--- a/make/Defs-internal.gmk	Thu Feb 03 17:22:12 2011 -0800
+++ b/make/Defs-internal.gmk	Wed Jul 05 17:34:15 2017 +0200
@@ -212,7 +212,7 @@
   SKIP_DEBUG_BUILD=true
 endif
 ifndef SKIP_FASTDEBUG_BUILD
-  SKIP_FASTDEBUG_BUILD=false
+  SKIP_FASTDEBUG_BUILD=true
 endif
 
 # Select javadoc setting GENERATE_DOCS