Index: trunk/FACT++/configure
===================================================================
--- trunk/FACT++/configure	(revision 19212)
+++ trunk/FACT++/configure	(revision 19213)
@@ -21642,5 +21642,5 @@
 
 if test "x$want_boost" = "xyes"; then
-    boost_lib_version_req=1.40
+    boost_lib_version_req=1.47
     boost_lib_version_req_shorten=`expr $boost_lib_version_req : '\([0-9]*\.[0-9]*\)'`
     boost_lib_version_req_major=`expr $boost_lib_version_req : '\([0-9]*\)'`