--- a/make/autoconf/basics.m4	Thu Jan 25 15:18:13 2018 -0800
+++ b/make/autoconf/basics.m4	Mon Jan 29 17:08:12 2018 -0800
@@ -1187,9 +1187,6 @@
 
 AC_DEFUN_ONCE([BASIC_TEST_USABILITY_ISSUES],
 [
-  # Did user specify any unknown variables?
-  BASIC_CHECK_LEFTOVER_OVERRIDDEN
-
   AC_MSG_CHECKING([if build directory is on local disk])
   BASIC_CHECK_DIR_ON_LOCAL_DISK($OUTPUTDIR,
       [OUTPUT_DIR_IS_LOCAL="yes"],

--- a/make/autoconf/configure.ac	Thu Jan 25 15:18:13 2018 -0800
+++ b/make/autoconf/configure.ac	Mon Jan 29 17:08:12 2018 -0800
@@ -280,6 +280,9 @@
 # This needs to be done after CUSTOM_LATE_HOOK since we can setup custom features.
 HOTSPOT_VALIDATE_JVM_FEATURES
 
+# Did user specify any unknown variables?
+BASIC_CHECK_LEFTOVER_OVERRIDDEN
+
 # We're messing a bit with internal autoconf variables to put the config.status
 # in the output directory instead of the current directory.
 CONFIG_STATUS="$CONFIGURESUPPORT_OUTPUTDIR/config.status"

--- a/make/autoconf/generated-configure.sh	Thu Jan 25 15:18:13 2018 -0800
+++ b/make/autoconf/generated-configure.sh	Mon Jan 29 17:08:12 2018 -0800
@@ -5215,7 +5215,7 @@
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1517244998
+DATE_WHEN_GENERATED=1517274450
 
 ###############################################################################
 #
@@ -69083,16 +69083,6 @@
   fi
 
 
-  # Did user specify any unknown variables?
-
-  if test "x$CONFIGURE_OVERRIDDEN_VARIABLES" != x; then
-    # Replace the separating ! with spaces before presenting for end user.
-    unknown_variables=${CONFIGURE_OVERRIDDEN_VARIABLES//!/ }
-    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: The following variables might be unknown to configure: $unknown_variables" >&5
-$as_echo "$as_me: WARNING: The following variables might be unknown to configure: $unknown_variables" >&2;}
-  fi
-
-
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking if build directory is on local disk" >&5
 $as_echo_n "checking if build directory is on local disk... " >&6; }
 
@@ -69174,6 +69164,16 @@
   done
 
 
+# Did user specify any unknown variables?
+
+  if test "x$CONFIGURE_OVERRIDDEN_VARIABLES" != x; then
+    # Replace the separating ! with spaces before presenting for end user.
+    unknown_variables=${CONFIGURE_OVERRIDDEN_VARIABLES//!/ }
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: The following variables might be unknown to configure: $unknown_variables" >&5
+$as_echo "$as_me: WARNING: The following variables might be unknown to configure: $unknown_variables" >&2;}
+  fi
+
+
 # We're messing a bit with internal autoconf variables to put the config.status
 # in the output directory instead of the current directory.
 CONFIG_STATUS="$CONFIGURESUPPORT_OUTPUTDIR/config.status"