--- a/common/autoconf/boot-jdk.m4	Fri Dec 23 13:43:21 2016 -0800
+++ b/common/autoconf/boot-jdk.m4	Tue Dec 27 09:42:16 2016 +0100
@@ -305,9 +305,8 @@
   BOOT_JDK_SOURCETARGET="-source 8 -target 8"
   AC_SUBST(BOOT_JDK_SOURCETARGET)
 
-  ADD_JVM_ARG_IF_OK([--patch-module foo=bar], dummy, [$JAVA])
   AC_MSG_CHECKING([if Boot JDK supports modules])
-  if test "x$JVM_ARG_OK" = "xtrue"; then
+  if "$JAVA" --list-modules > /dev/null 2>&1; then
     AC_MSG_RESULT([yes])
     BOOT_JDK_MODULAR="true"
   else

--- a/common/autoconf/generated-configure.sh	Fri Dec 23 13:43:21 2016 -0800
+++ b/common/autoconf/generated-configure.sh	Tue Dec 27 09:42:16 2016 +0100
@@ -5170,7 +5170,7 @@
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1482309967
+DATE_WHEN_GENERATED=1482828098
 
 ###############################################################################
 #
@@ -30665,24 +30665,9 @@
   BOOT_JDK_SOURCETARGET="-source 8 -target 8"
 
 
-
-  $ECHO "Check if jvm arg is ok: --patch-module foo=bar" >&5
-  $ECHO "Command: $JAVA --patch-module foo=bar -version" >&5
-  OUTPUT=`$JAVA --patch-module foo=bar -version 2>&1`
-  FOUND_WARN=`$ECHO "$OUTPUT" | $GREP -i warn`
-  FOUND_VERSION=`$ECHO $OUTPUT | $GREP " version \""`
-  if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then
-    dummy="$dummy --patch-module foo=bar"
-    JVM_ARG_OK=true
-  else
-    $ECHO "Arg failed:" >&5
-    $ECHO "$OUTPUT" >&5
-    JVM_ARG_OK=false
-  fi
-
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking if Boot JDK supports modules" >&5
 $as_echo_n "checking if Boot JDK supports modules... " >&6; }
-  if test "x$JVM_ARG_OK" = "xtrue"; then
+  if "$JAVA" --list-modules > /dev/null 2>&1; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
     BOOT_JDK_MODULAR="true"