--- build_mozc.py.verbose	2010-07-12 20:11:48.000000000 +0900
+++ build_mozc.py	2010-08-21 02:07:01.000000000 +0900
@@ -580,6 +580,8 @@ 
   if options.build_base:
     build_args.append('builddir_name=%s' % options.build_base)
 
+  build_args.append('V=1')
+
   RunOrDie([make_command] + build_args + target_names)