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+#!/bin/sh
+#
+# Common routines for docker test scripts.
+#
+# Copyright (c) 2016 Red Hat Inc.
+#
+# Authors:
+# Fam Zheng <famz@redhat.com>
+#
+# This work is licensed under the terms of the GNU GPL, version 2
+# or (at your option) any later version. See the COPYING file in
+# the top-level directory.
+
+requires()
+{
+ for c in $@; do
+ if ! echo "$FEATURES" | grep -wq -e "$c"; then
+ echo "Prerequisite '$c' not present, skip"
+ exit 0
+ fi
+ done
+}
+
+build_qemu()
+{
+ $QEMU_SRC/configure \
+ --target-list="${TARGET_LIST}" \
+ --prefix="$PWD/install" \
+ "$@"
+ make $MAKEFLAGS
+}