ,pkg-config)
+                     ("groff" ,groff)))
+    (arguments
+     '(#:phases (alist-cons-before
+                 'configure 'pre-configure
+                 (lambda _
+                   (substitute* "libtool"
+                     (("/bin/sed") (which "sed")))
+                   (substitute* "src/Makefile.in"
+                     (("^rrdcached_LDADD = librrd_th.la")
+                      "rrdcached_LDADD = librrd_th.la -lglib-2.0")))
+                 %standard-phases)))
+    (home-page "http://oss.oetiker.ch/rrdtool/")
+    (synopsis "Time-series data storage and display system")
+    (description
+     "The Round Robin Database Tool (RRDtool) is a system to store and display
+time-series data (e.g. network bandwidth, machine-room temperature, server
+load average).  It stores the data in Round Robin Databases (RRDs), a very
+compact way that will not expand over time.  RRDtool processes the extracted
+data to enforce a certain data density, allowing for useful graphical
+representation of data values.")
+    (license license:gpl2+))) ; with license exception that allows combining
+                              ; with many other licenses.