Squashed 'lib/mbedtls/external/mbedtls/' content from commit 2ca6c285a0dd

git-subtree-dir: lib/mbedtls/external/mbedtls
git-subtree-split: 2ca6c285a0dd3f33982dd57299012dacab1ff206
diff --git a/tests/make-in-docker.sh b/tests/make-in-docker.sh
new file mode 100755
index 0000000..e57d09d
--- /dev/null
+++ b/tests/make-in-docker.sh
@@ -0,0 +1,21 @@
+#!/bin/bash -eu
+
+# make-in-docker.sh
+#
+# Purpose
+# -------
+# This runs make in a Docker container.
+#
+# See also:
+# - scripts/docker_env.sh for general Docker prerequisites and other information.
+#
+# WARNING: the Dockerfile used by this script is no longer maintained! See
+# https://github.com/Mbed-TLS/mbedtls-test/blob/master/README.md#quick-start
+# for the set of Docker images we use on the CI.
+
+# Copyright The Mbed TLS Contributors
+# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+
+source tests/scripts/docker_env.sh
+
+run_in_docker make $@