Vaucanson 1.1 (July 30th, 2007)


Revision as of 17:38, 6 November 2014 by Bot (talk | contribs) (Fix vcsn urls)
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Do not download this version: it won't compile. Please head over to Vaucanson 1.1.1.

The Vcsn library is free software. It is distributed under the conditions of the GNU General Public License ( since release 0.7.1, and under the conditions of GNU Lesser General Public License for previous releases.


User visible changes


  • Various optimizations and bug fixes.


  • Bug fixes and I/O optimizations.


  • I/O improvements.
 More informations on updates are provided in the NEWS file of the package.


C++ compiler
g++ 3.[34], 4.1 or ICC 9
The XML I/O system is based on the use of the Apache Xerces C++ library version 2.3.* (
The display of automata is made using AT&T Graphviz library.
Boost provides free peer-reviewed portable C++ source libraries.
required if you want to generate to documentation.

Known Problems

Vaucanson is known not to work properly with Apple's G++ 4.0.0 on Tiger. Actually, it seems that it is G++ 4.0.0 which is known not to work properly: other library face similar issues. We don't know how to solve the problem, avoid it by specifying another compiler. For instance

./configure CC=gcc-3.3 CXX=g++-3.3

Vaucanson works properly with Apple's G++ 4.0.1 though.