--- configure
+++ configure
@@ -7189,7 +7190,7 @@
       if test "$aix_use_runtimelinking" = yes; then
 	# Warning - without using the other runtime loading flags (-brtl),
 	# -berok will link without error, but may produce a broken library.
-	allow_undefined_flag='-berok'
+	no_undefined_flag=' ${wl}-bernotok'
        # Determine the default libpath from the value encoded in an empty executable.
        cat >conftest.$ac_ext <<_ACEOF
 #line $LINENO "configure"