--- a/nashorn/buildtools/nasgen/project.properties	Wed Aug 10 09:21:58 2016 -0700
+++ b/nashorn/buildtools/nasgen/project.properties	Wed Aug 10 15:49:16 2016 -0700
@@ -40,8 +40,8 @@
 javac.debug=true
 
 nasgen.module.imports=\
-    -XaddExports:java.base/jdk.internal.org.objectweb.asm=ALL-UNNAMED \
-    -XaddExports:java.base/jdk.internal.org.objectweb.asm.util=ALL-UNNAMED
+    --add-exports java.base/jdk.internal.org.objectweb.asm=ALL-UNNAMED \
+    --add-exports java.base/jdk.internal.org.objectweb.asm.util=ALL-UNNAMED
 
 meta.inf.dir=${src.dir}/META-INF
 run.classpath=\