-AC_PREFIX_DEFAULT([/usr/local])
-if test "$prefix" = "NONE"; then
- prefix=$ac_default_prefix
- ac_configure_args="$ac_configure_args --prefix $prefix"
-fi
+dnl Making releases:
+dnl OB_MICRO_VERSION += 1;
+dnl OB_INTERFACE_AGE += 1;
+dnl OB_BINARY_AGE += 1;
+dnl if any functions have been added, set OB_INTERFACE_AGE to 0.
+dnl if backwards compatibility has been broken,
+dnl set OB_BINARY_AGE and OB_INTERFACE_AGE to 0.
+dnl
+dnl if MAJOR or MINOR version changes, be sure to change AC_INIT above to match
+dnl
+OB_MAJOR_VERSION=3
+OB_MINOR_VERSION=3
+OB_MICRO_VERSION=4
+OB_INTERFACE_AGE=0
+OB_BINARY_AGE=4
+OB_VERSION=$OB_MAJOR_VERSION.$OB_MINOR_VERSION
+
+AC_SUBST(OB_MAJOR_VERSION)
+AC_SUBST(OB_MINOR_VERSION)
+AC_SUBST(OB_MICRO_VERSION)
+AC_SUBST(OB_INTERFACE_AGE)
+AC_SUBST(OB_BINARY_AGE)
+AC_SUBST(OB_VERSION)
+
+dnl Libtool versioning
+LT_RELEASE=$OB_MAJOR_VERSION.$OB_MINOR_VERSION
+LT_CURRENT=`expr $OB_MICRO_VERSION - $OB_INTERFACE_AGE`
+LT_REVISION=$OB_INTERFACE_AGE
+LT_AGE=`expr $OB_BINARY_AGE - $OB_INTERFACE_AGE`
+LT_CURRENT_MINUS_AGE=`expr $LT_CURRENT - $LT_AGE`