common/autoconf/boot-jdk.m4

@@ -303,11 +303,11 @@
 
   # When compiling code to be executed by the Boot JDK, force jdk8 compatibility.
   BOOT_JDK_SOURCETARGET="-source 8 -target 8"
   AC_SUBST(BOOT_JDK_SOURCETARGET)
 
-  ADD_JVM_ARG_IF_OK([-Xpatch:foo=bar], dummy, [$JAVA])
+  ADD_JVM_ARG_IF_OK([--patch-module foo=bar], dummy, [$JAVA])
   AC_MSG_CHECKING([if Boot JDK supports modules])
   if test "x$JVM_ARG_OK" = "xtrue"; then
     AC_MSG_RESULT([yes])
     BOOT_JDK_MODULAR="true"
   else