system: migrate to SPDX identifier

Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

system/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/adb/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/adb/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/adb/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/adb/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/adb/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/adb/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/adb/adb_banner.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/adb/adb_banner.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/adb/adb_main.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/adb/adb_main.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/adb/logcat_service.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/adb/logcat_service.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/argtable3/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/argtable3/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/argtable3/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/argtable3/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/argtable3/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/argtable3/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/batterydump/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/batterydump/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/batterydump/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/batterydump/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/batterydump/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/batterydump/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/batterydump/batterydump.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/batterydump/batterydump.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/cdcacm/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/cdcacm/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/cdcacm/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/cdcacm/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/cdcacm/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/cdcacm/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/cdcacm/cdcacm.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/cdcacm/cdcacm.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/cdcacm/cdcacm_main.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/cdcacm/cdcacm_main.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/cfgdata/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/cfgdata/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/cfgdata/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/cfgdata/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/cfgdata/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/cfgdata/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/cfgdata/cfgdata_main.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/cfgdata/cfgdata_main.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/cle/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/cle/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/cle/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/cle/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/cle/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/cle/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/cle/cle.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/cle/cle.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/composite/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/composite/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/composite/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/composite/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/composite/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/composite/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/composite/composite.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/composite/composite.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/composite/composite_main.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/composite/composite_main.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/conntrack/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/conntrack/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/conntrack/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/conntrack/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/conntrack/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/conntrack/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/conntrack/conntrack.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/conntrack/conntrack.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/coredump/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/coredump/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/coredump/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/coredump/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/coredump/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/coredump/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/coredump/coredump.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/coredump/coredump.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/critmon/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/critmon/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/critmon/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/critmon/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/critmon/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/critmon/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/critmon/critmon.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/critmon/critmon.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/cu/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/cu/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/cu/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/cu/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/cu/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/cu/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/cu/cu.h

@@ -1,8 +1,9 @@
 /****************************************************************************
  * apps/system/cu/cu.h
  *
- *   Copyright (C) 2014 sysmocom - s.f.m.c. GmbH. All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
- *   Author: Harald Welte <hwelte@sysmocom.de>
+ * SPDX-FileCopyrightText: 2014 sysmocom - s.f.m.c. GmbH. All rights reserved.
+ * SPDX-FileContributor: Harald Welte <hwelte@sysmocom.de>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions

system/cu/cu_main.c

@@ -1,8 +1,9 @@
 /****************************************************************************
  * apps/system/cu/cu_main.c
  *
- *   Copyright (C) 2014 sysmocom - s.f.m.c. GmbH. All rights reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
- *   Author: Harald Welte <hwelte@sysmocom.de>
+ * SPDX-FileCopyrightText: 2014 sysmocom - s.f.m.c. GmbH. All rights reserved.
+ * SPDX-FileContributor: Harald Welte <hwelte@sysmocom.de>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions

system/dd/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/dd/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/dd/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/dd/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/dd/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/dd/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/dd/dd_main.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/dd/dd_main.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/debugpoint/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/debugpoint/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/debugpoint/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/debugpoint/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/debugpoint/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/debugpoint/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/debugpoint/debug.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/debugpoint/debug.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/dhcp6c/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/dhcp6c/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/dhcp6c/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/dhcp6c/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/dhcp6c/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/dhcp6c/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/dhcp6c/renew6_main.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/dhcp6c/renew6_main.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/dhcpc/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/dhcpc/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/dhcpc/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/dhcpc/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/dhcpc/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/dhcpc/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/dhcpc/renew_main.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/dhcpc/renew_main.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/dumpstack/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/dumpstack/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/dumpstack/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/dumpstack/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/dumpstack/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/dumpstack/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/dumpstack/dumpstack.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/dumpstack/dumpstack.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/fastboot/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/fastboot/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/fastboot/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/fastboot/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/fastboot/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/fastboot/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/fastboot/fastboot.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/fastboot/fastboot.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/fdt/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/fdt/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/fdt/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/fdt/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/fdt/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/fdt/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/flash_eraseall/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/flash_eraseall/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/flash_eraseall/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/flash_eraseall/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/flash_eraseall/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/flash_eraseall/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/flash_eraseall/flash_eraseall_main.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/flash_eraseall/flash_eraseall_main.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/flatbuffers/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/flatbuffers/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/flatbuffers/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/flatbuffers/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/flatbuffers/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/flatbuffers/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/gcov/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/gcov/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/gcov/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/gcov/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/gcov/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/gcov/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/gcov/gcov.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/gcov/gcov.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/gdbstub/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/gdbstub/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/gdbstub/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/gdbstub/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/gdbstub/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/gdbstub/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/gdbstub/gdbstub.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/gdbstub/gdbstub.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/gprof/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/gprof/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/gprof/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/gprof/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/gprof/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/gprof/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/gprof/gprof.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * apps/system/gprof/gprof.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

system/hex2bin/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # apps/system/hex2bin/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

system/hex2bin/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/hex2bin/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

system/hex2bin/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # apps/system/hex2bin/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The