parallel-tests: print error messages on stderr, not stdout

* lib/am/check.am ($(TEST_SUITE_LOG)): Be sure to print error messages
on stderr, not on stdout.

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --git a/lib/am/check.am b/lib/am/check.am
index 404f13ca8e989ddc2cd0927c933e7d998daff0a9..0ce064d3742fea3127e03ee803fa451d652116ca 100644 (file)
--- a/lib/am/check.am
+++ b/lib/am/check.am
@@ -170,9 +170,9 @@ $(TEST_SUITE_LOG): $(TEST_LOGS)
          errmsg="fatal: making $(TEST_SUITE_LOG): failed to create"; \
          for i in $$redo_bases; do \
            test -f $$i.trs && test -r $$i.trs \
-             || { echo "$$errmsg $$i.trs"; st=1; }; \
+             || { echo "$$errmsg $$i.trs" >&2; st=1; }; \
            test -f $$i.log && test -r $$i.log \
-             || { echo "$$errmsg $$i.log"; st=1; }; \
+             || { echo "$$errmsg $$i.log" >&2; st=1; }; \
          done; \
          test $$st -eq 0 || exit 1; \
        fi