Add SPDX license identifier into 0BSD source code files.

157 files changed, 304 insertions, 20 deletions

diff --git a/src/liblzma/Makefile.am b/src/liblzma/Makefile.am
index 79afcba4..0ffc977d 100644
--- a/src/liblzma/Makefile.am
+++ b/src/liblzma/Makefile.am
@@ -1,6 +1,5 @@
-##
+## SPDX-License-Identifier: 0BSD
 ## Author: Lasse Collin
-##
 
 SUBDIRS = api
 
diff --git a/src/liblzma/api/Makefile.am b/src/liblzma/api/Makefile.am
index 516437fa..a7cb3c47 100644
--- a/src/liblzma/api/Makefile.am
+++ b/src/liblzma/api/Makefile.am
@@ -1,6 +1,5 @@
-##
+## SPDX-License-Identifier: 0BSD
 ## Author: Lasse Collin
-##
 
 nobase_include_HEADERS = \
 	lzma.h \
diff --git a/src/liblzma/api/lzma.h b/src/liblzma/api/lzma.h
index 6a0c6bb8..d55349f4 100644
--- a/src/liblzma/api/lzma.h
+++ b/src/liblzma/api/lzma.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /**
  * \file        api/lzma.h
  * \brief       The public API of liblzma data compression library
diff --git a/src/liblzma/api/lzma/base.h b/src/liblzma/api/lzma/base.h
index 7408cd10..20d485b9 100644
--- a/src/liblzma/api/lzma/base.h
+++ b/src/liblzma/api/lzma/base.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /**
  * \file        lzma/base.h
  * \brief       Data types and functions used in many places in liblzma API
diff --git a/src/liblzma/api/lzma/bcj.h b/src/liblzma/api/lzma/bcj.h
index db9d6fa3..7f6611fe 100644
--- a/src/liblzma/api/lzma/bcj.h
+++ b/src/liblzma/api/lzma/bcj.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /**
  * \file        lzma/bcj.h
  * \brief       Branch/Call/Jump conversion filters
diff --git a/src/liblzma/api/lzma/block.h b/src/liblzma/api/lzma/block.h
index 9f6bb1e5..05b77e59 100644
--- a/src/liblzma/api/lzma/block.h
+++ b/src/liblzma/api/lzma/block.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /**
  * \file        lzma/block.h
  * \brief       .xz Block handling
diff --git a/src/liblzma/api/lzma/check.h b/src/liblzma/api/lzma/check.h
index 3917c839..e7a50ed3 100644
--- a/src/liblzma/api/lzma/check.h
+++ b/src/liblzma/api/lzma/check.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /**
  * \file        lzma/check.h
  * \brief       Integrity checks
diff --git a/src/liblzma/api/lzma/container.h b/src/liblzma/api/lzma/container.h
index 0c515c58..ad3f9905 100644
--- a/src/liblzma/api/lzma/container.h
+++ b/src/liblzma/api/lzma/container.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /**
  * \file        lzma/container.h
  * \brief       File formats
diff --git a/src/liblzma/api/lzma/delta.h b/src/liblzma/api/lzma/delta.h
index 33b3bbc3..5ebacef8 100644
--- a/src/liblzma/api/lzma/delta.h
+++ b/src/liblzma/api/lzma/delta.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /**
  * \file        lzma/delta.h
  * \brief       Delta filter
diff --git a/src/liblzma/api/lzma/filter.h b/src/liblzma/api/lzma/filter.h
index e0808b69..e86809c4 100644
--- a/src/liblzma/api/lzma/filter.h
+++ b/src/liblzma/api/lzma/filter.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /**
  * \file        lzma/filter.h
  * \brief       Common filter related types and functions
diff --git a/src/liblzma/api/lzma/hardware.h b/src/liblzma/api/lzma/hardware.h
index 4c3984b8..7a1a84fc 100644
--- a/src/liblzma/api/lzma/hardware.h
+++ b/src/liblzma/api/lzma/hardware.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /**
  * \file        lzma/hardware.h
  * \brief       Hardware information
diff --git a/src/liblzma/api/lzma/index.h b/src/liblzma/api/lzma/index.h
index c723d6d2..7d8a9950 100644
--- a/src/liblzma/api/lzma/index.h
+++ b/src/liblzma/api/lzma/index.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /**
  * \file        lzma/index.h
  * \brief       Handling of .xz Index and related information
diff --git a/src/liblzma/api/lzma/index_hash.h b/src/liblzma/api/lzma/index_hash.h
index a486b130..68f9024e 100644
--- a/src/liblzma/api/lzma/index_hash.h
+++ b/src/liblzma/api/lzma/index_hash.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /**
  * \file        lzma/index_hash.h
  * \brief       Validate Index by using a hash function
diff --git a/src/liblzma/api/lzma/lzma12.h b/src/liblzma/api/lzma/lzma12.h
index 9de0e326..05f5b66e 100644
--- a/src/liblzma/api/lzma/lzma12.h
+++ b/src/liblzma/api/lzma/lzma12.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /**
  * \file        lzma/lzma12.h
  * \brief       LZMA1 and LZMA2 filters
diff --git a/src/liblzma/api/lzma/stream_flags.h b/src/liblzma/api/lzma/stream_flags.h
index 252e6a1d..a33fe468 100644
--- a/src/liblzma/api/lzma/stream_flags.h
+++ b/src/liblzma/api/lzma/stream_flags.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /**
  * \file        lzma/stream_flags.h
  * \brief       .xz Stream Header and Stream Footer encoder and decoder
diff --git a/src/liblzma/api/lzma/version.h b/src/liblzma/api/lzma/version.h
index 86303387..099f42b8 100644
--- a/src/liblzma/api/lzma/version.h
+++ b/src/liblzma/api/lzma/version.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /**
  * \file        lzma/version.h
  * \brief       Version number
diff --git a/src/liblzma/api/lzma/vli.h b/src/liblzma/api/lzma/vli.h
index 2174f5ba..7f3e398a 100644
--- a/src/liblzma/api/lzma/vli.h
+++ b/src/liblzma/api/lzma/vli.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /**
  * \file        lzma/vli.h
  * \brief       Variable-length integer handling
diff --git a/src/liblzma/check/Makefile.inc b/src/liblzma/check/Makefile.inc
index c38b6e9b..04cf1ffc 100644
--- a/src/liblzma/check/Makefile.inc
+++ b/src/liblzma/check/Makefile.inc
@@ -1,6 +1,6 @@
-##
+## SPDX-License-Identifier: 0BSD
 ## Author: Lasse Collin
-##
+
 ## Note: There is no check for COND_CHECK_CRC32 because
 ## currently crc32 is always enabled.
 
diff --git a/src/liblzma/check/check.c b/src/liblzma/check/check.c
index dab4088d..7734ace1 100644
--- a/src/liblzma/check/check.c
+++ b/src/liblzma/check/check.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       check.c
diff --git a/src/liblzma/check/check.h b/src/liblzma/check/check.h
index b8dcc075..f0eb1172 100644
--- a/src/liblzma/check/check.h
+++ b/src/liblzma/check/check.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       check.h
diff --git a/src/liblzma/check/crc32_arm64.h b/src/liblzma/check/crc32_arm64.h
index 73b4f9f7..6cdb5dab 100644
--- a/src/liblzma/check/crc32_arm64.h
+++ b/src/liblzma/check/crc32_arm64.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       crc32_arm64.h
diff --git a/src/liblzma/check/crc32_fast.c b/src/liblzma/check/crc32_fast.c
index 068712b2..5e26914a 100644
--- a/src/liblzma/check/crc32_fast.c
+++ b/src/liblzma/check/crc32_fast.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       crc32.c
diff --git a/src/liblzma/check/crc32_small.c b/src/liblzma/check/crc32_small.c
index e05e9062..6a1bd661 100644
--- a/src/liblzma/check/crc32_small.c
+++ b/src/liblzma/check/crc32_small.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       crc32_small.c
diff --git a/src/liblzma/check/crc32_table.c b/src/liblzma/check/crc32_table.c
index 47fc3de5..fb1b6585 100644
--- a/src/liblzma/check/crc32_table.c
+++ b/src/liblzma/check/crc32_table.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       crc32_table.c
diff --git a/src/liblzma/check/crc32_tablegen.c b/src/liblzma/check/crc32_tablegen.c
index 341efdcd..81042e72 100644
--- a/src/liblzma/check/crc32_tablegen.c
+++ b/src/liblzma/check/crc32_tablegen.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       crc32_tablegen.c
diff --git a/src/liblzma/check/crc32_x86.S b/src/liblzma/check/crc32_x86.S
index babe8b92..ddc3cee6 100644
--- a/src/liblzma/check/crc32_x86.S
+++ b/src/liblzma/check/crc32_x86.S
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /*
  * Speed-optimized CRC32 using slicing-by-eight algorithm
  *
diff --git a/src/liblzma/check/crc64_fast.c b/src/liblzma/check/crc64_fast.c
index cd843b35..f29fe3d3 100644
--- a/src/liblzma/check/crc64_fast.c
+++ b/src/liblzma/check/crc64_fast.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       crc64.c
diff --git a/src/liblzma/check/crc64_small.c b/src/liblzma/check/crc64_small.c
index 4e113eef..ee4ea26f 100644
--- a/src/liblzma/check/crc64_small.c
+++ b/src/liblzma/check/crc64_small.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       crc64_small.c
diff --git a/src/liblzma/check/crc64_table.c b/src/liblzma/check/crc64_table.c
index 0bf07eff..6dee387a 100644
--- a/src/liblzma/check/crc64_table.c
+++ b/src/liblzma/check/crc64_table.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       crc64_table.c
diff --git a/src/liblzma/check/crc64_tablegen.c b/src/liblzma/check/crc64_tablegen.c
index 9975765d..2c45516b 100644
--- a/src/liblzma/check/crc64_tablegen.c
+++ b/src/liblzma/check/crc64_tablegen.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       crc64_tablegen.c
diff --git a/src/liblzma/check/crc64_x86.S b/src/liblzma/check/crc64_x86.S
index 6398081b..47f60818 100644
--- a/src/liblzma/check/crc64_x86.S
+++ b/src/liblzma/check/crc64_x86.S
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /*
  * Speed-optimized CRC64 using slicing-by-four algorithm
  *
diff --git a/src/liblzma/check/crc_common.h b/src/liblzma/check/crc_common.h
index 8da15123..856665db 100644
--- a/src/liblzma/check/crc_common.h
+++ b/src/liblzma/check/crc_common.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       crc_common.h
diff --git a/src/liblzma/check/crc_x86_clmul.h b/src/liblzma/check/crc_x86_clmul.h
index 9455868b..ae66ca9f 100644
--- a/src/liblzma/check/crc_x86_clmul.h
+++ b/src/liblzma/check/crc_x86_clmul.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       crc_x86_clmul.h
diff --git a/src/liblzma/check/sha256.c b/src/liblzma/check/sha256.c
index 07cd3372..bd0d2806 100644
--- a/src/liblzma/check/sha256.c
+++ b/src/liblzma/check/sha256.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       sha256.c
diff --git a/src/liblzma/common/Makefile.inc b/src/liblzma/common/Makefile.inc
index 74c29027..51b1aae8 100644
--- a/src/liblzma/common/Makefile.inc
+++ b/src/liblzma/common/Makefile.inc
@@ -1,6 +1,5 @@
-##
+## SPDX-License-Identifier: 0BSD
 ## Author: Lasse Collin
-##
 
 liblzma_la_SOURCES += \
 	common/common.c \
diff --git a/src/liblzma/common/alone_decoder.c b/src/liblzma/common/alone_decoder.c
index 9ec3c21a..78af6515 100644
--- a/src/liblzma/common/alone_decoder.c
+++ b/src/liblzma/common/alone_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       alone_decoder.c
diff --git a/src/liblzma/common/alone_decoder.h b/src/liblzma/common/alone_decoder.h
index 69d44fa5..61ee24d9 100644
--- a/src/liblzma/common/alone_decoder.h
+++ b/src/liblzma/common/alone_decoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       alone_decoder.h
diff --git a/src/liblzma/common/alone_encoder.c b/src/liblzma/common/alone_encoder.c
index b4d57f05..21b03950 100644
--- a/src/liblzma/common/alone_encoder.c
+++ b/src/liblzma/common/alone_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       alone_encoder.c
diff --git a/src/liblzma/common/auto_decoder.c b/src/liblzma/common/auto_decoder.c
index 928a34fc..fdd520f9 100644
--- a/src/liblzma/common/auto_decoder.c
+++ b/src/liblzma/common/auto_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       auto_decoder.c
diff --git a/src/liblzma/common/block_buffer_decoder.c b/src/liblzma/common/block_buffer_decoder.c
index 31e371a6..55566cd2 100644
--- a/src/liblzma/common/block_buffer_decoder.c
+++ b/src/liblzma/common/block_buffer_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       block_buffer_decoder.c
diff --git a/src/liblzma/common/block_buffer_encoder.c b/src/liblzma/common/block_buffer_encoder.c
index 6ae190d5..df3b90e8 100644
--- a/src/liblzma/common/block_buffer_encoder.c
+++ b/src/liblzma/common/block_buffer_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       block_buffer_encoder.c
diff --git a/src/liblzma/common/block_buffer_encoder.h b/src/liblzma/common/block_buffer_encoder.h
index 38696f67..5274ac40 100644
--- a/src/liblzma/common/block_buffer_encoder.h
+++ b/src/liblzma/common/block_buffer_encoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       block_buffer_encoder.h
diff --git a/src/liblzma/common/block_decoder.c b/src/liblzma/common/block_decoder.c
index 4f7108ba..2e369d31 100644
--- a/src/liblzma/common/block_decoder.c
+++ b/src/liblzma/common/block_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       block_decoder.c
diff --git a/src/liblzma/common/block_decoder.h b/src/liblzma/common/block_decoder.h
index 9b78e11f..2cbf9ba6 100644
--- a/src/liblzma/common/block_decoder.h
+++ b/src/liblzma/common/block_decoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       block_decoder.h
diff --git a/src/liblzma/common/block_encoder.c b/src/liblzma/common/block_encoder.c
index 020b4c69..ce8c1de6 100644
--- a/src/liblzma/common/block_encoder.c
+++ b/src/liblzma/common/block_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       block_encoder.c
diff --git a/src/liblzma/common/block_encoder.h b/src/liblzma/common/block_encoder.h
index cffc0479..b7dfe9a0 100644
--- a/src/liblzma/common/block_encoder.h
+++ b/src/liblzma/common/block_encoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       block_encoder.h
diff --git a/src/liblzma/common/block_header_decoder.c b/src/liblzma/common/block_header_decoder.c
index 12cd5ae3..f0b2fbe5 100644
--- a/src/liblzma/common/block_header_decoder.c
+++ b/src/liblzma/common/block_header_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       block_header_decoder.c
diff --git a/src/liblzma/common/block_header_encoder.c b/src/liblzma/common/block_header_encoder.c
index 057c0ffb..45e57a26 100644
--- a/src/liblzma/common/block_header_encoder.c
+++ b/src/liblzma/common/block_header_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       block_header_encoder.c
diff --git a/src/liblzma/common/block_util.c b/src/liblzma/common/block_util.c
index 07f373f6..191f6d44 100644
--- a/src/liblzma/common/block_util.c
+++ b/src/liblzma/common/block_util.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       block_util.c
diff --git a/src/liblzma/common/common.c b/src/liblzma/common/common.c
index 5d1ac990..cc0e06a5 100644
--- a/src/liblzma/common/common.c
+++ b/src/liblzma/common/common.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       common.c
diff --git a/src/liblzma/common/common.h b/src/liblzma/common/common.h
index 51afc37f..20af32f6 100644
--- a/src/liblzma/common/common.h
+++ b/src/liblzma/common/common.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       common.h
diff --git a/src/liblzma/common/easy_buffer_encoder.c b/src/liblzma/common/easy_buffer_encoder.c
index fefc5bbb..da610cea 100644
--- a/src/liblzma/common/easy_buffer_encoder.c
+++ b/src/liblzma/common/easy_buffer_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       easy_buffer_encoder.c
diff --git a/src/liblzma/common/easy_decoder_memusage.c b/src/liblzma/common/easy_decoder_memusage.c
index 36e51165..0c76f100 100644
--- a/src/liblzma/common/easy_decoder_memusage.c
+++ b/src/liblzma/common/easy_decoder_memusage.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       easy_decoder_memusage.c
diff --git a/src/liblzma/common/easy_encoder.c b/src/liblzma/common/easy_encoder.c
index 9cecbb9d..8dfe2961 100644
--- a/src/liblzma/common/easy_encoder.c
+++ b/src/liblzma/common/easy_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       easy_encoder.c
diff --git a/src/liblzma/common/easy_encoder_memusage.c b/src/liblzma/common/easy_encoder_memusage.c
index b3c954d1..1184ac66 100644
--- a/src/liblzma/common/easy_encoder_memusage.c
+++ b/src/liblzma/common/easy_encoder_memusage.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       easy_encoder_memusage.c
diff --git a/src/liblzma/common/easy_preset.c b/src/liblzma/common/easy_preset.c
index 41bf9f69..7908a2bb 100644
--- a/src/liblzma/common/easy_preset.c
+++ b/src/liblzma/common/easy_preset.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       easy_preset.c
diff --git a/src/liblzma/common/easy_preset.h b/src/liblzma/common/easy_preset.h
index c555e935..d0ca1a62 100644
--- a/src/liblzma/common/easy_preset.h
+++ b/src/liblzma/common/easy_preset.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       easy_preset.h
diff --git a/src/liblzma/common/file_info.c b/src/liblzma/common/file_info.c
index 74a223c3..7c85084a 100644
--- a/src/liblzma/common/file_info.c
+++ b/src/liblzma/common/file_info.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       file_info.c
diff --git a/src/liblzma/common/filter_buffer_decoder.c b/src/liblzma/common/filter_buffer_decoder.c
index 63d7f3ef..e80c582c 100644
--- a/src/liblzma/common/filter_buffer_decoder.c
+++ b/src/liblzma/common/filter_buffer_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       filter_buffer_decoder.c
diff --git a/src/liblzma/common/filter_buffer_encoder.c b/src/liblzma/common/filter_buffer_encoder.c
index ef1b86a6..7fb8922a 100644
--- a/src/liblzma/common/filter_buffer_encoder.c
+++ b/src/liblzma/common/filter_buffer_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       filter_buffer_encoder.c
diff --git a/src/liblzma/common/filter_common.c b/src/liblzma/common/filter_common.c
index 19ef0653..2da6bd9c 100644
--- a/src/liblzma/common/filter_common.c
+++ b/src/liblzma/common/filter_common.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       filter_common.c
diff --git a/src/liblzma/common/filter_common.h b/src/liblzma/common/filter_common.h
index 0a3feac1..95f9fe27 100644
--- a/src/liblzma/common/filter_common.h
+++ b/src/liblzma/common/filter_common.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       filter_common.h
diff --git a/src/liblzma/common/filter_decoder.c b/src/liblzma/common/filter_decoder.c
index f1d3a358..77441e54 100644
--- a/src/liblzma/common/filter_decoder.c
+++ b/src/liblzma/common/filter_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       filter_decoder.c
diff --git a/src/liblzma/common/filter_decoder.h b/src/liblzma/common/filter_decoder.h
index c69a0eb2..e610bc1f 100644
--- a/src/liblzma/common/filter_decoder.h
+++ b/src/liblzma/common/filter_decoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       filter_decoder.h
diff --git a/src/liblzma/common/filter_encoder.c b/src/liblzma/common/filter_encoder.c
index 1aa6f07b..523d3731 100644
--- a/src/liblzma/common/filter_encoder.c
+++ b/src/liblzma/common/filter_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       filter_decoder.c
diff --git a/src/liblzma/common/filter_encoder.h b/src/liblzma/common/filter_encoder.h
index 344ca10f..88f2dafa 100644
--- a/src/liblzma/common/filter_encoder.h
+++ b/src/liblzma/common/filter_encoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       filter_encoder.h
diff --git a/src/liblzma/common/filter_flags_decoder.c b/src/liblzma/common/filter_flags_decoder.c
index becbcad0..0f5d204d 100644
--- a/src/liblzma/common/filter_flags_decoder.c
+++ b/src/liblzma/common/filter_flags_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       filter_flags_decoder.c
diff --git a/src/liblzma/common/filter_flags_encoder.c b/src/liblzma/common/filter_flags_encoder.c
index f12dc412..e1d65884 100644
--- a/src/liblzma/common/filter_flags_encoder.c
+++ b/src/liblzma/common/filter_flags_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       filter_flags_encoder.c
diff --git a/src/liblzma/common/hardware_cputhreads.c b/src/liblzma/common/hardware_cputhreads.c
index 6ae759e3..4ce852b4 100644
--- a/src/liblzma/common/hardware_cputhreads.c
+++ b/src/liblzma/common/hardware_cputhreads.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       hardware_cputhreads.c
diff --git a/src/liblzma/common/hardware_physmem.c b/src/liblzma/common/hardware_physmem.c
index ddf0ca2c..1bc34864 100644
--- a/src/liblzma/common/hardware_physmem.c
+++ b/src/liblzma/common/hardware_physmem.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       hardware_physmem.c
diff --git a/src/liblzma/common/index.c b/src/liblzma/common/index.c
index ff7f3fce..6add6a68 100644
--- a/src/liblzma/common/index.c
+++ b/src/liblzma/common/index.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       index.c
diff --git a/src/liblzma/common/index.h b/src/liblzma/common/index.h
index 3c349d43..007e1188 100644
--- a/src/liblzma/common/index.h
+++ b/src/liblzma/common/index.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       index.h
diff --git a/src/liblzma/common/index_decoder.c b/src/liblzma/common/index_decoder.c
index fbf58982..f105ff04 100644
--- a/src/liblzma/common/index_decoder.c
+++ b/src/liblzma/common/index_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       index_decoder.c
diff --git a/src/liblzma/common/index_decoder.h b/src/liblzma/common/index_decoder.h
index d877c505..5351d2f0 100644
--- a/src/liblzma/common/index_decoder.h
+++ b/src/liblzma/common/index_decoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       index_decoder.h
diff --git a/src/liblzma/common/index_encoder.c b/src/liblzma/common/index_encoder.c
index 4939d328..ecc299c0 100644
--- a/src/liblzma/common/index_encoder.c
+++ b/src/liblzma/common/index_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       index_encoder.c
diff --git a/src/liblzma/common/index_encoder.h b/src/liblzma/common/index_encoder.h
index 2c6e904d..29ba1106 100644
--- a/src/liblzma/common/index_encoder.h
+++ b/src/liblzma/common/index_encoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       index_encoder.h
diff --git a/src/liblzma/common/index_hash.c b/src/liblzma/common/index_hash.c
index c4bb6e07..caa5967c 100644
--- a/src/liblzma/common/index_hash.c
+++ b/src/liblzma/common/index_hash.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       index_hash.c
diff --git a/src/liblzma/common/lzip_decoder.c b/src/liblzma/common/lzip_decoder.c
index b229e1eb..651a0ae7 100644
--- a/src/liblzma/common/lzip_decoder.c
+++ b/src/liblzma/common/lzip_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzip_decoder.c
diff --git a/src/liblzma/common/lzip_decoder.h b/src/liblzma/common/lzip_decoder.h
index 6c696472..0e1f7beb 100644
--- a/src/liblzma/common/lzip_decoder.h
+++ b/src/liblzma/common/lzip_decoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzip_decoder.h
diff --git a/src/liblzma/common/memcmplen.h b/src/liblzma/common/memcmplen.h
index 05f92679..d8c42040 100644
--- a/src/liblzma/common/memcmplen.h
+++ b/src/liblzma/common/memcmplen.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       memcmplen.h
diff --git a/src/liblzma/common/microlzma_decoder.c b/src/liblzma/common/microlzma_decoder.c
index 7fe0e2a0..882cb2c8 100644
--- a/src/liblzma/common/microlzma_decoder.c
+++ b/src/liblzma/common/microlzma_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       microlzma_decoder.c
diff --git a/src/liblzma/common/microlzma_encoder.c b/src/liblzma/common/microlzma_encoder.c
index 3db9ba54..45ec0b12 100644
--- a/src/liblzma/common/microlzma_encoder.c
+++ b/src/liblzma/common/microlzma_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       microlzma_encoder.c
diff --git a/src/liblzma/common/outqueue.c b/src/liblzma/common/outqueue.c
index 39c79dfa..eb018eb4 100644
--- a/src/liblzma/common/outqueue.c
+++ b/src/liblzma/common/outqueue.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       outqueue.c
diff --git a/src/liblzma/common/outqueue.h b/src/liblzma/common/outqueue.h
index 0172436b..ae56f636 100644
--- a/src/liblzma/common/outqueue.h
+++ b/src/liblzma/common/outqueue.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       outqueue.h
diff --git a/src/liblzma/common/stream_buffer_decoder.c b/src/liblzma/common/stream_buffer_decoder.c
index 2840d5cd..c4f91fb4 100644
--- a/src/liblzma/common/stream_buffer_decoder.c
+++ b/src/liblzma/common/stream_buffer_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       stream_buffer_decoder.c
diff --git a/src/liblzma/common/stream_buffer_encoder.c b/src/liblzma/common/stream_buffer_encoder.c
index 938f1b3b..04d58695 100644
--- a/src/liblzma/common/stream_buffer_encoder.c
+++ b/src/liblzma/common/stream_buffer_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       stream_buffer_encoder.c
diff --git a/src/liblzma/common/stream_decoder.c b/src/liblzma/common/stream_decoder.c
index ee0722f8..7f426841 100644
--- a/src/liblzma/common/stream_decoder.c
+++ b/src/liblzma/common/stream_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       stream_decoder.c
diff --git a/src/liblzma/common/stream_decoder.h b/src/liblzma/common/stream_decoder.h
index 6b86e412..58037153 100644
--- a/src/liblzma/common/stream_decoder.h
+++ b/src/liblzma/common/stream_decoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       stream_decoder.h
diff --git a/src/liblzma/common/stream_decoder_mt.c b/src/liblzma/common/stream_decoder_mt.c
index 91b339d1..244624a4 100644
--- a/src/liblzma/common/stream_decoder_mt.c
+++ b/src/liblzma/common/stream_decoder_mt.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       stream_decoder_mt.c
diff --git a/src/liblzma/common/stream_encoder.c b/src/liblzma/common/stream_encoder.c
index ff95dc5c..e7e5b3fc 100644
--- a/src/liblzma/common/stream_encoder.c
+++ b/src/liblzma/common/stream_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       stream_encoder.c
diff --git a/src/liblzma/common/stream_encoder_mt.c b/src/liblzma/common/stream_encoder_mt.c
index ed6b6b77..f0fef152 100644
--- a/src/liblzma/common/stream_encoder_mt.c
+++ b/src/liblzma/common/stream_encoder_mt.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       stream_encoder_mt.c
diff --git a/src/liblzma/common/stream_flags_common.c b/src/liblzma/common/stream_flags_common.c
index 832e1e5d..41b8dcb7 100644
--- a/src/liblzma/common/stream_flags_common.c
+++ b/src/liblzma/common/stream_flags_common.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       stream_flags_common.c
diff --git a/src/liblzma/common/stream_flags_common.h b/src/liblzma/common/stream_flags_common.h
index b752fce0..28729dbc 100644
--- a/src/liblzma/common/stream_flags_common.h
+++ b/src/liblzma/common/stream_flags_common.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       stream_flags_common.h
diff --git a/src/liblzma/common/stream_flags_decoder.c b/src/liblzma/common/stream_flags_decoder.c
index 43341317..522c98b6 100644
--- a/src/liblzma/common/stream_flags_decoder.c
+++ b/src/liblzma/common/stream_flags_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       stream_flags_decoder.c
diff --git a/src/liblzma/common/stream_flags_encoder.c b/src/liblzma/common/stream_flags_encoder.c
index 6f8561bc..f94b5cd0 100644
--- a/src/liblzma/common/stream_flags_encoder.c
+++ b/src/liblzma/common/stream_flags_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       stream_flags_encoder.c
diff --git a/src/liblzma/common/string_conversion.c b/src/liblzma/common/string_conversion.c
index c8cfaab8..92d9032b 100644
--- a/src/liblzma/common/string_conversion.c
+++ b/src/liblzma/common/string_conversion.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       string_conversion.c
diff --git a/src/liblzma/common/vli_decoder.c b/src/liblzma/common/vli_decoder.c
index df4254bc..3254ccc3 100644
--- a/src/liblzma/common/vli_decoder.c
+++ b/src/liblzma/common/vli_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       vli_decoder.c
diff --git a/src/liblzma/common/vli_encoder.c b/src/liblzma/common/vli_encoder.c
index 99557b24..3859006a 100644
--- a/src/liblzma/common/vli_encoder.c
+++ b/src/liblzma/common/vli_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       vli_encoder.c
diff --git a/src/liblzma/common/vli_size.c b/src/liblzma/common/vli_size.c
index 65d11b9a..c8cb2ec1 100644
--- a/src/liblzma/common/vli_size.c
+++ b/src/liblzma/common/vli_size.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       vli_size.c
diff --git a/src/liblzma/delta/Makefile.inc b/src/liblzma/delta/Makefile.inc
index b161728e..e5b919e0 100644
--- a/src/liblzma/delta/Makefile.inc
+++ b/src/liblzma/delta/Makefile.inc
@@ -1,6 +1,5 @@
-##
+## SPDX-License-Identifier: 0BSD
 ## Author: Lasse Collin
-##
 
 liblzma_la_SOURCES += \
 	delta/delta_common.c \
diff --git a/src/liblzma/delta/delta_common.c b/src/liblzma/delta/delta_common.c
index 2d01ceb9..5dbe253b 100644
--- a/src/liblzma/delta/delta_common.c
+++ b/src/liblzma/delta/delta_common.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       delta_common.c
diff --git a/src/liblzma/delta/delta_common.h b/src/liblzma/delta/delta_common.h
index 232e308d..bd091276 100644
--- a/src/liblzma/delta/delta_common.h
+++ b/src/liblzma/delta/delta_common.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       delta_common.h
diff --git a/src/liblzma/delta/delta_decoder.c b/src/liblzma/delta/delta_decoder.c
index 1e445270..10d53687 100644
--- a/src/liblzma/delta/delta_decoder.c
+++ b/src/liblzma/delta/delta_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       delta_decoder.c
diff --git a/src/liblzma/delta/delta_decoder.h b/src/liblzma/delta/delta_decoder.h
index 7c96249a..e2268ed4 100644
--- a/src/liblzma/delta/delta_decoder.h
+++ b/src/liblzma/delta/delta_decoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       delta_decoder.h
diff --git a/src/liblzma/delta/delta_encoder.c b/src/liblzma/delta/delta_encoder.c
index f11a7914..ba4a50b1 100644
--- a/src/liblzma/delta/delta_encoder.c
+++ b/src/liblzma/delta/delta_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       delta_encoder.c
diff --git a/src/liblzma/delta/delta_encoder.h b/src/liblzma/delta/delta_encoder.h
index aff72130..735f0ed0 100644
--- a/src/liblzma/delta/delta_encoder.h
+++ b/src/liblzma/delta/delta_encoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       delta_encoder.h
diff --git a/src/liblzma/delta/delta_private.h b/src/liblzma/delta/delta_private.h
index 404657d0..e54721a8 100644
--- a/src/liblzma/delta/delta_private.h
+++ b/src/liblzma/delta/delta_private.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       delta_private.h
diff --git a/src/liblzma/liblzma.pc.in b/src/liblzma/liblzma.pc.in
index d9ff749c..a432992b 100644
--- a/src/liblzma/liblzma.pc.in
+++ b/src/liblzma/liblzma.pc.in
@@ -1,6 +1,5 @@
-#
+# SPDX-License-Identifier: 0BSD
 # Author: Lasse Collin
-#
 
 prefix=@prefix@
 exec_prefix=@exec_prefix@
diff --git a/src/liblzma/liblzma_generic.map b/src/liblzma/liblzma_generic.map
index 670e90c5..cc5f9eba 100644
--- a/src/liblzma/liblzma_generic.map
+++ b/src/liblzma/liblzma_generic.map
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 XZ_5.0 {
 global:
 	lzma_alone_decoder;
diff --git a/src/liblzma/liblzma_linux.map b/src/liblzma/liblzma_linux.map
index 37cb835d..b1f0c09b 100644
--- a/src/liblzma/liblzma_linux.map
+++ b/src/liblzma/liblzma_linux.map
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 XZ_5.0 {
 global:
 	lzma_alone_decoder;
diff --git a/src/liblzma/liblzma_w32res.rc b/src/liblzma/liblzma_w32res.rc
index da9c51bf..e225b19e 100644
--- a/src/liblzma/liblzma_w32res.rc
+++ b/src/liblzma/liblzma_w32res.rc
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: 0BSD */
+
 /*
  * Author: Lasse Collin
  */
diff --git a/src/liblzma/lz/Makefile.inc b/src/liblzma/lz/Makefile.inc
index ecb3b230..15235d7d 100644
--- a/src/liblzma/lz/Makefile.inc
+++ b/src/liblzma/lz/Makefile.inc
@@ -1,6 +1,5 @@
-##
+## SPDX-License-Identifier: 0BSD
 ## Author: Lasse Collin
-##
 
 if COND_ENCODER_LZ
 liblzma_la_SOURCES += \
diff --git a/src/liblzma/lz/lz_decoder.c b/src/liblzma/lz/lz_decoder.c
index 158aa08b..73bf20d9 100644
--- a/src/liblzma/lz/lz_decoder.c
+++ b/src/liblzma/lz/lz_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lz_decoder.c
diff --git a/src/liblzma/lz/lz_decoder.h b/src/liblzma/lz/lz_decoder.h
index 6059746a..65acf0b1 100644
--- a/src/liblzma/lz/lz_decoder.h
+++ b/src/liblzma/lz/lz_decoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lz_decoder.h
diff --git a/src/liblzma/lz/lz_encoder.c b/src/liblzma/lz/lz_encoder.c
index 2058fce1..4af23e14 100644
--- a/src/liblzma/lz/lz_encoder.c
+++ b/src/liblzma/lz/lz_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lz_encoder.c
diff --git a/src/liblzma/lz/lz_encoder.h b/src/liblzma/lz/lz_encoder.h
index 76f3788e..429836c8 100644
--- a/src/liblzma/lz/lz_encoder.h
+++ b/src/liblzma/lz/lz_encoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lz_encoder.h
diff --git a/src/liblzma/lz/lz_encoder_hash.h b/src/liblzma/lz/lz_encoder_hash.h
index 740694ab..8ace82b0 100644
--- a/src/liblzma/lz/lz_encoder_hash.h
+++ b/src/liblzma/lz/lz_encoder_hash.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lz_encoder_hash.h
diff --git a/src/liblzma/lz/lz_encoder_mf.c b/src/liblzma/lz/lz_encoder_mf.c
index b5d9c509..557c2612 100644
--- a/src/liblzma/lz/lz_encoder_mf.c
+++ b/src/liblzma/lz/lz_encoder_mf.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lz_encoder_mf.c
diff --git a/src/liblzma/lzma/Makefile.inc b/src/liblzma/lzma/Makefile.inc
index cbe4d800..dca6b764 100644
--- a/src/liblzma/lzma/Makefile.inc
+++ b/src/liblzma/lzma/Makefile.inc
@@ -1,6 +1,5 @@
-##
+## SPDX-License-Identifier: 0BSD
 ## Author: Lasse Collin
-##
 
 EXTRA_DIST += lzma/fastpos_tablegen.c
 
diff --git a/src/liblzma/lzma/fastpos.h b/src/liblzma/lzma/fastpos.h
index 01be5406..d3969a75 100644
--- a/src/liblzma/lzma/fastpos.h
+++ b/src/liblzma/lzma/fastpos.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       fastpos.h
diff --git a/src/liblzma/lzma/fastpos_tablegen.c b/src/liblzma/lzma/fastpos_tablegen.c
index 9eb19fbd..cb8e3eb9 100644
--- a/src/liblzma/lzma/fastpos_tablegen.c
+++ b/src/liblzma/lzma/fastpos_tablegen.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       fastpos_tablegen.c
diff --git a/src/liblzma/lzma/lzma2_decoder.c b/src/liblzma/lzma/lzma2_decoder.c
index 5f6e3495..37ab253f 100644
--- a/src/liblzma/lzma/lzma2_decoder.c
+++ b/src/liblzma/lzma/lzma2_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzma2_decoder.c
diff --git a/src/liblzma/lzma/lzma2_decoder.h b/src/liblzma/lzma/lzma2_decoder.h
index acea1eb2..cdd8b463 100644
--- a/src/liblzma/lzma/lzma2_decoder.h
+++ b/src/liblzma/lzma/lzma2_decoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzma2_decoder.h
diff --git a/src/liblzma/lzma/lzma2_encoder.c b/src/liblzma/lzma/lzma2_encoder.c
index 9ec32cf7..e20b75b3 100644
--- a/src/liblzma/lzma/lzma2_encoder.c
+++ b/src/liblzma/lzma/lzma2_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzma2_encoder.c
diff --git a/src/liblzma/lzma/lzma2_encoder.h b/src/liblzma/lzma/lzma2_encoder.h
index e488860c..29966a66 100644
--- a/src/liblzma/lzma/lzma2_encoder.h
+++ b/src/liblzma/lzma/lzma2_encoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzma2_encoder.h
diff --git a/src/liblzma/lzma/lzma_common.h b/src/liblzma/lzma/lzma_common.h
index 6f040467..77b62955 100644
--- a/src/liblzma/lzma/lzma_common.h
+++ b/src/liblzma/lzma/lzma_common.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzma_common.h
diff --git a/src/liblzma/lzma/lzma_decoder.c b/src/liblzma/lzma/lzma_decoder.c
index a82f0da9..cf437d88 100644
--- a/src/liblzma/lzma/lzma_decoder.c
+++ b/src/liblzma/lzma/lzma_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzma_decoder.c
diff --git a/src/liblzma/lzma/lzma_decoder.h b/src/liblzma/lzma/lzma_decoder.h
index 38baddbc..9730f56f 100644
--- a/src/liblzma/lzma/lzma_decoder.h
+++ b/src/liblzma/lzma/lzma_decoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzma_decoder.h
diff --git a/src/liblzma/lzma/lzma_encoder.c b/src/liblzma/lzma/lzma_encoder.c
index 8779ad88..eba48a41 100644
--- a/src/liblzma/lzma/lzma_encoder.c
+++ b/src/liblzma/lzma/lzma_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzma_encoder.c
diff --git a/src/liblzma/lzma/lzma_encoder.h b/src/liblzma/lzma/lzma_encoder.h
index 2d3d1f3b..e8ae8079 100644
--- a/src/liblzma/lzma/lzma_encoder.h
+++ b/src/liblzma/lzma/lzma_encoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzma_encoder.h
diff --git a/src/liblzma/lzma/lzma_encoder_optimum_fast.c b/src/liblzma/lzma/lzma_encoder_optimum_fast.c
index eb95e74b..0f063d5b 100644
--- a/src/liblzma/lzma/lzma_encoder_optimum_fast.c
+++ b/src/liblzma/lzma/lzma_encoder_optimum_fast.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzma_encoder_optimum_fast.c
diff --git a/src/liblzma/lzma/lzma_encoder_optimum_normal.c b/src/liblzma/lzma/lzma_encoder_optimum_normal.c
index 63fb81e0..6b384fe0 100644
--- a/src/liblzma/lzma/lzma_encoder_optimum_normal.c
+++ b/src/liblzma/lzma/lzma_encoder_optimum_normal.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzma_encoder_optimum_normal.c
diff --git a/src/liblzma/lzma/lzma_encoder_presets.c b/src/liblzma/lzma/lzma_encoder_presets.c
index 87afd85b..e53483f9 100644
--- a/src/liblzma/lzma/lzma_encoder_presets.c
+++ b/src/liblzma/lzma/lzma_encoder_presets.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzma_encoder_presets.c
diff --git a/src/liblzma/lzma/lzma_encoder_private.h b/src/liblzma/lzma/lzma_encoder_private.h
index 83610833..6c79b0a0 100644
--- a/src/liblzma/lzma/lzma_encoder_private.h
+++ b/src/liblzma/lzma/lzma_encoder_private.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       lzma_encoder_private.h
diff --git a/src/liblzma/rangecoder/Makefile.inc b/src/liblzma/rangecoder/Makefile.inc
index 0134d1a1..9a00e6e1 100644
--- a/src/liblzma/rangecoder/Makefile.inc
+++ b/src/liblzma/rangecoder/Makefile.inc
@@ -1,6 +1,5 @@
-##
+## SPDX-License-Identifier: 0BSD
 ## Author: Lasse Collin
-##
 
 EXTRA_DIST += rangecoder/price_tablegen.c
 
diff --git a/src/liblzma/rangecoder/price.h b/src/liblzma/rangecoder/price.h
index 9d57c111..cce6bdae 100644
--- a/src/liblzma/rangecoder/price.h
+++ b/src/liblzma/rangecoder/price.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       price.h
diff --git a/src/liblzma/rangecoder/price_tablegen.c b/src/liblzma/rangecoder/price_tablegen.c
index 65c9fa89..94a3b1f1 100644
--- a/src/liblzma/rangecoder/price_tablegen.c
+++ b/src/liblzma/rangecoder/price_tablegen.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       price_tablegen.c
diff --git a/src/liblzma/rangecoder/range_common.h b/src/liblzma/rangecoder/range_common.h
index cc0a7fba..b72b7d46 100644
--- a/src/liblzma/rangecoder/range_common.h
+++ b/src/liblzma/rangecoder/range_common.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       range_common.h
diff --git a/src/liblzma/rangecoder/range_decoder.h b/src/liblzma/rangecoder/range_decoder.h
index 2cb3bedd..a38e6aa3 100644
--- a/src/liblzma/rangecoder/range_decoder.h
+++ b/src/liblzma/rangecoder/range_decoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       range_decoder.h
diff --git a/src/liblzma/rangecoder/range_encoder.h b/src/liblzma/rangecoder/range_encoder.h
index 5dff9de1..8f62a47a 100644
--- a/src/liblzma/rangecoder/range_encoder.h
+++ b/src/liblzma/rangecoder/range_encoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       range_encoder.h
diff --git a/src/liblzma/simple/Makefile.inc b/src/liblzma/simple/Makefile.inc
index 416ea8ef..f42ad1ba 100644
--- a/src/liblzma/simple/Makefile.inc
+++ b/src/liblzma/simple/Makefile.inc
@@ -1,6 +1,5 @@
-##
+## SPDX-License-Identifier: 0BSD
 ## Author: Lasse Collin
-##
 
 liblzma_la_SOURCES += \
 	simple/simple_coder.c \
diff --git a/src/liblzma/simple/arm.c b/src/liblzma/simple/arm.c
index 77d7e133..58acb2d1 100644
--- a/src/liblzma/simple/arm.c
+++ b/src/liblzma/simple/arm.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       arm.c
diff --git a/src/liblzma/simple/arm64.c b/src/liblzma/simple/arm64.c
index b8166157..0a73f6c8 100644
--- a/src/liblzma/simple/arm64.c
+++ b/src/liblzma/simple/arm64.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       arm64.c
diff --git a/src/liblzma/simple/armthumb.c b/src/liblzma/simple/armthumb.c
index 832cc77e..f1eeca9b 100644
--- a/src/liblzma/simple/armthumb.c
+++ b/src/liblzma/simple/armthumb.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       armthumb.c
diff --git a/src/liblzma/simple/ia64.c b/src/liblzma/simple/ia64.c
index 1cfa7fdb..50250140 100644
--- a/src/liblzma/simple/ia64.c
+++ b/src/liblzma/simple/ia64.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       ia64.c
diff --git a/src/liblzma/simple/powerpc.c b/src/liblzma/simple/powerpc.c
index 448da739..ba6cfbef 100644
--- a/src/liblzma/simple/powerpc.c
+++ b/src/liblzma/simple/powerpc.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       powerpc.c
diff --git a/src/liblzma/simple/riscv.c b/src/liblzma/simple/riscv.c
index eeb79fad..7b30da83 100644
--- a/src/liblzma/simple/riscv.c
+++ b/src/liblzma/simple/riscv.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       riscv.c
diff --git a/src/liblzma/simple/simple_coder.c b/src/liblzma/simple/simple_coder.c
index 05b50b53..5cbfa822 100644
--- a/src/liblzma/simple/simple_coder.c
+++ b/src/liblzma/simple/simple_coder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       simple_coder.c
diff --git a/src/liblzma/simple/simple_coder.h b/src/liblzma/simple/simple_coder.h
index 431059e1..c9ccc3f1 100644
--- a/src/liblzma/simple/simple_coder.h
+++ b/src/liblzma/simple/simple_coder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       simple_coder.h
diff --git a/src/liblzma/simple/simple_decoder.c b/src/liblzma/simple/simple_decoder.c
index 6823eb1e..d9820ee8 100644
--- a/src/liblzma/simple/simple_decoder.c
+++ b/src/liblzma/simple/simple_decoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       simple_decoder.c
diff --git a/src/liblzma/simple/simple_decoder.h b/src/liblzma/simple/simple_decoder.h
index fc06da91..2ae87bb8 100644
--- a/src/liblzma/simple/simple_decoder.h
+++ b/src/liblzma/simple/simple_decoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       simple_decoder.h
diff --git a/src/liblzma/simple/simple_encoder.c b/src/liblzma/simple/simple_encoder.c
index 9e17ec29..d1f35096 100644
--- a/src/liblzma/simple/simple_encoder.c
+++ b/src/liblzma/simple/simple_encoder.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       simple_encoder.c
diff --git a/src/liblzma/simple/simple_encoder.h b/src/liblzma/simple/simple_encoder.h
index ec4b723e..bf5edbb1 100644
--- a/src/liblzma/simple/simple_encoder.h
+++ b/src/liblzma/simple/simple_encoder.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       simple_encoder.c
diff --git a/src/liblzma/simple/simple_private.h b/src/liblzma/simple/simple_private.h
index e4068dd0..7aa360ff 100644
--- a/src/liblzma/simple/simple_private.h
+++ b/src/liblzma/simple/simple_private.h
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       simple_private.h
diff --git a/src/liblzma/simple/sparc.c b/src/liblzma/simple/sparc.c
index a6f2f074..e8ad285a 100644
--- a/src/liblzma/simple/sparc.c
+++ b/src/liblzma/simple/sparc.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       sparc.c
diff --git a/src/liblzma/simple/x86.c b/src/liblzma/simple/x86.c
index b848f5f9..10d70e91 100644
--- a/src/liblzma/simple/x86.c
+++ b/src/liblzma/simple/x86.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: 0BSD
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 /// \file       x86.c
diff --git a/src/liblzma/validate_map.sh b/src/liblzma/validate_map.sh
index 92f5daaa..5adf70b8 100644
--- a/src/liblzma/validate_map.sh
+++ b/src/liblzma/validate_map.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+# SPDX-License-Identifier: 0BSD
 
 ###############################################################################
 #