diff -r 14482ca89223 -r 47fa028d40b3 configure.ac
--- a/configure.ac	Fri Aug 14 14:54:39 2009 +0100
+++ b/configure.ac	Tue Aug 18 14:11:42 2009 +0100
@@ -22,6 +22,17 @@
 esac
 AM_CONDITIONAL(WHELK_MINGW,[test -n "$host_mingw"])
 
+# libtool versioning - this applies to all libraries in this package
+#
+# See http://sources.redhat.com/autobook/autobook/autobook_91.html#SEC91 for details
+#
+LT_CURRENT=1
+LT_REVISION=0
+LT_AGE=1
+AC_SUBST(LT_CURRENT)
+AC_SUBST(LT_REVISION)
+AC_SUBST(LT_AGE)
+
 ##################################################
 # Checks for programs.
 ##################################################