Make listg the default graph implementation, since we now know

that bmig is slower.

* configure.ac (ac_default_graph_impl): Make listg the default.
* doc/README.txt: Adjust documentation of --default-graph-impl.

ChangeLog

+2009-06-05  Alexandre Duret-Lutz  <adl@lrde.epita.fr>
+
+	Make listg the default graph implementation, since we now know
+	that bmig is slower.
+
+	* configure.ac (ac_default_graph_impl): Make listg the default.
+	* doc/README.txt: Adjust documentation of --default-graph-impl.
+
 2009-05-26  Alexandre Duret-Lutz  <adl@lrde.epita.fr>
 	* configure.ac: Bump version to 1.3.0a.

configure.ac

@@ -25,10 +25,10 @@ AC_CONFIG_HEADERS([config.h:config.hin] [include/vaucanson/config/pconf.hh])
 
 # Check the default graph implementation near the top, this way we can
 # quickly react to incorrect values.
-ac_default_graph_impl=bmig
+ac_default_graph_impl=listg
 AC_ARG_WITH([default-graph-impl],
   [AC_HELP_STRING([--with-default-graph-impl@<:@=IMPL@:>@],
-     [choose default graph implementation: bmig (default) or listg])],
+     [choose default graph implementation: listg (default) or bmig])],
      [ac_default_graph_impl="$withval"],[])
 
 AC_DEFINE_UNQUOTED([VCSN_DEFAULT_GRAPH_IMPL], [$ac_default_graph_impl],

doc/README.txt

@@ -98,9 +98,9 @@ To specify a special path for the Boost-C++ library::
 Vaucanson can use two graph implementations: ``listg`` is a
 representation based on adjacency lists, while ``bmig`` is a
 representation using Boost Multi-Index containers.  The default
-implementation is ``bmig`` and you can select the other with::
+implementation is ``listg`` and you can select the other with::
 
-	./configure --default-graph-impl=listg
+	./configure --default-graph-impl=bmig
 
 For further configure options, type::