5 files changed, 5 insertions, 44 deletions
diff --git a/util/cbfstool/Makefile.inc b/util/cbfstool/Makefile.inc
index a60cee1e27..8428f8a328 100644
--- a/util/cbfstool/Makefile.inc
+++ b/util/cbfstool/Makefile.inc
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 compressionobj :=
 compressionobj += compress.o
 # LZ4
diff --git a/util/cbfstool/bpdt_formats/Makefile.inc b/util/cbfstool/bpdt_formats/Makefile.inc
index c676489e9f..a3be46be5d 100644
--- a/util/cbfstool/bpdt_formats/Makefile.inc
+++ b/util/cbfstool/bpdt_formats/Makefile.inc
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 
 bpdt_formats_obj += bpdt_1_6.o
 bpdt_formats_obj += bpdt_1_7.o
diff --git a/util/cbfstool/fpt_formats/Makefile.inc b/util/cbfstool/fpt_formats/Makefile.inc
index 865eaed5cd..11cb30d274 100644
--- a/util/cbfstool/fpt_formats/Makefile.inc
+++ b/util/cbfstool/fpt_formats/Makefile.inc
@@ -1,3 +1,4 @@
+## SPDX-License-Identifier: GPL-2.0-only
 
 fpt_formats_obj += fpt_hdr_20.o
 fpt_formats_obj += fpt_hdr_21.o
diff --git a/util/cbfstool/lz4/Makefile b/util/cbfstool/lz4/Makefile
index 931da35d95..4506267ebf 100644
--- a/util/cbfstool/lz4/Makefile
+++ b/util/cbfstool/lz4/Makefile
@@ -1,30 +1,9 @@
+## SPDX-License-Identifier: BSD-2-Clause
 # ################################################################
 # LZ4 - Makefile
 # Copyright (C) Yann Collet 2011-2015
 # All rights reserved.
 #
-# BSD license
-# Redistribution and use in source and binary forms, with or without modification,
-# are permitted provided that the following conditions are met:
-#
-# * Redistributions of source code must retain the above copyright notice, this
-#   list of conditions and the following disclaimer.
-#
-# * Redistributions in binary form must reproduce the above copyright notice, this
-#   list of conditions and the following disclaimer in the documentation and/or
-#   other materials provided with the distribution.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
 # You can contact the author at :
 #  - LZ4 source repository : https://github.com/Cyan4973/lz4
 #  - LZ4 forum froup : https://groups.google.com/forum/#!forum/lz4c
diff --git a/util/cbfstool/lz4/lib/Makefile b/util/cbfstool/lz4/lib/Makefile
index 12a741d147..ed5957704f 100644
--- a/util/cbfstool/lz4/lib/Makefile
+++ b/util/cbfstool/lz4/lib/Makefile
@@ -1,30 +1,9 @@
+## SPDX-License-Identifier: BSD-2-Clause
 # ################################################################
 # LZ4 library - Makefile
 # Copyright (C) Yann Collet 2011-2015
 # All rights reserved.
 #
-# BSD license
-# Redistribution and use in source and binary forms, with or without modification,
-# are permitted provided that the following conditions are met:
-#
-# * Redistributions of source code must retain the above copyright notice, this
-#   list of conditions and the following disclaimer.
-#
-# * Redistributions in binary form must reproduce the above copyright notice, this
-#   list of conditions and the following disclaimer in the documentation and/or
-#   other materials provided with the distribution.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
-# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
-# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#
 # You can contact the author at :
 #  - LZ4 source repository : https://github.com/Cyan4973/lz4
 #  - LZ4 forum froup : https://groups.google.com/forum/#!forum/lz4c