--- a/common/autoconf/boot-jdk.m4	Sat May 07 01:21:08 2016 +0200
+++ b/common/autoconf/boot-jdk.m4	Mon May 09 17:15:05 2016 +0200
@@ -435,6 +435,9 @@
       elif test ! -x "$BUILD_JDK/bin/jlink"; then
         AC_MSG_NOTICE([Potential Build JDK found at $BUILD_JDK did not contain bin/jlink; ignoring])
         BUILD_JDK_FOUND=no
+      elif test ! -x "$BUILD_JDK/bin/jmod"; then
+        AC_MSG_NOTICE([Potential Build JDK found at $BUILD_JDK did not contain bin/jmod; ignoring])
+        BUILD_JDK_FOUND=no
       elif test ! -x "$BUILD_JDK/bin/javac"; then
         # Do we have a bin/javac?
         AC_MSG_NOTICE([Potential Build JDK found at $BUILD_JDK did not contain bin/javac; ignoring])
@@ -500,6 +503,11 @@
     fi
   fi
 
+  JMOD="$BUILD_JDK/bin/jmod"
+  JLINK="$BUILD_JDK/bin/jlink"
+  AC_SUBST(JMOD)
+  AC_SUBST(JLINK)
+
   if test "x$BUILD_JDK_FOUND" != "xyes"; then
     AC_MSG_CHECKING([for Build JDK])
     AC_MSG_RESULT([no])