--- a/make/Init.gmk	Tue Apr 10 14:16:13 2018 -0700
+++ b/make/Init.gmk	Tue Apr 10 23:32:54 2018 +0200
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2012, 2017, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -226,6 +226,15 @@
   # Parse COMPARE_BUILD (for makefile development)
   $(eval $(call ParseCompareBuild))
 
+  # If no LOG= was given on command line, but we have a non-standard default
+  # value, use that instead and re-parse log level.
+  ifeq ($(LOG), )
+    ifneq ($(DEFAULT_LOG), )
+      override LOG := $(DEFAULT_LOG)
+      $(eval $(call ParseLogLevel))
+    endif
+  endif
+
   ifeq ($(LOG_NOFILE), true)
     # Disable build log if LOG=[level,]nofile was given
     override BUILD_LOG_PIPE :=