Add files via upload

tools/include_check.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+# Copyright (c) 2019 Yubico AB. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+# SPDX-License-Identifier: BSD-2-Clause
+
+check() {
+	for f in $(find $1 -maxdepth 1 -name '*.h'); do
+		echo "#include \"$f\"" | \
+			cc $CFLAGS -Isrc -xc -c - -o /dev/null 2>&1
+		echo "$f $CFLAGS $?"
+	done
+}
+
+check examples
+check fuzz
+check openbsd-compat
+CFLAGS="${CFLAGS} -D_FIDO_INTERNAL" check src
+check src/fido.h
+check src/fido
+check tools