1 files changed, 6 insertions, 1 deletions
diff --git a/bin/automake.in b/bin/automake.in
index 67b729045..a88b835a5 100644
--- a/bin/automake.in
+++ b/bin/automake.in
@@ -5249,6 +5249,11 @@ sub scan_autoconf_traces
 		sinclude => 1,
 	      );
 
+  # Suppress all warnings from this invocation of autoconf.
+  # The user is presumably about to run autoconf themselves
+  # and will see its warnings then.
+  local $ENV{WARNINGS} = 'none';
+
   my $traces = ($ENV{AUTOCONF} || '@am_AUTOCONF@') . " ";
 
   # Use a separator unlikely to be used, not ':', the default, which
@@ -5257,8 +5262,8 @@ sub scan_autoconf_traces
 		   map { "--trace=$_" . ':\$f:\$l::\$d::\$n::\${::}%' }
 		   (keys %traced));
 
+  verb "running WARNINGS=$ENV{WARNINGS} $traces";
   my $tracefh = new Automake::XFile ("$traces $filename |");
-  verb "reading $traces";
 
   @cond_stack = ();
   my $where;