Fix MainView constructor error on GCC < 9.4

Fix NaN compilation error on MSVC
Merge branch 'master' into eevee-rewrite
2022-01-27 22:19:38 +01:00 · 2022-01-27 21:39:42 +01:00 · 2022-01-27 21:38:05 +01:00 · 2022-01-27 19:33:09 +01:00 · 2022-01-27 18:46:38 +01:00 · 2022-01-27 18:41:53 +01:00
7000 changed files with 160058 additions and 90843 deletions
--- a/.clang-format
+++ b/.clang-format
@@ -264,6 +264,9 @@ ForEachMacros:
  - SET_SLOT_PROBING_BEGIN
  - MAP_SLOT_PROBING_BEGIN
  - VECTOR_SET_SLOT_PROBING_BEGIN
+  - LIGHT_FOREACH_BEGIN_DIRECTIONAL
+  - LIGHT_FOREACH_BEGIN_LOCAL
+  - LIGHT_FOREACH_BEGIN_LOCAL_NO_CULL

 StatementMacros:
  - PyObject_HEAD
--- a/.editorconfig
+++ b/.editorconfig
@@ -42,12 +42,3 @@ insert_final_newline = true
 indent_style = space
 indent_size = 3
 max_line_length = 120
-
-# Makefile
-[{Makefile,GNUmakefile}]
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = tab
-indent_size = 4
-max_line_length = 120
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,23 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
-# Copyright 2006 Blender Foundation. All rights reserved.
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# The Original Code is Copyright (C) 2006, Blender Foundation
+# All rights reserved.
+#
+# ***** END GPL LICENSE BLOCK *****

 #-----------------------------------------------------------------------------
 # We don't allow in-source builds. This causes no end of troubles because
@@ -139,9 +157,8 @@ option(WITH_BLENDER "Build blender (disable to build only the blender player)" O
 mark_as_advanced(WITH_BLENDER)

 if(APPLE)
-  # In future, can be used with `quicklookthumbnailing/qlthumbnailreply` to create file
-  # thumbnails for say Finder. Turn it off for now.
-  option(WITH_BLENDER_THUMBNAILER "Build \"blender-thumbnailer\" thumbnail extraction utility" OFF)
+  # Currently this causes a build error linking, disable.
+  set(WITH_BLENDER_THUMBNAILER OFF)
 elseif(WIN32)
  option(WITH_BLENDER_THUMBNAILER "Build \"BlendThumb.dll\" helper for Windows explorer integration" ON)
 else()
@@ -502,7 +519,7 @@ else()
  set(WITH_EXPERIMENTAL_FEATURES OFF)
 endif()

-# Unit testing
+# Unit testsing
 option(WITH_GTESTS "Enable GTest unit testing" OFF)
 option(WITH_OPENGL_RENDER_TESTS "Enable OpenGL render related unit testing (Experimental)" OFF)
 option(WITH_OPENGL_DRAW_TESTS "Enable OpenGL UI drawing related unit testing (Experimental)" OFF)
@@ -668,7 +685,7 @@ if(WIN32 OR XCODE)
  option(IDE_GROUP_PROJECTS_IN_FOLDERS "Organize the projects according to source folder structure." ON)
  mark_as_advanced(IDE_GROUP_PROJECTS_IN_FOLDERS)

-  if(IDE_GROUP_PROJECTS_IN_FOLDERS)
+  if (IDE_GROUP_PROJECTS_IN_FOLDERS)
    set_property(GLOBAL PROPERTY USE_FOLDERS ON)
  endif()
 endif()
@@ -866,7 +883,7 @@ if(WITH_CYCLES_DEVICE_HIP)
 endif()

 #-----------------------------------------------------------------------------
-# Check if submodules are cloned.
+# Check check if submodules are cloned

 if(WITH_INTERNATIONAL)
  file(GLOB RESULT "${CMAKE_SOURCE_DIR}/release/datafiles/locale")
@@ -889,8 +906,8 @@ if(WITH_PYTHON)
  # Do this before main 'platform_*' checks,
  # because UNIX will search for the old Python paths which may not exist.
  # giving errors about missing paths before this case is met.
-  if(DEFINED PYTHON_VERSION AND "${PYTHON_VERSION}" VERSION_LESS "3.10")
-    message(FATAL_ERROR "At least Python 3.10 is required to build, but found Python ${PYTHON_VERSION}")
+  if(DEFINED PYTHON_VERSION AND "${PYTHON_VERSION}" VERSION_LESS "3.9")
+    message(FATAL_ERROR "At least Python 3.9 is required to build, but found Python ${PYTHON_VERSION}")
  endif()

  file(GLOB RESULT "${CMAKE_SOURCE_DIR}/release/scripts/addons")
@@ -1886,6 +1903,7 @@ elseif(WITH_CYCLES_STANDALONE)
  add_subdirectory(intern/glew-mx)
  add_subdirectory(intern/guardedalloc)
  add_subdirectory(intern/libc_compat)
+  add_subdirectory(intern/numaapi)
  add_subdirectory(intern/sky)

  add_subdirectory(intern/cycles)
--- a/145
+++ b/145
@@ -1,4 +1,23 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# -*- mode: gnumakefile; tab-width: 4; indent-tabs-mode: t; -*-
+# vim: tabstop=4
+#
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software Foundation,
+#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####

 # This Makefile does an out-of-source CMake build in ../build_`OS`_`CPU`
 # eg:
@@ -32,7 +51,7 @@ Other Convenience Targets
   * config:        Run cmake configuration tool to set build options.
   * deps:          Build library dependencies (intended only for platform maintainers).

-                    The existence of locally build dependencies overrides the pre-built dependencies from subversion.
+                    The existance of locally build dependencies overrides the pre-built dependencies from subversion.
                    These must be manually removed from '../lib/' to go back to using the pre-compiled libraries.

 Project Files
@@ -44,6 +63,8 @@ Project Files

 Package Targets

+   * package_debian:    Build a debian package.
+   * package_pacman:    Build an arch linux pacman package.
   * package_archive:   Build an archive package.

 Testing Targets
@@ -51,25 +72,24 @@ Testing Targets

   * test:
     Run automated tests with ctest.
+   * test_cmake:
+     Runs our own cmake file checker
+     which detects errors in the cmake file list definitions
+   * test_pep8:
+     Checks all python script are pep8
+     which are tagged to use the stricter formatting
+   * test_deprecated:
+     Checks for deprecation tags in our code which may need to be removed

 Static Source Code Checking
   Not associated with building Blender.

   * check_cppcheck:        Run blender source through cppcheck (C & C++).
   * check_clang_array:     Run blender source through clang array checking script (C & C++).
-   * check_deprecated:      Check if there is any deprecated code to remove.
   * check_splint:          Run blenders source through splint (C only).
   * check_sparse:          Run blenders source through sparse (C only).
   * check_smatch:          Run blenders source through smatch (C only).
   * check_descriptions:    Check for duplicate/invalid descriptions.
-   * check_licenses:        Check license headers follow the SPDX license specification,
-                            using one of the accepted licenses in 'doc/license/SPDX-license-identifiers.txt'
-                            Append with 'SHOW_HEADERS=1' to show all unique headers
-                            which can be useful for spotting license irregularities.
-   * check_cmake:           Runs our own cmake file checker which detects errors in the cmake file list definitions.
-   * check_pep8:            Checks all Python script are pep8 which are tagged to use the stricter formatting.
-   * check_mypy:            Checks all Python scripts using mypy,
-                            see: source/tools/check_source/check_mypy_config.py scripts which are included.

 Spell Checkers
   This runs the spell checker from the developer tools repositor.
@@ -199,7 +219,7 @@ endif
 # in libraries, or python 2 for running make update to get it.
 ifeq ($(OS_NCASE),darwin)
 	ifeq (, $(shell command -v $(PYTHON)))
-		PYTHON:=$(DEPS_INSTALL_DIR)/python/bin/python3.10
+		PYTHON:=$(DEPS_INSTALL_DIR)/python/bin/python3.7m
 		ifeq (, $(shell command -v $(PYTHON)))
 			PYTHON:=python
 		endif
@@ -308,7 +328,7 @@ CMAKE_CONFIG = cmake $(CMAKE_CONFIG_ARGS) \
 # -----------------------------------------------------------------------------
 # Tool for 'make config'

-# X11 specific.
+# X11 spesific
 ifdef DISPLAY
 	CMAKE_CONFIG_TOOL = cmake-gui
 else
@@ -385,6 +405,11 @@ help: .FORCE
 # -----------------------------------------------------------------------------
 # Packages
 #
+package_debian: .FORCE
+	cd build_files/package_spec ; DEB_BUILD_OPTIONS="parallel=$(NPROCS)" sh ./build_debian.sh
+
+package_pacman: .FORCE
+	cd build_files/package_spec/pacman ; MAKEFLAGS="-j$(NPROCS)" makepkg

 package_archive: .FORCE
 	make -C "$(BUILD_DIR)" -s package_archive
@@ -395,7 +420,21 @@ package_archive: .FORCE
 # Tests
 #
 test: .FORCE
-	@$(PYTHON) ./build_files/utils/make_test.py "$(BUILD_DIR)"
+	$(PYTHON) ./build_files/utils/make_test.py "$(BUILD_DIR)"
+
+# run pep8 check check on scripts we distribute.
+test_pep8: .FORCE
+	$(PYTHON) tests/python/pep8.py > test_pep8.log 2>&1
+	@echo "written: test_pep8.log"
+
+# run some checks on our cmakefiles.
+test_cmake: .FORCE
+	$(PYTHON) build_files/cmake/cmake_consistency_check.py > test_cmake_consistency.log 2>&1
+	@echo "written: test_cmake_consistency.log"
+
+# run deprecation tests, see if we have anything to remove.
+test_deprecated: .FORCE
+	$(PYTHON) tests/check_deprecated.py


 # -----------------------------------------------------------------------------
@@ -417,44 +456,44 @@ project_eclipse: .FORCE
 #

 check_cppcheck: .FORCE
-	@$(CMAKE_CONFIG)
-	@cd "$(BUILD_DIR)" ; \
+	$(CMAKE_CONFIG)
+	cd "$(BUILD_DIR)" ; \
 	$(PYTHON) \
 	    "$(BLENDER_DIR)/build_files/cmake/cmake_static_check_cppcheck.py" 2> \
 	    "$(BLENDER_DIR)/check_cppcheck.txt"
 	@echo "written: check_cppcheck.txt"

 check_clang_array: .FORCE
-	@$(CMAKE_CONFIG)
-	@cd "$(BUILD_DIR)" ; \
+	$(CMAKE_CONFIG)
+	cd "$(BUILD_DIR)" ; \
 	$(PYTHON) "$(BLENDER_DIR)/build_files/cmake/cmake_static_check_clang_array.py"

 check_splint: .FORCE
-	@$(CMAKE_CONFIG)
-	@cd "$(BUILD_DIR)" ; \
+	$(CMAKE_CONFIG)
+	cd "$(BUILD_DIR)" ; \
 	$(PYTHON) "$(BLENDER_DIR)/build_files/cmake/cmake_static_check_splint.py"

 check_sparse: .FORCE
-	@$(CMAKE_CONFIG)
-	@cd "$(BUILD_DIR)" ; \
+	$(CMAKE_CONFIG)
+	cd "$(BUILD_DIR)" ; \
 	$(PYTHON) "$(BLENDER_DIR)/build_files/cmake/cmake_static_check_sparse.py"

 check_smatch: .FORCE
-	@$(CMAKE_CONFIG)
-	@cd "$(BUILD_DIR)" ; \
+	$(CMAKE_CONFIG)
+	cd "$(BUILD_DIR)" ; \
 	$(PYTHON) "$(BLENDER_DIR)/build_files/cmake/cmake_static_check_smatch.py"

 check_mypy: .FORCE
-	@$(PYTHON) "$(BLENDER_DIR)/source/tools/check_source/check_mypy.py"
+	$(PYTHON) "$(BLENDER_DIR)/source/tools/check_source/check_mypy.py"

 check_spelling_py: .FORCE
-	@cd "$(BUILD_DIR)" ; \
+	cd "$(BUILD_DIR)" ; \
 	PYTHONIOENCODING=utf_8 $(PYTHON) \
 	    "$(BLENDER_DIR)/source/tools/check_source/check_spelling.py" \
 	    "$(BLENDER_DIR)/release/scripts"

 check_spelling_c: .FORCE
-	@cd "$(BUILD_DIR)" ; \
+	cd "$(BUILD_DIR)" ; \
 	PYTHONIOENCODING=utf_8 $(PYTHON) \
 	    "$(BLENDER_DIR)/source/tools/check_source/check_spelling.py" \
 	    --cache-file=$(CHECK_SPELLING_CACHE) \
@@ -464,70 +503,52 @@ check_spelling_c: .FORCE
 	    "$(BLENDER_DIR)/intern/ghost" \

 check_spelling_osl: .FORCE
-	@cd "$(BUILD_DIR)" ; \
+	cd "$(BUILD_DIR)" ;\
 	PYTHONIOENCODING=utf_8 $(PYTHON) \
 	    "$(BLENDER_DIR)/source/tools/check_source/check_spelling.py" \
 	    --cache-file=$(CHECK_SPELLING_CACHE) \
 	    "$(BLENDER_DIR)/intern/cycles/kernel/shaders"

 check_descriptions: .FORCE
-	@$(BLENDER_BIN) --background -noaudio --factory-startup --python \
+	$(BLENDER_BIN) --background -noaudio --factory-startup --python \
 	    "$(BLENDER_DIR)/source/tools/check_source/check_descriptions.py"

-check_deprecated: .FORCE
-	@PYTHONIOENCODING=utf_8 $(PYTHON) \
-	    source/tools/check_source/check_deprecated.py
-
-check_licenses: .FORCE
-	@PYTHONIOENCODING=utf_8 $(PYTHON) \
-	    "$(BLENDER_DIR)/source/tools/check_source/check_licenses.py" \
-	    "--show-headers=$(SHOW_HEADERS)"
-
-check_pep8: .FORCE
-	@PYTHONIOENCODING=utf_8 $(PYTHON) \
-	    tests/python/pep8.py
-
-check_cmake: .FORCE
-	@PYTHONIOENCODING=utf_8 $(PYTHON) \
-	    source/tools/check_source/check_cmake_consistency.py
-
-
 # -----------------------------------------------------------------------------
 # Utilities
 #

 source_archive: .FORCE
-	@$(PYTHON) ./build_files/utils/make_source_archive.py
+	python3 ./build_files/utils/make_source_archive.py

 source_archive_complete: .FORCE
-	@cmake \
+	cmake \
 	    -S "$(BLENDER_DIR)/build_files/build_environment" -B"$(BUILD_DIR)/source_archive" \
 	    -DCMAKE_BUILD_TYPE_INIT:STRING=$(BUILD_TYPE) -DPACKAGE_USE_UPSTREAM_SOURCES=OFF
 # This assumes CMake is still using a default `PACKAGE_DIR` variable:
-	@$(PYTHON) ./build_files/utils/make_source_archive.py --include-packages "$(BUILD_DIR)/source_archive/packages"
+	python3 ./build_files/utils/make_source_archive.py --include-packages "$(BUILD_DIR)/source_archive/packages"


 INKSCAPE_BIN?="inkscape"
 icons: .FORCE
-	@BLENDER_BIN=$(BLENDER_BIN) INKSCAPE_BIN=$(INKSCAPE_BIN) \
+	BLENDER_BIN=$(BLENDER_BIN) INKSCAPE_BIN=$(INKSCAPE_BIN) \
 	    "$(BLENDER_DIR)/release/datafiles/blender_icons_update.py"
-	@INKSCAPE_BIN=$(INKSCAPE_BIN) \
+	INKSCAPE_BIN=$(INKSCAPE_BIN) \
 	    "$(BLENDER_DIR)/release/datafiles/prvicons_update.py"
-	@INKSCAPE_BIN=$(INKSCAPE_BIN) \
+	INKSCAPE_BIN=$(INKSCAPE_BIN) \
 	    "$(BLENDER_DIR)/release/datafiles/alert_icons_update.py"

 icons_geom: .FORCE
-	@BLENDER_BIN=$(BLENDER_BIN) \
+	BLENDER_BIN=$(BLENDER_BIN) \
 	    "$(BLENDER_DIR)/release/datafiles/blender_icons_geom_update.py"

 update: .FORCE
-	@$(PYTHON) ./build_files/utils/make_update.py
+	$(PYTHON) ./build_files/utils/make_update.py

 update_code: .FORCE
-	@$(PYTHON) ./build_files/utils/make_update.py --no-libraries
+	$(PYTHON) ./build_files/utils/make_update.py --no-libraries

 format: .FORCE
-	@PATH="../lib/${OS_NCASE}_${CPU}/llvm/bin/:../lib/${OS_NCASE}_centos7_${CPU}/llvm/bin/:../lib/${OS_NCASE}/llvm/bin/:$(PATH)" \
+	PATH="../lib/${OS_NCASE}_${CPU}/llvm/bin/:../lib/${OS_NCASE}_centos7_${CPU}/llvm/bin/:../lib/${OS_NCASE}/llvm/bin/:$(PATH)" \
 	    $(PYTHON) source/tools/utils_maintenance/clang_format_paths.py $(PATHS)


@@ -537,25 +558,25 @@ format: .FORCE

 # Simple version of ./doc/python_api/sphinx_doc_gen.sh with no PDF generation.
 doc_py: .FORCE
-	@ASAN_OPTIONS=halt_on_error=0:${ASAN_OPTIONS} \
+	ASAN_OPTIONS=halt_on_error=0:${ASAN_OPTIONS} \
 	$(BLENDER_BIN) \
 	    --background -noaudio --factory-startup \
 	    --python doc/python_api/sphinx_doc_gen.py
-	@sphinx-build -b html -j $(NPROCS) doc/python_api/sphinx-in doc/python_api/sphinx-out
+	sphinx-build -b html -j $(NPROCS) doc/python_api/sphinx-in doc/python_api/sphinx-out
 	@echo "docs written into: '$(BLENDER_DIR)/doc/python_api/sphinx-out/index.html'"

 doc_doxy: .FORCE
-	@cd doc/doxygen; doxygen Doxyfile
+	cd doc/doxygen; doxygen Doxyfile
 	@echo "docs written into: '$(BLENDER_DIR)/doc/doxygen/html/index.html'"

 doc_dna: .FORCE
-	@$(BLENDER_BIN) \
+	$(BLENDER_BIN) \
 	    --background -noaudio --factory-startup \
 	    --python doc/blender_file_format/BlendFileDnaExporter_25.py
 	@echo "docs written into: '$(BLENDER_DIR)/doc/blender_file_format/dna.html'"

 doc_man: .FORCE
-	@$(PYTHON) doc/manpage/blender.1.py --blender="$(BLENDER_BIN)" --output=blender.1 --verbose
+	$(PYTHON) doc/manpage/blender.1.py $(BLENDER_BIN) blender.1

 help_features: .FORCE
 	@$(PYTHON) "$(BLENDER_DIR)/build_files/cmake/cmake_print_build_options.py" $(BLENDER_DIR)"/CMakeLists.txt"
--- a/build_files/build_environment/CMakeLists.txt
+++ b/build_files/build_environment/CMakeLists.txt
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ####################################################################################################
 #
--- a/build_files/build_environment/cmake/alembic.cmake
+++ b/build_files/build_environment/cmake/alembic.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(ALEMBIC_EXTRA_ARGS
  -DBUILDSTATIC=ON
--- a/build_files/build_environment/cmake/blosc.cmake
+++ b/build_files/build_environment/cmake/blosc.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(BLOSC_EXTRA_ARGS
  -DZLIB_INCLUDE_DIR=${LIBDIR}/zlib/include/
--- a/build_files/build_environment/cmake/boost.cmake
+++ b/build_files/build_environment/cmake/boost.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(BOOST_ADDRESS_MODEL 64)

--- a/build_files/build_environment/cmake/brotli.cmake
+++ b/build_files/build_environment/cmake/brotli.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(BROTLI_EXTRA_ARGS
 )
--- a/build_files/build_environment/cmake/bzip2.cmake
+++ b/build_files/build_environment/cmake/bzip2.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(BZIP2_PREFIX "${LIBDIR}/bzip2")
 set(BZIP2_CONFIGURE_ENV echo .)
--- a/build_files/build_environment/cmake/check_software.cmake
+++ b/build_files/build_environment/cmake/check_software.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(UNIX)
  if(APPLE)
--- a/build_files/build_environment/cmake/clew.cmake
+++ b/build_files/build_environment/cmake/clew.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(CLEW_EXTRA_ARGS)

--- a/build_files/build_environment/cmake/cuew.cmake
+++ b/build_files/build_environment/cmake/cuew.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(CUEW_EXTRA_ARGS)

--- a/build_files/build_environment/cmake/download.cmake
+++ b/build_files/build_environment/cmake/download.cmake
@@ -1,5 +1,3 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
-
 function(download_source dep)
  set(TARGET_FILE ${${dep}_FILE})
  set(TARGET_HASH_TYPE ${${dep}_HASH_TYPE})
--- a/build_files/build_environment/cmake/embree.cmake
+++ b/build_files/build_environment/cmake/embree.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 # Note the utility apps may use png/tiff/gif system libraries, but the
 # library itself does not depend on them, so should give no problems.
--- a/build_files/build_environment/cmake/expat.cmake
+++ b/build_files/build_environment/cmake/expat.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(EXPAT_EXTRA_ARGS
  -DEXPAT_BUILD_DOCS=OFF
--- a/build_files/build_environment/cmake/ffi.cmake
+++ b/build_files/build_environment/cmake/ffi.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ExternalProject_Add(external_ffi
  URL file://${PACKAGE_DIR}/${FFI_FILE}
--- a/build_files/build_environment/cmake/ffmpeg.cmake
+++ b/build_files/build_environment/cmake/ffmpeg.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(FFMPEG_CFLAGS "-I${mingw_LIBDIR}/lame/include -I${mingw_LIBDIR}/openjpeg/include/ -I${mingw_LIBDIR}/ogg/include -I${mingw_LIBDIR}/vorbis/include -I${mingw_LIBDIR}/theora/include -I${mingw_LIBDIR}/opus/include -I${mingw_LIBDIR}/vpx/include -I${mingw_LIBDIR}/x264/include -I${mingw_LIBDIR}/xvidcore/include -I${mingw_LIBDIR}/zlib/include")
 set(FFMPEG_LDFLAGS "-L${mingw_LIBDIR}/lame/lib -L${mingw_LIBDIR}/openjpeg/lib -L${mingw_LIBDIR}/ogg/lib -L${mingw_LIBDIR}/vorbis/lib -L${mingw_LIBDIR}/theora/lib -L${mingw_LIBDIR}/opus/lib -L${mingw_LIBDIR}/vpx/lib -L${mingw_LIBDIR}/x264/lib -L${mingw_LIBDIR}/xvidcore/lib -L${mingw_LIBDIR}/zlib/lib")
--- a/build_files/build_environment/cmake/fftw.cmake
+++ b/build_files/build_environment/cmake/fftw.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(FFTW_EXTRA_ARGS)

--- a/build_files/build_environment/cmake/flac.cmake
+++ b/build_files/build_environment/cmake/flac.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ExternalProject_Add(external_flac
  URL file://${PACKAGE_DIR}/${FLAC_FILE}
--- a/build_files/build_environment/cmake/flex.cmake
+++ b/build_files/build_environment/cmake/flex.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ExternalProject_Add(external_flex
  URL file://${PACKAGE_DIR}/${FLEX_FILE}
--- a/build_files/build_environment/cmake/flexbison.cmake
+++ b/build_files/build_environment/cmake/flexbison.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(FLEXBISON_EXTRA_ARGS)

--- a/build_files/build_environment/cmake/freeglut.cmake
+++ b/build_files/build_environment/cmake/freeglut.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(WIN32)
  if(BUILD_MODE STREQUAL Release)
--- a/build_files/build_environment/cmake/freetype.cmake
+++ b/build_files/build_environment/cmake/freetype.cmake
@@ -1,12 +1,31 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(FREETYPE_EXTRA_ARGS
  -DCMAKE_RELEASE_POSTFIX:STRING=2ST
  -DCMAKE_DEBUG_POSTFIX:STRING=2ST_d
-  -DFT_DISABLE_BZIP2=ON
-  -DFT_DISABLE_HARFBUZZ=ON
-  -DFT_DISABLE_PNG=ON
-  -DFT_REQUIRE_BROTLI=ON
+  -DWITH_BZip2=OFF
+  -DWITH_HarfBuzz=OFF
+  -DFT_WITH_HARFBUZZ=OFF
+  -DFT_WITH_BZIP2=OFF
+  -DFT_WITH_BROTLI=ON
+  -DCMAKE_DISABLE_FIND_PACKAGE_HarfBuzz=TRUE
+  -DCMAKE_DISABLE_FIND_PACKAGE_BZip2=TRUE
  -DPC_BROTLIDEC_INCLUDEDIR=${LIBDIR}/brotli/include
  -DPC_BROTLIDEC_LIBDIR=${LIBDIR}/brotli/lib
  )
--- a/build_files/build_environment/cmake/glew.cmake
+++ b/build_files/build_environment/cmake/glew.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(GLEW_EXTRA_ARGS
  -DBUILD_UTILS=Off
--- a/build_files/build_environment/cmake/glfw.cmake
+++ b/build_files/build_environment/cmake/glfw.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(GLFW_EXTRA_ARGS)

--- a/build_files/build_environment/cmake/gmp.cmake
+++ b/build_files/build_environment/cmake/gmp.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(GMP_EXTRA_ARGS -enable-cxx)

--- a/build_files/build_environment/cmake/haru.cmake
+++ b/build_files/build_environment/cmake/haru.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(HARU_EXTRA_ARGS
  -DLIBHPDF_SHARED=OFF
--- a/build_files/build_environment/cmake/harvest.cmake
+++ b/build_files/build_environment/cmake/harvest.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ########################################################################
 # Copy all generated files to the proper structure as blender prefers
--- a/build_files/build_environment/cmake/iconv.cmake
+++ b/build_files/build_environment/cmake/iconv.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(ICONV_EXTRA_ARGS)

--- a/build_files/build_environment/cmake/ispc.cmake
+++ b/build_files/build_environment/cmake/ispc.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(WIN32)
  set(ISPC_EXTRA_ARGS_WIN
--- a/build_files/build_environment/cmake/jemalloc.cmake
+++ b/build_files/build_environment/cmake/jemalloc.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ExternalProject_Add(external_jemalloc
  URL file://${PACKAGE_DIR}/${JEMALLOC_FILE}
--- a/build_files/build_environment/cmake/jpeg.cmake
+++ b/build_files/build_environment/cmake/jpeg.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(WIN32)
  # cmake for windows
--- a/build_files/build_environment/cmake/lame.cmake
+++ b/build_files/build_environment/cmake/lame.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(LAME_EXTRA_ARGS)
 if(MSVC)
--- a/build_files/build_environment/cmake/libglu.cmake
+++ b/build_files/build_environment/cmake/libglu.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(LIBGLU_CFLAGS "-static-libgcc")
 set(LIBGLU_CXXFLAGS "-static-libgcc -static-libstdc++ -Bstatic -lstdc++ -Bdynamic -l:libstdc++.a")
--- a/build_files/build_environment/cmake/llvm.cmake
+++ b/build_files/build_environment/cmake/llvm.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(BLENDER_PLATFORM_ARM)
  set(LLVM_TARGETS AArch64$<SEMICOLON>ARM)
--- a/build_files/build_environment/cmake/lzma.cmake
+++ b/build_files/build_environment/cmake/lzma.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(LZMA_PATCH_CMD echo .)

--- a/build_files/build_environment/cmake/mesa.cmake
+++ b/build_files/build_environment/cmake/mesa.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(MESA_CFLAGS "-static-libgcc")
 set(MESA_CXXFLAGS "-static-libgcc -static-libstdc++ -Bstatic -lstdc++ -Bdynamic -l:libstdc++.a")
--- a/build_files/build_environment/cmake/nanovdb.cmake
+++ b/build_files/build_environment/cmake/nanovdb.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(NANOVDB_EXTRA_ARGS
   # NanoVDB is header-only, so only need the install target
--- a/build_files/build_environment/cmake/nasm.cmake
+++ b/build_files/build_environment/cmake/nasm.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ExternalProject_Add(external_nasm
  URL file://${PACKAGE_DIR}/${NASM_FILE}
--- a/build_files/build_environment/cmake/numpy.cmake
+++ b/build_files/build_environment/cmake/numpy.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(MSVC)
  message("BIN >${PYTHON_BINARY}<")
--- a/build_files/build_environment/cmake/ogg.cmake
+++ b/build_files/build_environment/cmake/ogg.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ExternalProject_Add(external_ogg
  URL file://${PACKAGE_DIR}/${OGG_FILE}
--- a/build_files/build_environment/cmake/openal.cmake
+++ b/build_files/build_environment/cmake/openal.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(BUILD_MODE STREQUAL Release)
  set(OPENAL_EXTRA_ARGS
--- a/build_files/build_environment/cmake/opencollada.cmake
+++ b/build_files/build_environment/cmake/opencollada.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(UNIX)
  set(OPENCOLLADA_EXTRA_ARGS
--- a/build_files/build_environment/cmake/opencolorio.cmake
+++ b/build_files/build_environment/cmake/opencolorio.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(OPENCOLORIO_EXTRA_ARGS
  -DOCIO_BUILD_APPS=OFF
--- a/build_files/build_environment/cmake/openexr.cmake
+++ b/build_files/build_environment/cmake/openexr.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(WIN32)
  set(OPENEXR_CMAKE_CXX_STANDARD_LIBRARIES "kernel32${LIBEXT} user32${LIBEXT} gdi32${LIBEXT} winspool${LIBEXT} shell32${LIBEXT} ole32${LIBEXT} oleaut32${LIBEXT} uuid${LIBEXT} comdlg32${LIBEXT} advapi32${LIBEXT} psapi${LIBEXT}")
--- a/build_files/build_environment/cmake/openimagedenoise.cmake
+++ b/build_files/build_environment/cmake/openimagedenoise.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****


 set(OIDN_EXTRA_ARGS
--- a/build_files/build_environment/cmake/openimageio.cmake
+++ b/build_files/build_environment/cmake/openimageio.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(BUILD_MODE STREQUAL Release)
  set(OIIO_TOOLS ON)
--- a/build_files/build_environment/cmake/openjpeg.cmake
+++ b/build_files/build_environment/cmake/openjpeg.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 # Note the encoder/decoder may use png/tiff/lcms system libraries, but the
 # library itself does not depend on them, so should give no problems.
--- a/build_files/build_environment/cmake/openmp.cmake
+++ b/build_files/build_environment/cmake/openmp.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(APPLE)
  set(OPENMP_PATCH_COMMAND ${PATCH_CMD} -p 1 -d ${BUILD_DIR}/openmp/src/external_openmp < ${PATCH_DIR}/openmp.diff)
--- a/build_files/build_environment/cmake/opensubdiv.cmake
+++ b/build_files/build_environment/cmake/opensubdiv.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(OPENSUBDIV_EXTRA_ARGS
  -DNO_EXAMPLES=ON
--- a/build_files/build_environment/cmake/openvdb.cmake
+++ b/build_files/build_environment/cmake/openvdb.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(BUILD_MODE STREQUAL Debug)
  set(BLOSC_POST _d)
--- a/build_files/build_environment/cmake/options.cmake
+++ b/build_files/build_environment/cmake/options.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(WIN32)
  option(ENABLE_MINGW64 "Enable building of ffmpeg/iconv/libsndfile/fftw3 by installing mingw64" ON)
--- a/build_files/build_environment/cmake/opus.cmake
+++ b/build_files/build_environment/cmake/opus.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ExternalProject_Add(external_opus
  URL file://${PACKAGE_DIR}/${OPUS_FILE}
--- a/build_files/build_environment/cmake/osl.cmake
+++ b/build_files/build_environment/cmake/osl.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(WIN32)
  set(OSL_CMAKE_CXX_STANDARD_LIBRARIES "kernel32${LIBEXT} user32${LIBEXT} gdi32${LIBEXT} winspool${LIBEXT} shell32${LIBEXT} ole32${LIBEXT} oleaut32${LIBEXT} uuid${LIBEXT} comdlg32${LIBEXT} advapi32${LIBEXT} psapi${LIBEXT}")
--- a/build_files/build_environment/cmake/package_python.cmake
+++ b/build_files/build_environment/cmake/package_python.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(MSVC)
  set(PYTARGET ${HARVEST_TARGET}/python/${PYTHON_SHORT_VERSION_NO_DOTS})
--- a/build_files/build_environment/cmake/png.cmake
+++ b/build_files/build_environment/cmake/png.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(PNG_EXTRA_ARGS
  -DZLIB_LIBRARY=${LIBDIR}/zlib/lib/${ZLIB_LIBRARY}
--- a/build_files/build_environment/cmake/potrace.cmake
+++ b/build_files/build_environment/cmake/potrace.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(POTRACE_EXTRA_ARGS
 )
--- a/build_files/build_environment/cmake/pthreads.cmake
+++ b/build_files/build_environment/cmake/pthreads.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(WIN32)

--- a/build_files/build_environment/cmake/pugixml.cmake
+++ b/build_files/build_environment/cmake/pugixml.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(PUGIXML_EXTRA_ARGS
 )
--- a/build_files/build_environment/cmake/python.cmake
+++ b/build_files/build_environment/cmake/python.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(PYTHON_POSTFIX)
 if(BUILD_MODE STREQUAL Debug)
--- a/build_files/build_environment/cmake/python_site_packages.cmake
+++ b/build_files/build_environment/cmake/python_site_packages.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(WIN32 AND BUILD_MODE STREQUAL Debug)
  set(SITE_PACKAGES_EXTRA --global-option build --global-option --debug)
--- a/build_files/build_environment/cmake/sdl.cmake
+++ b/build_files/build_environment/cmake/sdl.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(WIN32)
  set(SDL_EXTRA_ARGS
--- a/build_files/build_environment/cmake/setup_mingw64.cmake
+++ b/build_files/build_environment/cmake/setup_mingw64.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ####################################################################################################################
 # Mingw64 Builds
--- a/build_files/build_environment/cmake/sndfile.cmake
+++ b/build_files/build_environment/cmake/sndfile.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(SNDFILE_EXTRA_ARGS)
 set(SNDFILE_ENV PKG_CONFIG_PATH=${mingw_LIBDIR}/ogg/lib/pkgconfig:${mingw_LIBDIR}/vorbis/lib/pkgconfig:${mingw_LIBDIR}/flac/lib/pkgconfig:${mingw_LIBDIR})
--- a/build_files/build_environment/cmake/spnav.cmake
+++ b/build_files/build_environment/cmake/spnav.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ExternalProject_Add(external_spnav
  URL file://${PACKAGE_DIR}/${SPNAV_FILE}
--- a/build_files/build_environment/cmake/sqlite.cmake
+++ b/build_files/build_environment/cmake/sqlite.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(SQLITE_CONFIGURE_ENV echo .)
 set(SQLITE_CONFIGURATION_ARGS)
--- a/build_files/build_environment/cmake/sse2neon.cmake
+++ b/build_files/build_environment/cmake/sse2neon.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ExternalProject_Add(external_sse2neon
  GIT_REPOSITORY  ${SSE2NEON_GIT}
--- a/build_files/build_environment/cmake/ssl.cmake
+++ b/build_files/build_environment/cmake/ssl.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(SSL_CONFIGURE_COMMAND ./Configure)
 set(SSL_PATCH_CMD echo .)
--- a/build_files/build_environment/cmake/tbb.cmake
+++ b/build_files/build_environment/cmake/tbb.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****
 if(WIN32)
  set(TBB_EXTRA_ARGS
    -DTBB_BUILD_SHARED=On
--- a/build_files/build_environment/cmake/theora.cmake
+++ b/build_files/build_environment/cmake/theora.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(UNIX)
  set(THEORA_CONFIGURE_ENV ${CONFIGURE_ENV} && export HAVE_PDFLATEX=no)
--- a/build_files/build_environment/cmake/tiff.cmake
+++ b/build_files/build_environment/cmake/tiff.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(WITH_WEBP)
  set(WITH_TIFF_WEBP ON)
--- a/build_files/build_environment/cmake/usd.cmake
+++ b/build_files/build_environment/cmake/usd.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(USD_EXTRA_ARGS
  -DBoost_COMPILER:STRING=${BOOST_COMPILER_STRING}
--- a/build_files/build_environment/cmake/versions.cmake
+++ b/build_files/build_environment/cmake/versions.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(ZLIB_VERSION 1.2.11)
 set(ZLIB_URI https://zlib.net/zlib-${ZLIB_VERSION}.tar.gz)
@@ -67,9 +83,9 @@ else()
  set(OPENEXR_VERSION_POSTFIX)
 endif()

-set(FREETYPE_VERSION 2.11.1)
+set(FREETYPE_VERSION 2.11.0)
 set(FREETYPE_URI http://prdownloads.sourceforge.net/freetype/freetype-${FREETYPE_VERSION}.tar.gz)
-set(FREETYPE_HASH bd4e3b007474319909a6b79d50908e85)
+set(FREETYPE_HASH cf09172322f6b50cf8f568bf8fe14bde)
 set(FREETYPE_HASH_TYPE MD5)
 set(FREETYPE_FILE freetype-${FREETYPE_VERSION}.tar.gz)

@@ -442,9 +458,9 @@ set(NASM_HASH aded8b796c996a486a56e0515c83e414116decc3b184d88043480b32eb0a8589)
 set(NASM_HASH_TYPE SHA256)
 set(NASM_FILE nasm-${NASM_VERSION}.tar.gz)

-set(XR_OPENXR_SDK_VERSION 1.0.22)
+set(XR_OPENXR_SDK_VERSION 1.0.17)
 set(XR_OPENXR_SDK_URI https://github.com/KhronosGroup/OpenXR-SDK/archive/release-${XR_OPENXR_SDK_VERSION}.tar.gz)
-set(XR_OPENXR_SDK_HASH a2623ebab3d0b340bc16311b14f02075)
+set(XR_OPENXR_SDK_HASH bf0fd8828837edff01047474e90013e1)
 set(XR_OPENXR_SDK_HASH_TYPE MD5)
 set(XR_OPENXR_SDK_FILE OpenXR-SDK-${XR_OPENXR_SDK_VERSION}.tar.gz)

--- a/build_files/build_environment/cmake/vorbis.cmake
+++ b/build_files/build_environment/cmake/vorbis.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ExternalProject_Add(external_vorbis
  URL file://${PACKAGE_DIR}/${VORBIS_FILE}
--- a/build_files/build_environment/cmake/vpx.cmake
+++ b/build_files/build_environment/cmake/vpx.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(WIN32)
  if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
--- a/build_files/build_environment/cmake/wayland_protocols.cmake
+++ b/build_files/build_environment/cmake/wayland_protocols.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ExternalProject_Add(external_wayland_protocols
  URL file://${PACKAGE_DIR}/${WL_PROTOCOLS_FILE}
--- a/build_files/build_environment/cmake/webp.cmake
+++ b/build_files/build_environment/cmake/webp.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 # Note the utility apps may use png/tiff/gif system libraries, but the
 # library itself does not depend on them, so should give no problems.
--- a/build_files/build_environment/cmake/x264.cmake
+++ b/build_files/build_environment/cmake/x264.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(WIN32)
  set(X264_EXTRA_ARGS --enable-win32thread --cross-prefix=${MINGW_HOST}- --host=${MINGW_HOST})
--- a/build_files/build_environment/cmake/xml2.cmake
+++ b/build_files/build_environment/cmake/xml2.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ExternalProject_Add(external_xml2
  URL file://${PACKAGE_DIR}/${XML2_FILE}
--- a/build_files/build_environment/cmake/xr_openxr.cmake
+++ b/build_files/build_environment/cmake/xr_openxr.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****


 # Keep flags in sync with install_deps.sh ones in compile_XR_OpenXR_SDK()
--- a/build_files/build_environment/cmake/xvidcore.cmake
+++ b/build_files/build_environment/cmake/xvidcore.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 if(WIN32)
  set(XVIDCORE_EXTRA_ARGS --host=${MINGW_HOST})
--- a/build_files/build_environment/cmake/yamlcpp.cmake
+++ b/build_files/build_environment/cmake/yamlcpp.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(YAMLCPP_EXTRA_ARGS
  -DYAML_CPP_BUILD_TESTS=OFF
--- a/build_files/build_environment/cmake/zlib.cmake
+++ b/build_files/build_environment/cmake/zlib.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ExternalProject_Add(external_zlib
  URL file://${PACKAGE_DIR}/${ZLIB_FILE}
--- a/build_files/build_environment/cmake/zlib_mingw.cmake
+++ b/build_files/build_environment/cmake/zlib_mingw.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 ExternalProject_Add(external_zlib_mingw
  URL file://${PACKAGE_DIR}/${ZLIB_FILE}
--- a/build_files/build_environment/cmake/zstd.cmake
+++ b/build_files/build_environment/cmake/zstd.cmake
@@ -1,4 +1,20 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ***** END GPL LICENSE BLOCK *****

 set(ZSTD_EXTRA_ARGS
  -DZSTD_BUILD_PROGRAMS=OFF
--- a/build_files/build_environment/install_deps.sh
+++ b/build_files/build_environment/install_deps.sh
@@ -1,5 +1,21 @@
 #!/usr/bin/env bash
-# SPDX-License-Identifier: GPL-2.0-or-later
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software Foundation,
+#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####

 # A shell script installing/building all needed dependencies to build Blender, for some Linux distributions.

@@ -360,13 +376,12 @@ USE_CXX11=true
 # XXX_VERSION_SHORT is used for various things, like preferred version (when distribution provides several of them),
 #                   and to name shortcuts to built libraries' installation directories...

-CLANG_FORMAT_VERSION="10.0"
 CLANG_FORMAT_VERSION_MIN="6.0"
-CLANG_FORMAT_VERSION_MEX="14.0"
+CLANG_FORMAT_VERSION_MEX="10.0"

 PYTHON_VERSION="3.10.2"
 PYTHON_VERSION_SHORT="3.10"
-PYTHON_VERSION_MIN="3.10"
+PYTHON_VERSION_MIN="3.9"
 PYTHON_VERSION_MEX="3.12"
 PYTHON_VERSION_INSTALLED=$PYTHON_VERSION_SHORT
 PYTHON_FORCE_BUILD=false
@@ -564,7 +579,7 @@ FFMPEG_FORCE_REBUILD=false
 FFMPEG_SKIP=false
 _ffmpeg_list_sep=";"

-XR_OPENXR_VERSION="1.0.22"
+XR_OPENXR_VERSION="1.0.17"
 XR_OPENXR_VERSION_SHORT="1.0"
 XR_OPENXR_VERSION_MIN="1.0.8"
 XR_OPENXR_VERSION_MEX="2.0"
@@ -1101,7 +1116,7 @@ FFMPEG_SOURCE=( "http://ffmpeg.org/releases/ffmpeg-$FFMPEG_VERSION.tar.bz2" )
 XR_OPENXR_USE_REPO=false
 XR_OPENXR_SOURCE=("https://github.com/KhronosGroup/OpenXR-SDK/archive/release-${XR_OPENXR_VERSION}.tar.gz")
 XR_OPENXR_SOURCE_REPO=("https://github.com/KhronosGroup/OpenXR-SDK.git")
-XR_OPENXR_REPO_UID="458984d7f59d1ae6dc1b597d94b02e4f7132eaba"
+XR_OPENXR_REPO_UID="bf21ccb1007bb531b45d9978919a56ea5059c245"
 XR_OPENXR_REPO_BRANCH="master"

 # C++11 is required now
@@ -4021,14 +4036,14 @@ install_DEB() {
    INFO "Forced Python building, as requested..."
    _do_compile_python=true
  else
-    check_package_version_ge_lt_DEB python${PYTHON_VERSION_SHORT}-dev $PYTHON_VERSION_MIN $PYTHON_VERSION_MEX
+    check_package_version_ge_lt_DEB python3-dev $PYTHON_VERSION_MIN $PYTHON_VERSION_MEX
    if [ $? -eq 0 ]; then
-      install_packages_DEB python${PYTHON_VERSION_SHORT}-dev
+      PYTHON_VERSION_INSTALLED=$(echo `get_package_version_DEB python3-dev` | sed -r 's/^([0-9]+\.[0-9]+).*/\1/')
+
+      install_packages_DEB python3-dev
      clean_Python
      PRINT ""

-      PYTHON_VERSION_INSTALLED=$(echo `get_package_version_DEB python${PYTHON_VERSION_SHORT}-dev` | sed -r 's/^([0-9]+\.[0-9]+).*/\1/')
-
      for module in "${PYTHON_MODULES_PACKAGES[@]}"
      do
        module=($module)
@@ -4666,11 +4681,11 @@ install_RPM() {
  else
    check_package_version_ge_lt_RPM python3-devel $PYTHON_VERSION_MIN $PYTHON_VERSION_MEX
    if [ $? -eq 0 ]; then
+      PYTHON_VERSION_INSTALLED=$(echo `get_package_version_RPM python3-devel` | sed -r 's/^([0-9]+\.[0-9]+).*/\1/')
+
      install_packages_RPM python3-devel
      clean_Python

-      PYTHON_VERSION_INSTALLED=$(echo `get_package_version_RPM python3-devel` | sed -r 's/^([0-9]+\.[0-9]+).*/\1/')
-
      for module in "${PYTHON_MODULES_PACKAGES[@]}"
      do
        module=($module)
@@ -5209,12 +5224,12 @@ install_ARCH() {
  else
    check_package_version_ge_lt_ARCH python $PYTHON_VERSION_MIN $PYTHON_VERSION_MEX
    if [ $? -eq 0 ]; then
+      PYTHON_VERSION_INSTALLED=$(echo `get_package_version_ARCH python` | sed -r 's/^([0-9]+\.[0-9]+).*/\1/')
+
      install_packages_ARCH python
      clean_Python
      PRINT ""

-      PYTHON_VERSION_INSTALLED=$(echo `get_package_version_ARCH python` | sed -r 's/^([0-9]+\.[0-9]+).*/\1/')
-
      for module in "${PYTHON_MODULES_PACKAGES[@]}"
      do
        module=($module)
--- a/build_files/build_environment/patches/cmake/modules/FindBlosc.cmake
+++ b/build_files/build_environment/patches/cmake/modules/FindBlosc.cmake
@@ -1,6 +1,3 @@
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright 2016 Blender Foundation.
-
 # - Find BLOSC library
 # Find the native BLOSC includes and library
 # This module defines
@@ -14,6 +11,17 @@
 # also defined, but not for general use are
 #  BLOSC_LIBRARY, where to find the BLOSC library.

+#=============================================================================
+# Copyright 2016 Blender Foundation.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+
 # If BLOSC_ROOT_DIR was defined in the environment, use it.
 IF(NOT BLOSC_ROOT_DIR AND NOT $ENV{BLOSC_ROOT_DIR} STREQUAL "")
  SET(BLOSC_ROOT_DIR $ENV{BLOSC_ROOT_DIR})
--- a/build_files/build_environment/patches/cmake/modules/FindCppUnit.cmake
+++ b/build_files/build_environment/patches/cmake/modules/FindCppUnit.cmake
@@ -1,6 +1,3 @@
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright 2016 Blender Foundation.
-
 # - Find CPPUNIT library
 # Find the native CPPUNIT includes and library
 # This module defines
@@ -14,6 +11,17 @@
 # also defined, but not for general use are
 #  CPPUNIT_LIBRARY, where to find the CPPUNIT library.

+#=============================================================================
+# Copyright 2016 Blender Foundation.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+
 # If CPPUNIT_ROOT_DIR was defined in the environment, use it.
 IF(NOT CPPUNIT_ROOT_DIR AND NOT $ENV{CPPUNIT_ROOT_DIR} STREQUAL "")
  SET(CPPUNIT_ROOT_DIR $ENV{CPPUNIT_ROOT_DIR})
--- a/build_files/build_environment/patches/cmake/modules/FindIlmBase.cmake
+++ b/build_files/build_environment/patches/cmake/modules/FindIlmBase.cmake
@@ -1,5 +1,3 @@
-# SPDX-License-Identifier: BSD-3-Clause
-
 # Module to find IlmBase
 #
 # This module will first look into the directories defined by the variables:
--- a/build_files/build_environment/patches/cmake/modules/FindLogC4Plus.cmake
+++ b/build_files/build_environment/patches/cmake/modules/FindLogC4Plus.cmake
@@ -1,6 +1,3 @@
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright 2016 Blender Foundation.
-
 # - Find LOGC4PLUS library
 # Find the native LOGC4PLUS includes and library
 # This module defines
@@ -14,6 +11,17 @@
 # also defined, but not for general use are
 #  LOGC4PLUS_LIBRARY, where to find the LOGC4PLUS library.

+#=============================================================================
+# Copyright 2016 Blender Foundation.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+
 # If LOGC4PLUS_ROOT_DIR was defined in the environment, use it.
 IF(NOT LOGC4PLUS_ROOT_DIR AND NOT $ENV{LOGC4PLUS_ROOT_DIR} STREQUAL "")
  SET(LOGC4PLUS_ROOT_DIR $ENV{LOGC4PLUS_ROOT_DIR})
--- a/build_files/build_environment/patches/cmake/modules/FindOpenEXR.cmake
+++ b/build_files/build_environment/patches/cmake/modules/FindOpenEXR.cmake
@@ -1,5 +1,3 @@
-# SPDX-License-Identifier: BSD-3-Clause
-
 # Module to find OpenEXR.
 #
 # This module will first look into the directories defined by the variables:
--- a/build_files/build_environment/patches/cmake/modules/FindTBB.cmake
+++ b/build_files/build_environment/patches/cmake/modules/FindTBB.cmake
@@ -1,6 +1,3 @@
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright 2016 Blender Foundation.
-
 # - Find TBB library
 # Find the native TBB includes and library
 # This module defines
@@ -14,6 +11,17 @@
 # also defined, but not for general use are
 #  TBB_LIBRARY, where to find the TBB library.

+#=============================================================================
+# Copyright 2016 Blender Foundation.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+
 # If TBB_ROOT_DIR was defined in the environment, use it.
 IF(NOT TBB_ROOT_DIR AND NOT $ENV{TBB_ROOT_DIR} STREQUAL "")
  SET(TBB_ROOT_DIR $ENV{TBB_ROOT_DIR})
--- a/build_files/build_environment/patches/cmake/modules/SelectLibraryConfigurations.cmake
+++ b/build_files/build_environment/patches/cmake/modules/SelectLibraryConfigurations.cmake
@@ -1,8 +1,3 @@
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright 2009 Kitware, Inc.
-#           2009 Will Dicharry <wdicharry@stellarscience.com>
-#           2005-2009 Kitware, Inc.
-
 # select_library_configurations( basename )
 #
 # This macro takes a library base name as an argument, and will choose good
@@ -19,6 +14,18 @@
 # or the generator in use does not support configuration types, then
 # basename_LIBRARY and basename_LIBRARIES will take only the release values.

+#=============================================================================
+# Copyright 2009 Kitware, Inc.
+# Copyright 2009 Will Dicharry <wdicharry@stellarscience.com>
+# Copyright 2005-2009 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
 # (To distribute this file outside of CMake, substitute the full
 #  License text for the above reference.)

--- a/build_files/buildbot/config/blender_linux.cmake
+++ b/build_files/buildbot/config/blender_linux.cmake
@@ -1,5 +1,3 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
-
 # ######## Global feature set settings ########

 include("${CMAKE_CURRENT_LIST_DIR}/../../cmake/config/blender_release.cmake")
--- a/build_files/cmake/Modules/FindAlembic.cmake
+++ b/build_files/cmake/Modules/FindAlembic.cmake
@@ -1,6 +1,3 @@
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright 2016 Blender Foundation.
-
 # - Find Alembic library
 # Find the native Alembic includes and libraries
 # This module defines
@@ -12,6 +9,13 @@
 #  ALEMBIC_FOUND, If false, do not try to use Alembic.
 #

+#=============================================================================
+# Copyright 2016 Blender Foundation.
+#
+# Distributed under the OSI-approved BSD 3-Clause License,
+# see accompanying file BSD-3-Clause-license.txt for details.
+#=============================================================================
+
 # If ALEMBIC_ROOT_DIR was defined in the environment, use it.
 IF(NOT ALEMBIC_ROOT_DIR AND NOT $ENV{ALEMBIC_ROOT_DIR} STREQUAL "")
  SET(ALEMBIC_ROOT_DIR $ENV{ALEMBIC_ROOT_DIR})
--- a/build_files/cmake/Modules/FindAudaspace.cmake
+++ b/build_files/cmake/Modules/FindAudaspace.cmake
@@ -1,6 +1,3 @@
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright 2014 Blender Foundation.
-
 # - Try to find audaspace
 # Once done, this will define
 #
@@ -14,6 +11,13 @@
 #  AUDASPACE_PY_INCLUDE_DIRS - the audaspace's python binding include directories
 #  AUDASPACE_PY_LIBRARIES - link these to use audaspace's python binding

+#=============================================================================
+# Copyright 2014 Blender Foundation.
+#
+# Distributed under the OSI-approved BSD 3-Clause License,
+# see accompanying file BSD-3-Clause-license.txt for details.
+#=============================================================================
+
 IF(NOT AUDASPACE_ROOT_DIR AND NOT $ENV{AUDASPACE_ROOT_DIR} STREQUAL "")
  SET(AUDASPACE_ROOT_DIR $ENV{AUDASPACE_ROOT_DIR})
 ENDIF()
--- a/build_files/cmake/Modules/FindBlosc.cmake
+++ b/build_files/cmake/Modules/FindBlosc.cmake
@@ -1,6 +1,3 @@
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright 2018 Blender Foundation.
-
 # - Find Blosc library
 # Find the native Blosc includes and library
 # This module defines
@@ -14,6 +11,13 @@
 # also defined, but not for general use are
 #  BLOSC_LIBRARY, where to find the Blosc library.

+#=============================================================================
+# Copyright 2018 Blender Foundation.
+#
+# Distributed under the OSI-approved BSD 3-Clause License,
+# see accompanying file BSD-3-Clause-license.txt for details.
+#=============================================================================
+
 # If BLOSC_ROOT_DIR was defined in the environment, use it.
 IF(NOT BLOSC_ROOT_DIR AND NOT $ENV{BLOSC_ROOT_DIR} STREQUAL "")
  SET(BLOSC_ROOT_DIR $ENV{BLOSC_ROOT_DIR})
--- a/build_files/cmake/Modules/FindBrotli.cmake
+++ b/build_files/cmake/Modules/FindBrotli.cmake
@@ -1,6 +1,3 @@
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright 2022 Blender Foundation.
-
 # - Find Brotli library (compression for freetype/woff2).
 # This module defines
 #  BROTLI_INCLUDE_DIRS, where to find Brotli headers, Set when
@@ -11,6 +8,13 @@
 #  BROTLI_FOUND, If false, do not try to use Brotli.
 #

+#=============================================================================
+# Copyright 2022 Blender Foundation.
+#
+# Distributed under the OSI-approved BSD 3-Clause License,
+# see accompanying file BSD-3-Clause-license.txt for details.
+#=============================================================================
+
 # If BROTLI_ROOT_DIR was defined in the environment, use it.
 IF(NOT BROTLI_ROOT_DIR AND NOT $ENV{BROTLI_ROOT_DIR} STREQUAL "")
  SET(BROTLI_ROOT_DIR $ENV{BROTLI_ROOT_DIR})
--- a/build_files/cmake/Modules/FindClang.cmake
+++ b/build_files/cmake/Modules/FindClang.cmake
@@ -1,6 +1,3 @@
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright 2011 Blender Foundation.
-
 # - Find Clang library
 # Find the native Clang includes and library
 # This module defines
@@ -11,6 +8,13 @@
 #                        This can also be an environment variable.
 #  CLANG_FOUND, If false, do not try to use Clang.

+#=============================================================================
+# Copyright 2021 Blender Foundation.
+#
+# Distributed under the OSI-approved BSD 3-Clause License,
+# see accompanying file BSD-3-Clause-license.txt for details.
+#=============================================================================
+
 # If CLANG_ROOT_DIR was defined in the environment, use it.
 if(NOT CLANG_ROOT_DIR AND NOT $ENV{CLANG_ROOT_DIR} STREQUAL "")
  set(CLANG_ROOT_DIR $ENV{CLANG_ROOT_DIR})
--- a/Show More
+++ b/Show More