1 files changed, 6 insertions, 0 deletions
diff --git a/tests/runtests.pl b/tests/runtests.pl
index 30ae0b349..577f23467 100755
--- a/tests/runtests.pl
+++ b/tests/runtests.pl
@@ -496,6 +496,9 @@ sub startnew {
     if(0 == $child) {
         # Here we are the child. Run the given command.
 
+        # Flush output.
+        $| = 1;
+
         # Put an "exec" in front of the command so that the child process
         # keeps this child's process ID.
         exec("exec $cmd") || die "Can't exec() $cmd: $!";
@@ -4108,6 +4111,9 @@ sub singletest {
         close(GDBCMD);
     }
 
+    # Flush output.
+    $| = 1;
+
     # timestamp starting of test command
     $timetoolini{$testnum} = Time::HiRes::time();