README: Update copyright date

[subdirmk.git] / tests / check

diff --git a/tests/check b/tests/check
index de20e4bbbd45db85819d42b64c4e5e940070d9e2..2bb0d6801407df0768111e68deec6c72e0d86521 100755 (executable)
--- a/tests/check
+++ b/tests/check
@@ -1,5 +1,15 @@
-#!/bin/sh
+#!/bin/bash
+# subdirmk - toplevel invocation script for the test suite
+#  Copyright 2019 Mark Wooding
+#  Copyright 2019 Ian Jackson
+# SPDX-License-Identifier: LGPL-2.0-or-later
+# There is NO WARRANTY.
+
 set -e
 
-${MAKE-make} -f tests/tests.mk -j8
+j=$(nproc 2>/dev/null || echo 1)
+j=$(( $j * 5 / 4 + 1 ))
+
+x () { echo "$@"; "$@"; }
+x ${MAKE-make} -f tests/tests.mk -j$j
 echo 'ok.'