[glibmm] configure: Require the latest libsigc++.

[Murray Cumming <murrayc src gnome org>]

commit e2ebf97d199babebf8b576cd09f49578aeca50b3
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Aug 22 12:21:00 2011 +0200

    configure: Require the latest libsigc++.
    
    * configure.ac: Because our tests require it.

 ChangeLog    |    6 ++++++
 configure.ac |    2 +-
 2 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index efc12be..8ff64fb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2011-08-22  Murray Cumming  <murrayc murrayc com>
+
+	configure: Require the latest libsigc++.
+
+	* configure.ac: Because our tests require it.
+
 2011-08-03  Murray Cumming  <murrayc murrayc com>
 
 	giomm: Application: local_command_line_vfunc(): Use references for parameters.
diff --git a/configure.ac b/configure.ac
index b8c3ad6..cd57348 100644
--- a/configure.ac
+++ b/configure.ac
@@ -63,7 +63,7 @@ AS_IF([test "x$enable_static" = xyes],
 
 glibreq='2.0 >= 2.29.8'
 
-GLIBMM_MODULES="sigc++-2.0 >= 2.0 glib-$glibreq gobject-$glibreq gmodule-$glibreq"
+GLIBMM_MODULES="sigc++-2.0 >= 2.0.10 glib-$glibreq gobject-$glibreq gmodule-$glibreq"
 GIOMM_MODULES="$GLIBMM_MODULES gio-$glibreq"
 test "x$glibmm_host_windows" = xyes || GIOMM_MODULES="$GIOMM_MODULES gio-unix-$glibreq"