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Latest News Approved
Version 1.6
     posted by gray, Sat 23 Feb 2019 12:54:03 PM UTC

Version 1.6 is available for download. New in this version:

New option --all (-A)

Produce graphs for all global functions in the program.  Use this
option if your program contains functions which are not directly [...]

Version 1.5 available
     posted by gray, Mon 16 May 2016 09:39:12 PM UTC

GNU cflow version 1.5 is available for download.

Changes in this release:

  • Correctly handle functions returning struct/union (fixes bug #31792)
  • Gracefully handle invalid inputs (fixes bug #44113)
  • Debugging output goes to stderr
  • Add a manpage
  • Consistent use of exit codes
Version 1.4 released
     posted by gray, Tue 11 Oct 2011 09:08:54 PM UTC

GNU cflow version 1.4 is available for download.

The most important changes in this version are:

  • Symbol aliases
  • New syntactic class: qualifiers
  • Speed up recursive call detection.
  • Fix parsing of typedefs after struct.
  • Fix the output of branch marks in tree mode.
  • Fix processing of static inline functions (RH bug 650716).
GNU cflow 1.3 released
     posted by gray, Sat 11 Jul 2009 08:40:02 PM UTC

GNU cflow 1.3 is available for download from  Compared with the previous release, this version offers a considerable performance gain.

GNU cflow 1.2 (GPLv3)
     posted by gray, Fri 29 Jun 2007 08:55:53 PM UTC

GNU cflow 1.2 was released today.  Starting from this release, the package is licensed under the GNU General Public License version 3.

GNU cflow 1.1 available
     posted by gray, Sun 09 Jul 2006 08:47:45 AM UTC - 2 replies

The version 1.1 is a maintenance release fixing bugs found so far. It is available from, and from the mirrors worldwide (see, for the list). [...]

Cflow 1.0 available from main GNU ftp.
     posted by gray, Thu 13 Oct 2005 04:40:10 PM UTC

Cflow 1.0 is now available from

Cflow 1.0 released
     posted by gray, Wed 12 Oct 2005 02:26:38 PM UTC

GNU cflow version 1.0 is finally released. It is available for download from Soon it should appear on main GNU ftp ( as well.

New cflow version available.
     posted by gray, Sat 08 Oct 2005 05:20:42 AM UTC

The stable release (v 1.0) is coming soon, the only obstacle to it is of pure organisational nature. Meanwhile, I have released
version 0.2.4 of GNU cflow. It is available from This version fixes some bugs in the parser and POSIX output. It features also some improvements in the documentation. In particular, it explains how to use GNU cflow with cflow2vcg utility.

Cflow Documentation Avaiable
     posted by gray, Mon 26 Sep 2005 10:42:41 AM UTC

Complete cflow documentation is available at

New alpha release is available for download from

Older News Approved
Home page and mailing list posted by gray, Fri 22 Apr 2005 08:57:08 AM UTC
Cflow moved to posted by gray, Thu 21 Apr 2005 11:44:37 AM UTC
cflow has been dubbed GNU package. posted by gray, Wed 13 Apr 2005 10:20:10 AM UTC

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