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-rwxr-xr-xselftest/format-subunit.pl3
1 files changed, 3 insertions, 0 deletions
diff --git a/selftest/format-subunit.pl b/selftest/format-subunit.pl
index 9d4e0c0785..472f51a815 100755
--- a/selftest/format-subunit.pl
+++ b/selftest/format-subunit.pl
@@ -59,6 +59,9 @@ exit(1) if (not $result);
my $msg_ops;
+# we want unbuffered output
+$| = 1;
+
my $statistics = {
SUITES_FAIL => 0,