-AC_PREFIX_DEFAULT([/usr/local])
-if test "$prefix" = "NONE"; then
- prefix=$ac_default_prefix
- ac_configure_args="$ac_configure_args --prefix $prefix"
-fi
+dnl Making releases:
+dnl RR_MICRO_VERSION += 1;
+dnl RR_INTERFACE_AGE += 1;
+dnl R_BINARY_AGE += 1;
+dnl if any functions have been added, set RR_INTERFACE_AGE to 0.
+dnl if backwards compatibility has been broken,
+dnl set RR_BINARY_AGE and RR_INTERFACE_AGE to 0.
+dnl
+dnl if MAJOR or MINOR version changes, be sure to change AC_INIT above to match
+dnl
+RR_MAJOR_VERSION=4
+RR_MINOR_VERSION=0
+RR_MICRO_VERSION=17
+RR_INTERFACE_AGE=0
+RR_BINARY_AGE=0
+RR_VERSION=$RR_MAJOR_VERSION.$RR_MINOR_VERSION
+
+OBT_MAJOR_VERSION=4
+OBT_MINOR_VERSION=0
+OBT_MICRO_VERSION=0
+OBT_INTERFACE_AGE=0
+OBT_BINARY_AGE=0
+OBT_VERSION=$OBT_MAJOR_VERSION.$OBT_MINOR_VERSION
+
+AC_SUBST(RR_MAJOR_VERSION)
+AC_SUBST(RR_MINOR_VERSION)
+AC_SUBST(RR_MICRO_VERSION)
+AC_SUBST(RR_INTERFACE_AGE)
+AC_SUBST(RR_BINARY_AGE)
+AC_SUBST(RR_VERSION)
+AC_SUBST(OBT_MAJOR_VERSION)
+AC_SUBST(OBT_MINOR_VERSION)
+AC_SUBST(OBT_MICRO_VERSION)
+AC_SUBST(OBT_INTERFACE_AGE)
+AC_SUBST(OBT_BINARY_AGE)
+AC_SUBST(OBT_VERSION)