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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.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 cflow)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix licenses)
+  #:use-module (gnu packages emacs))
+
+(define-public cflow
+  (package
+    (name "cflow")
+    (version "1.4")
+    (source (origin
+             (method url-fetch)
+             (uri (string-append "mirror://gnu/cflow/cflow-"
+                                 version ".tar.bz2"))
+             (sha256
+              (base32
+               "1jkbq97ajcf834z68hbn3xfhiz921zhn39gklml1racf0kb3jzh3"))))
+    (build-system gnu-build-system)
+    (home-page "http://www.gnu.org/software/cflow/")
+    (synopsis "A tool to analyze the control flow of C programs")
+    (description
+     "GNU cflow analyzes a collection of C source files and prints a
+graph, charting control flow within the program.
+
+GNU cflow is able to produce both direct and inverted flowgraphs
+for C sources.  Optionally a cross-reference listing can be
+generated.  Two output formats are implemented: POSIX and GNU
+(extended).
+
+The package also provides Emacs major mode for examining the
+produced flowcharts in Emacs.")
+   (license gpl3+)))