Flush all ports after each file, flush stdout after displaying all options

[lilypond.git] / lily / program-option-scheme.cc

diff --git a/lily/program-option-scheme.cc b/lily/program-option-scheme.cc
index 1071d14d7d7f43497a23f0e666df906406b12326..ca22a2dff405b536a2bdfed373cc3c53e854cd35 100644 (file)
--- a/lily/program-option-scheme.cc
+++ b/lily/program-option-scheme.cc
@@ -190,6 +190,7 @@ LY_DEFINE (ly_option_usage, "ly:option-usage", 0, 0, 0, (),
 {
   string help = get_help_string ();
   puts (help.c_str ());
+  fflush (stdout);
 
   return SCM_UNSPECIFIED;
 }