Merge branch 'master' into temp-ui-tweaks

# Conflicts: # source/blender/editors/animation/time_scrub_ui.c
2021-10-04 16:21:26 +02:00 · 2021-10-04 12:59:53 +02:00 · 2021-10-04 12:58:42 +02:00 · 2021-09-27 16:11:27 +02:00 · 2021-09-22 16:40:14 +02:00 · 2021-09-22 15:54:11 +02:00
7562 changed files with 311923 additions and 349100 deletions
--- a/.clang-format
+++ b/.clang-format
@@ -180,7 +180,6 @@ ForEachMacros:
  - CTX_DATA_BEGIN_WITH_ID
  - DEG_OBJECT_ITER_BEGIN
  - DEG_OBJECT_ITER_FOR_RENDER_ENGINE_BEGIN
-  - DRW_ENABLED_ENGINE_ITER
  - DRIVER_TARGETS_LOOPER_BEGIN
  - DRIVER_TARGETS_USED_LOOPER_BEGIN
  - FOREACH_BASE_IN_EDIT_MODE_BEGIN
@@ -205,7 +204,6 @@ ForEachMacros:
  - FOREACH_SCENE_COLLECTION_BEGIN
  - FOREACH_SCENE_OBJECT_BEGIN
  - FOREACH_SELECTED_BASE_BEGIN
-  - FOREACH_SELECTED_BEZT_BEGIN
  - FOREACH_SELECTED_EDITABLE_OBJECT_BEGIN
  - FOREACH_SELECTED_OBJECT_BEGIN
  - FOREACH_TRANS_DATA_CONTAINER
@@ -269,7 +267,3 @@ ForEachMacros:
 StatementMacros:
  - PyObject_HEAD
  - PyObject_VAR_HEAD
-  - ccl_gpu_kernel_postfix
-
-MacroBlockBegin: "^BSDF_CLOSURE_CLASS_BEGIN$"
-MacroBlockEnd: "^BSDF_CLOSURE_CLASS_END$"
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -12,8 +12,6 @@ Checks:  >
  -readability-avoid-const-params-in-decls,
  -readability-simplify-boolean-expr,
  -readability-make-member-function-const,
-  -readability-suspicious-call-argument,
-  -readability-redundant-member-init,

  -readability-misleading-indentation,

@@ -27,8 +25,6 @@ Checks:  >
  -bugprone-branch-clone,
  -bugprone-macro-parentheses,
  -bugprone-reserved-identifier,
-  -bugprone-easily-swappable-parameters,
-  -bugprone-implicit-widening-of-multiplication-result,

  -bugprone-sizeof-expression,
  -bugprone-integer-division,
@@ -44,8 +40,7 @@ Checks:  >
  -modernize-pass-by-value,
  # Cannot be enabled yet, because using raw string literals in tests breaks
  # the windows compiler currently.
-  -modernize-raw-string-literal,
-  -modernize-return-braced-init-list
+  -modernize-raw-string-literal

 CheckOptions:
  - key: modernize-use-default-member-init.UseAssignment
--- 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/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -1,5 +0,0 @@
-This repository is only used as a mirror of git.blender.org. Blender development happens on
-https://developer.blender.org.
-
-To get started with contributing code, please see:
-https://wiki.blender.org/wiki/Process/Contributing_Code
--- 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
@@ -12,7 +30,7 @@ if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
      "CMake generation for blender is not allowed within the source directory!"
      "\n Remove \"${CMAKE_SOURCE_DIR}/CMakeCache.txt\" and try again from another folder, e.g.:"
      "\n "
-      "\n rm -rf CMakeCache.txt CMakeFiles"
+      "\n rm CMakeCache.txt"
      "\n cd .."
      "\n mkdir cmake-make"
      "\n cd cmake-make"
@@ -138,16 +156,6 @@ get_blender_version()
 option(WITH_BLENDER "Build blender (disable to build only the blender player)" ON)
 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)
-elseif(WIN32)
-  option(WITH_BLENDER_THUMBNAILER "Build \"BlendThumb.dll\" helper for Windows explorer integration" ON)
-else()
-  option(WITH_BLENDER_THUMBNAILER "Build \"blender-thumbnailer\" thumbnail extraction utility" ON)
-endif()
-
 option(WITH_INTERNATIONAL "Enable I18N (International fonts and text)" ON)

 option(WITH_PYTHON        "Enable Embedded Python API  (only disable for development)" ON)
@@ -170,13 +178,6 @@ mark_as_advanced(CPACK_OVERRIDE_PACKAGENAME)
 mark_as_advanced(BUILDINFO_OVERRIDE_DATE)
 mark_as_advanced(BUILDINFO_OVERRIDE_TIME)

-if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.16")
-  option(WITH_UNITY_BUILD   "Enable unity build for modules that support it to improve compile times" ON)
-  mark_as_advanced(WITH_UNITY_BUILD)
-else()
-  set(WITH_UNITY_BUILD OFF)
-endif()
-
 option(WITH_IK_ITASC      "Enable ITASC IK solver (only disable for development & for incompatible C++ compilers)" ON)
 option(WITH_IK_SOLVER     "Enable Legacy IK solver (only disable for development)" ON)
 option(WITH_FFTW3         "Enable FFTW3 support (Used for smoke, ocean sim, and audio effects)" ON)
@@ -257,12 +258,10 @@ endif()
 if(UNIX AND NOT APPLE)
  option(WITH_SYSTEM_GLEW "Use GLEW OpenGL wrapper library provided by the operating system" OFF)
  option(WITH_SYSTEM_GLES "Use OpenGL ES library provided by the operating system"           ON)
-  option(WITH_SYSTEM_FREETYPE "Use the freetype library provided by the operating system" OFF)
 else()
  # not an option for other OS's
  set(WITH_SYSTEM_GLEW OFF)
  set(WITH_SYSTEM_GLES OFF)
-  set(WITH_SYSTEM_FREETYPE OFF)
 endif()


@@ -284,7 +283,6 @@ option(WITH_IMAGE_TIFF          "Enable LibTIFF Support" ON)
 option(WITH_IMAGE_DDS           "Enable DDS Image Support" ON)
 option(WITH_IMAGE_CINEON        "Enable CINEON and DPX Image Support" ON)
 option(WITH_IMAGE_HDR           "Enable HDR Image Support" ON)
-option(WITH_IMAGE_WEBP          "Enable WebP Image Support" OFF)

 # Audio/Video format support
 option(WITH_CODEC_AVI           "Enable Blenders own AVI file support (raw/jpeg)" ON)
@@ -390,71 +388,43 @@ if(WITH_PYTHON_INSTALL)
    set(PYTHON_REQUESTS_PATH "" CACHE PATH "Path to python site-packages or dist-packages containing 'requests' module")
    mark_as_advanced(PYTHON_REQUESTS_PATH)
  endif()
-
-  option(WITH_PYTHON_INSTALL_ZSTANDARD "Copy zstandard into the blender install folder" ON)
-  set(PYTHON_ZSTANDARD_PATH "" CACHE PATH "Path to python site-packages or dist-packages containing 'zstandard' module")
-  mark_as_advanced(PYTHON_ZSTANDARD_PATH)
 endif()

 option(WITH_CPU_SIMD              "Enable SIMD instruction if they're detected on the host machine" ON)
 mark_as_advanced(WITH_CPU_SIMD)

 # Cycles
-option(WITH_CYCLES                   "Enable Cycles Render Engine" ON)
-option(WITH_CYCLES_OSL               "Build Cycles with OpenShadingLanguage support" ON)
-option(WITH_CYCLES_EMBREE            "Build Cycles with Embree support" ON)
-option(WITH_CYCLES_LOGGING           "Build Cycles with logging support" ON)
-option(WITH_CYCLES_DEBUG             "Build Cycles with options useful for debugging (e.g., MIS)" OFF)
-
-option(WITH_CYCLES_STANDALONE        "Build Cycles standalone application" OFF)
-option(WITH_CYCLES_STANDALONE_GUI    "Build Cycles standalone with GUI" OFF)
-
-option(WITH_CYCLES_HYDRA_RENDER_DELEGATE "Build Cycles Hydra render delegate" OFF)
-
-option(WITH_CYCLES_DEBUG_NAN         "Build Cycles with additional asserts for detecting NaNs and invalid values" OFF)
-option(WITH_CYCLES_NATIVE_ONLY       "Build Cycles with native kernel only (which fits current CPU, use for development only)" OFF)
-option(WITH_CYCLES_KERNEL_ASAN       "Build Cycles kernels with address sanitizer when WITH_COMPILER_ASAN is on, even if it's very slow" OFF)
-set(CYCLES_TEST_DEVICES CPU CACHE STRING "Run regression tests on the specified device types (CPU CUDA OPTIX HIP)" )
+option(WITH_CYCLES                  "Enable Cycles Render Engine" ON)
+option(WITH_CYCLES_STANDALONE       "Build Cycles standalone application" OFF)
+option(WITH_CYCLES_STANDALONE_GUI   "Build Cycles standalone with GUI" OFF)
+option(WITH_CYCLES_OSL              "Build Cycles with OSL support" ON)
+option(WITH_CYCLES_EMBREE           "Build Cycles with Embree support" ON)
+option(WITH_CYCLES_CUDA_BINARIES    "Build Cycles CUDA binaries" OFF)
+option(WITH_CYCLES_CUBIN_COMPILER   "Build cubins with nvrtc based compiler instead of nvcc" OFF)
+option(WITH_CYCLES_CUDA_BUILD_SERIAL "Build cubins one after another (useful on machines with limited RAM)" OFF)
+mark_as_advanced(WITH_CYCLES_CUDA_BUILD_SERIAL)
+set(CYCLES_TEST_DEVICES CPU CACHE STRING "Run regression tests on the specified device types (CPU CUDA OPTIX)" )
+set(CYCLES_CUDA_BINARIES_ARCH sm_30 sm_35 sm_37 sm_50 sm_52 sm_60 sm_61 sm_70 sm_75 sm_86 compute_75 CACHE STRING "CUDA architectures to build binaries for")
+mark_as_advanced(CYCLES_CUDA_BINARIES_ARCH)
+unset(PLATFORM_DEFAULT)
+option(WITH_CYCLES_LOGGING      "Build Cycles with logging support" ON)
+option(WITH_CYCLES_DEBUG_NAN    "Build Cycles with additional asserts for detecting NaNs and invalid values" OFF)
+option(WITH_CYCLES_NATIVE_ONLY  "Build Cycles with native kernel only (which fits current CPU, use for development only)" OFF)
+option(WITH_CYCLES_KERNEL_ASAN  "Build Cycles kernels with address sanitizer when WITH_COMPILER_ASAN is on, even if it's very slow" OFF)
 mark_as_advanced(WITH_CYCLES_KERNEL_ASAN)
+mark_as_advanced(WITH_CYCLES_CUBIN_COMPILER)
 mark_as_advanced(WITH_CYCLES_LOGGING)
 mark_as_advanced(WITH_CYCLES_DEBUG_NAN)
 mark_as_advanced(WITH_CYCLES_NATIVE_ONLY)

-# NVIDIA CUDA & OptiX
-if(NOT APPLE)
-  option(WITH_CYCLES_DEVICE_CUDA       "Enable Cycles NVIDIA CUDA compute support" ON)
-  option(WITH_CYCLES_DEVICE_OPTIX      "Enable Cycles NVIDIA OptiX support" ON)
-  mark_as_advanced(WITH_CYCLES_DEVICE_CUDA)
+option(WITH_CYCLES_DEVICE_CUDA              "Enable Cycles CUDA compute support" ON)
+option(WITH_CYCLES_DEVICE_OPTIX             "Enable Cycles OptiX support" ON)
+option(WITH_CYCLES_DEVICE_HIP               "Enable Cycles HIP support" OFF)
+mark_as_advanced(WITH_CYCLES_DEVICE_HIP)
+mark_as_advanced(WITH_CYCLES_DEVICE_CUDA)

-  option(WITH_CYCLES_CUDA_BINARIES     "Build Cycles NVIDIA CUDA binaries" OFF)
-  set(CYCLES_CUDA_BINARIES_ARCH sm_30 sm_35 sm_37 sm_50 sm_52 sm_60 sm_61 sm_70 sm_75 sm_86 compute_75 CACHE STRING "CUDA architectures to build binaries for")
-  option(WITH_CYCLES_CUBIN_COMPILER    "Build cubins with nvrtc based compiler instead of nvcc" OFF)
-  option(WITH_CYCLES_CUDA_BUILD_SERIAL "Build cubins one after another (useful on machines with limited RAM)" OFF)
-  option(WITH_CUDA_DYNLOAD             "Dynamically load CUDA libraries at runtime (for developers, makes cuda-gdb work)" ON)
-  mark_as_advanced(CYCLES_CUDA_BINARIES_ARCH)
-  mark_as_advanced(WITH_CYCLES_CUBIN_COMPILER)
-  mark_as_advanced(WITH_CYCLES_CUDA_BUILD_SERIAL)
-  mark_as_advanced(WITH_CUDA_DYNLOAD)
-endif()
-
-# AMD HIP
-if(NOT APPLE)
-  if(WIN32)
-    option(WITH_CYCLES_DEVICE_HIP        "Enable Cycles AMD HIP support" ON)
-  else()
-    option(WITH_CYCLES_DEVICE_HIP        "Enable Cycles AMD HIP support" OFF)
-  endif()
-
-  option(WITH_CYCLES_HIP_BINARIES      "Build Cycles AMD HIP binaries" OFF)
-  set(CYCLES_HIP_BINARIES_ARCH gfx900 gfx906 gfx1010 gfx1011 gfx1012 gfx1030 gfx1031 gfx1032 gfx1034 CACHE STRING "AMD HIP architectures to build binaries for")
-  mark_as_advanced(WITH_CYCLES_DEVICE_HIP)
-  mark_as_advanced(CYCLES_HIP_BINARIES_ARCH)
-endif()
-
-# Apple Metal
-if(APPLE)
-  option(WITH_CYCLES_DEVICE_METAL       "Enable Cycles Apple Metal compute support" ON)
-endif()
+option(WITH_CUDA_DYNLOAD "Dynamically load CUDA libraries at runtime" ON)
+mark_as_advanced(WITH_CUDA_DYNLOAD)

 # Draw Manager
 option(WITH_DRAW_DEBUG "Add extra debug capabilities to Draw Manager" OFF)
@@ -499,13 +469,14 @@ if(WIN32)
 endif()

 # This should be turned off when Blender enter beta/rc/release
-if("${BLENDER_VERSION_CYCLE}" STREQUAL "alpha")
-  set(WITH_EXPERIMENTAL_FEATURES ON)
-else()
+if("${BLENDER_VERSION_CYCLE}" STREQUAL "release" OR
+   "${BLENDER_VERSION_CYCLE}" STREQUAL "rc")
  set(WITH_EXPERIMENTAL_FEATURES OFF)
+else()
+  set(WITH_EXPERIMENTAL_FEATURES ON)
 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)
@@ -524,29 +495,14 @@ option(WITH_OPENGL              "When off limits visibility of the opengl header
 option(WITH_GLEW_ES             "Switches to experimental copy of GLEW that has support for OpenGL ES. (temporary option for development purposes)" OFF)
 option(WITH_GL_EGL              "Use the EGL OpenGL system library instead of the platform specific OpenGL system library (CGL, glX, or WGL)"       OFF)
 option(WITH_GL_PROFILE_ES20     "Support using OpenGL ES 2.0. (through either EGL or the AGL/WGL/XGL 'es20' profile)"                               OFF)
-option(WITH_GPU_SHADER_BUILDER  "Shader builder is a developer option enabling linting on GLSL during compilation"                                  OFF)

 mark_as_advanced(
  WITH_OPENGL
  WITH_GLEW_ES
  WITH_GL_EGL
  WITH_GL_PROFILE_ES20
-  WITH_GPU_SHADER_BUILDER
 )

-# Metal
-
-if (APPLE)
-  option(WITH_METAL_BACKEND "Use Metal for graphics instead of (or as well as) OpenGL on macOS." OFF)
-  mark_as_advanced(WITH_METAL_BACKEND)
-else()
-  set(WITH_METAL_BACKEND OFF)
-endif()
-
-if (WITH_METAL_BACKEND)
-  set(CMAKE_OSX_DEPLOYMENT_TARGET "10.15" CACHE STRING "Minimum OS X deployment version" FORCE)
-endif()
-
 if(WIN32)
  option(WITH_GL_ANGLE "Link with the ANGLE library, an OpenGL ES 2.0 implementation based on Direct3D, instead of the system OpenGL library." OFF)
  mark_as_advanced(WITH_GL_ANGLE)
@@ -562,18 +518,12 @@ if(WIN32)
  set(CPACK_INSTALL_PREFIX ${CMAKE_GENERIC_PROGRAM_FILES}/${})
 endif()

-# Compiler tool-chain.
-if(UNIX AND NOT APPLE)
-  if(CMAKE_COMPILER_IS_GNUCC)
-    option(WITH_LINKER_GOLD "Use ld.gold linker which is usually faster than ld.bfd" ON)
-    mark_as_advanced(WITH_LINKER_GOLD)
-    option(WITH_LINKER_LLD "Use ld.lld linker which is usually faster than ld.gold" OFF)
-    mark_as_advanced(WITH_LINKER_LLD)
-  endif()
-  if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
-    option(WITH_LINKER_MOLD "Use ld.mold linker which is usually faster than ld.gold & ld.lld." OFF)
-    mark_as_advanced(WITH_LINKER_MOLD)
-  endif()
+# Compiler toolchain
+if(CMAKE_COMPILER_IS_GNUCC)
+  option(WITH_LINKER_GOLD "Use ld.gold linker which is usually faster than ld.bfd" ON)
+  mark_as_advanced(WITH_LINKER_GOLD)
+  option(WITH_LINKER_LLD "Use ld.lld linker which is usually faster than ld.gold" OFF)
+  mark_as_advanced(WITH_LINKER_LLD)
 endif()

 option(WITH_COMPILER_ASAN "Build and link against address sanitizer (only for Debug & RelWithDebInfo targets)." OFF)
@@ -672,7 +622,7 @@ if(WIN32)
  option(WITH_WINDOWS_PDB "Generate a pdb file for client side stacktraces" ON)
  mark_as_advanced(WITH_WINDOWS_PDB)

-  option(WITH_WINDOWS_STRIPPED_PDB "Use a stripped PDB file" ON)
+  option(WITH_WINDOWS_STRIPPED_PDB "Use a stripped PDB file" On)
  mark_as_advanced(WITH_WINDOWS_STRIPPED_PDB)

 endif()
@@ -684,7 +634,7 @@ 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()
@@ -709,12 +659,9 @@ if(UNIX AND NOT APPLE)
 endif()

 # Installation process.
-set(POSTINSTALL_SCRIPT "" CACHE FILEPATH "Run given CMake script after installation process")
+option(POSTINSTALL_SCRIPT "Run given CMake script after installation process" OFF)
 mark_as_advanced(POSTINSTALL_SCRIPT)

-set(POSTCONFIGURE_SCRIPT "" CACHE FILEPATH "Run given CMake script as the last step of CMake configuration")
-mark_as_advanced(POSTCONFIGURE_SCRIPT)
-
 # end option(...)


@@ -745,10 +692,9 @@ endif()
 #-----------------------------------------------------------------------------
 # Check for conflicting/unsupported configurations

-if(NOT WITH_BLENDER AND NOT WITH_CYCLES_STANDALONE AND NOT WITH_CYCLES_HYDRA_RENDER_DELEGATE)
+if(NOT WITH_BLENDER AND NOT WITH_CYCLES_STANDALONE)
  message(FATAL_ERROR
    "At least one of WITH_BLENDER or WITH_CYCLES_STANDALONE "
-    "or WITH_CYCLES_HYDRA_RENDER_DELEGATE "
    "must be enabled, nothing to do!"
  )
 endif()
@@ -869,7 +815,7 @@ if(WITH_AUDASPACE)
 endif()

 # Auto-enable CUDA dynload if toolkit is not found.
-if(WITH_CYCLES AND WITH_CYCLES_DEVICE_CUDA AND NOT WITH_CUDA_DYNLOAD)
+if(NOT WITH_CUDA_DYNLOAD)
  find_package(CUDA)
  if(NOT CUDA_FOUND)
    message(STATUS "CUDA toolkit not found, using dynamic runtime loading of libraries (WITH_CUDA_DYNLOAD) instead")
@@ -883,7 +829,7 @@ if(WITH_CYCLES_DEVICE_HIP)
 endif()

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

 if(WITH_INTERNATIONAL)
  file(GLOB RESULT "${CMAKE_SOURCE_DIR}/release/datafiles/locale")
@@ -906,8 +852,8 @@ if(WITH_PYTHON)
  # Do this before main 'platform_*' checks,
  # because UNIX will search for the old Python paths which may not exist.
  # giving errors about missing paths before this case is met.
-  if(DEFINED PYTHON_VERSION AND "${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")
@@ -1099,7 +1045,7 @@ if(MSVC)
  add_definitions(-D__LITTLE_ENDIAN__)

  # OSX-Note: as we do cross-compiling with specific set architecture,
-  # endianness-detection and auto-setting is counterproductive
+  # endianess-detection and auto-setting is counterproductive
  # so we just set endianness according CMAKE_OSX_ARCHITECTURES

 elseif(CMAKE_OSX_ARCHITECTURES MATCHES i386 OR CMAKE_OSX_ARCHITECTURES MATCHES x86_64 OR CMAKE_OSX_ARCHITECTURES MATCHES arm64)
@@ -1291,16 +1237,6 @@ else()
  list(APPEND GL_DEFINITIONS -DWITH_GL_PROFILE_CORE)
 endif()

-#-----------------------------------------------------------------------------
-# Configure Metal.
-if (WITH_METAL_BACKEND)
-  add_definitions(-DWITH_METAL_BACKEND)
-
-  # No need to add frameworks here, all the ones we need for Metal and
-  # Metal-OpenGL Interop are already being added by
-  # build_files/cmake/platform/platform_apple.cmake
-endif()
-
 #-----------------------------------------------------------------------------
 # Configure OpenMP.
 if(WITH_OPENMP)
@@ -1695,8 +1631,6 @@ elseif(CMAKE_C_COMPILER_ID MATCHES "Clang")
  ADD_CHECK_C_COMPILER_FLAG(C_REMOVE_STRICT_FLAGS C_WARN_NO_DUPLICATE_ENUM -Wno-duplicate-enum)
  ADD_CHECK_C_COMPILER_FLAG(C_REMOVE_STRICT_FLAGS C_WARN_NO_UNDEF -Wno-undef)
  ADD_CHECK_C_COMPILER_FLAG(C_REMOVE_STRICT_FLAGS C_WARN_NO_MISSING_NORETURN -Wno-missing-noreturn)
-  ADD_CHECK_C_COMPILER_FLAG(C_REMOVE_STRICT_FLAGS C_WARN_NO_UNUSED_BUT_SET_VARIABLE -Wno-unused-but-set-variable)
-  ADD_CHECK_C_COMPILER_FLAG(C_REMOVE_STRICT_FLAGS C_WARN_NO_DEPRECATED_DECLARATIONS -Wno-deprecated-declarations)

  ADD_CHECK_CXX_COMPILER_FLAG(CXX_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_PARAMETER -Wno-unused-parameter)
  ADD_CHECK_CXX_COMPILER_FLAG(CXX_REMOVE_STRICT_FLAGS CXX_WARN_NO_UNUSED_PRIVATE_FIELD -Wno-unused-private-field)
@@ -1789,19 +1723,13 @@ if(WITH_PYTHON)
  elseif(WITH_PYTHON_INSTALL_REQUESTS)
    find_python_package(requests "")
  endif()
-
-  if(WIN32 OR APPLE)
-    # pass, we have this in lib/python/site-packages
-  elseif(WITH_PYTHON_INSTALL_ZSTANDARD)
-    find_python_package(zstandard "")
-  endif()
 endif()

 # Select C++17 as the standard for C++ projects.
 set(CMAKE_CXX_STANDARD 17)
 # If C++17 is not available, downgrading to an earlier standard is NOT OK.
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
-# Do not enable compiler specific language extensions.
+# Do not enable compiler specific language extentions.
 set(CMAKE_CXX_EXTENSIONS OFF)

 # Make MSVC properly report the value of the __cplusplus preprocessor macro
@@ -1911,13 +1839,15 @@ if(WITH_BLENDER)
  # source after intern and extern to gather all
  # internal and external library information first, for test linking
  add_subdirectory(source)
-elseif(WITH_CYCLES_STANDALONE OR WITH_CYCLES_HYDRA_RENDER_DELEGATE)
+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)
+  add_subdirectory(extern/clew)
  if(WITH_CYCLES_LOGGING)
    if(NOT WITH_SYSTEM_GFLAGS)
      add_subdirectory(extern/gflags)
@@ -1974,7 +1904,7 @@ if(FIRST_RUN)

    set(_msg "  - ${_setting}")
    string(LENGTH "${_msg}" _len)
-    while("36" GREATER "${_len}")
+    while("32" GREATER "${_len}")
      string(APPEND _msg " ")
      math(EXPR _len "${_len} + 1")
    endwhile()
@@ -2064,7 +1994,6 @@ if(FIRST_RUN)
  endif()
  info_cfg_option(WITH_PYTHON_INSTALL)
  info_cfg_option(WITH_PYTHON_INSTALL_NUMPY)
-  info_cfg_option(WITH_PYTHON_INSTALL_ZSTANDARD)
  info_cfg_option(WITH_PYTHON_MODULE)
  info_cfg_option(WITH_PYTHON_SAFETY)

@@ -2089,8 +2018,3 @@ endif()
 if(0)
  print_all_vars()
 endif()
-
-# Should be the last step of configuration.
-if(POSTCONFIGURE_SCRIPT)
-  include(${POSTCONFIGURE_SCRIPT})
-endif()
--- a/149
+++ b/149
@@ -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:
@@ -8,7 +27,7 @@
 define HELP_TEXT

 Blender Convenience Targets
-   Provided for building Blender (multiple targets can be used at once).
+   Provided for building Blender, (multiple at once can be used).

   * debug:         Build a debug binary.
   * full:          Enable all supported dependencies & options.
@@ -21,8 +40,6 @@ Blender Convenience Targets
   * ninja:         Use ninja build tool for faster builds.
   * ccache:        Use ccache for faster rebuilds.

-   Note: when passing in multiple targets their order is not important.
-   So for a fast build you can for e.g. run 'make lite ccache ninja'.
   Note: passing the argument 'BUILD_DIR=path' when calling make will override the default build dir.
   Note: passing the argument 'BUILD_CMAKE_ARGS=args' lets you add cmake arguments.

@@ -32,7 +49,7 @@ 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 dependancies 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 +61,8 @@ 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 +70,24 @@ 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 +217,7 @@ 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 +326,7 @@ CMAKE_CONFIG = cmake $(CMAKE_CONFIG_ARGS) \
 # -----------------------------------------------------------------------------
 # Tool for 'make config'

-# X11 specific.
+# X11 spesific
 ifdef DISPLAY
 	CMAKE_CONFIG_TOOL = cmake-gui
 else
@@ -385,6 +403,11 @@ 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 "$(BUILD_DIR)" -s package_archive
@@ -395,7 +418,21 @@ package_archive: .FORCE
 # Tests
 #
 test: .FORCE
-	@$(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 +454,44 @@ 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=$(CHECK_SPELLING_CACHE) \
@@ -464,70 +501,52 @@ check_spelling_c: .FORCE
 	    "$(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 +556,25 @@ 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 *****

 ####################################################################################################
 #
@@ -47,7 +63,6 @@ include(cmake/jpeg.cmake)
 include(cmake/blosc.cmake)
 include(cmake/pthreads.cmake)
 include(cmake/openexr.cmake)
-include(cmake/brotli.cmake)
 include(cmake/freetype.cmake)
 include(cmake/freeglut.cmake)
 include(cmake/glew.cmake)
--- 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)

@@ -9,13 +25,8 @@ else()
 endif()

 if(WIN32)
-  if(MSVC_VERSION GREATER_EQUAL 1920) # 2019
-    set(BOOST_TOOLSET toolset=msvc-14.2)
-    set(BOOST_COMPILER_STRING -vc142)
-  else() # 2017
-    set(BOOST_TOOLSET toolset=msvc-14.1)
-    set(BOOST_COMPILER_STRING -vc141)
-  endif()
+  set(BOOST_TOOLSET toolset=msvc-14.1)
+  set(BOOST_COMPILER_STRING -vc141)

  set(BOOST_CONFIGURE_COMMAND bootstrap.bat)
  set(BOOST_BUILD_COMMAND b2)
--- a/build_files/build_environment/cmake/brotli.cmake
+++ b/build_files/build_environment/cmake/brotli.cmake
@@ -1,22 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
-
-set(BROTLI_EXTRA_ARGS
-)
-
-ExternalProject_Add(external_brotli
-  URL file://${PACKAGE_DIR}/${BROTLI_FILE}
-  DOWNLOAD_DIR ${DOWNLOAD_DIR}
-  URL_HASH ${BROTLI_HASH_TYPE}=${BROTLI_HASH}
-  PREFIX ${BUILD_DIR}/brotli
-  CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${LIBDIR}/brotli ${DEFAULT_CMAKE_FLAGS} ${BROTLI_EXTRA_ARGS}
-  INSTALL_DIR ${LIBDIR}/brotli
-)
-
-if(BUILD_MODE STREQUAL Release AND WIN32)
-  ExternalProject_Add_Step(external_brotli after_install
-    COMMAND ${CMAKE_COMMAND} -E copy_directory ${LIBDIR}/brotli/include ${HARVEST_TARGET}/brotli/include
-    COMMAND ${CMAKE_COMMAND} -E copy ${LIBDIR}/brotli/lib/brotlidec-static${LIBEXT} ${HARVEST_TARGET}/brotli/lib/brotlidec-static${LIBEXT}
-    COMMAND ${CMAKE_COMMAND} -E copy ${LIBDIR}/brotli/lib/brotlicommon-static${LIBEXT} ${HARVEST_TARGET}/brotli/lib/brotlicommon-static${LIBEXT}
-    DEPENDEES install
-  )
-endif()
--- 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
@@ -1,16 +1,9 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
-
-## Update and uncomment this in the release branch
-# set(BLENDER_VERSION 3.1)
-
 function(download_source dep)
  set(TARGET_FILE ${${dep}_FILE})
  set(TARGET_HASH_TYPE ${${dep}_HASH_TYPE})
  set(TARGET_HASH ${${dep}_HASH})
  if(PACKAGE_USE_UPSTREAM_SOURCES)
    set(TARGET_URI  ${${dep}_URI})
-  elseif(BLENDER_VERSION)
-    set(TARGET_URI  https://svn.blender.org/svnroot/bf-blender/tags/blender-${BLENDER_VERSION}-release/lib/packages/${TARGET_FILE})
  else()
    set(TARGET_URI  https://svn.blender.org/svnroot/bf-blender/trunk/lib/packages/${TARGET_FILE})
  endif()
@@ -101,4 +94,3 @@ download_source(POTRACE)
 download_source(HARU)
 download_source(ZSTD)
 download_source(FLEX)
-download_source(BROTLI)
--- 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
@@ -1,15 +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
-  -DPC_BROTLIDEC_INCLUDEDIR=${LIBDIR}/brotli/include
-  -DPC_BROTLIDEC_LIBDIR=${LIBDIR}/brotli/lib
-  )
+  -DWITH_BZip2=OFF
+  -DWITH_HarfBuzz=OFF
+  -DFT_WITH_HARFBUZZ=OFF
+  -DFT_WITH_BZIP2=OFF
+  -DCMAKE_DISABLE_FIND_PACKAGE_HarfBuzz=TRUE
+  -DCMAKE_DISABLE_FIND_PACKAGE_BZip2=TRUE
+  -DCMAKE_DISABLE_FIND_PACKAGE_BrotliDec=TRUE)

 ExternalProject_Add(external_freetype
  URL file://${PACKAGE_DIR}/${FREETYPE_FILE}
@@ -20,11 +36,6 @@ ExternalProject_Add(external_freetype
  INSTALL_DIR ${LIBDIR}/freetype
 )

-add_dependencies(
-  external_freetype
-  external_brotli
-)
-
 if(BUILD_MODE STREQUAL Release AND WIN32)
  ExternalProject_Add_Step(external_freetype after_install
    COMMAND ${CMAKE_COMMAND} -E copy_directory ${LIBDIR}/freetype ${HARVEST_TARGET}/freetype
--- 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)

@@ -22,6 +38,13 @@ elseif(UNIX AND NOT APPLE)
  )
 endif()

+if(BLENDER_PLATFORM_ARM)
+  set(GMP_OPTIONS
+    ${GMP_OPTIONS}
+    --disable-assembly
+  )
+endif()
+
 ExternalProject_Add(external_gmp
  URL file://${PACKAGE_DIR}/${GMP_FILE}
  DOWNLOAD_DIR ${DOWNLOAD_DIR}
--- 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
@@ -1,7 +1,23 @@
-# 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
+# Copy all generated files to the proper strucure as blender prefers
 ########################################################################

 if(NOT DEFINED HARVEST_TARGET)
@@ -63,8 +79,6 @@ endfunction()
 harvest(alembic/include alembic/include "*.h")
 harvest(alembic/lib/libAlembic.a alembic/lib/libAlembic.a)
 harvest(alembic/bin alembic/bin "*")
-harvest(brotli/include brotli/include "*.h")
-harvest(brotli/lib brotli/lib "*.a")
 harvest(boost/include boost/include "*")
 harvest(boost/lib boost/lib "*.a")
 harvest(ffmpeg/include ffmpeg/include "*.h")
--- 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
@@ -26,7 +42,6 @@ ExternalProject_Add(nanovdb
  URL_HASH ${NANOVDB_HASH_TYPE}=${NANOVDB_HASH}
  PREFIX ${BUILD_DIR}/nanovdb
  SOURCE_SUBDIR nanovdb
-  PATCH_COMMAND ${PATCH_CMD} -p 1 -d ${BUILD_DIR}/nanovdb/src/nanovdb < ${PATCH_DIR}/nanovdb.diff
  CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${LIBDIR}/nanovdb ${DEFAULT_CMAKE_FLAGS} ${NANOVDB_EXTRA_ARGS}
  INSTALL_DIR ${LIBDIR}/nanovdb
 )
--- 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}<")
@@ -22,6 +38,7 @@ ExternalProject_Add(external_numpy
  PREFIX ${BUILD_DIR}/numpy
  PATCH_COMMAND ${NUMPY_PATCH}
  CONFIGURE_COMMAND ""
+  PATCH_COMMAND COMMAND ${PATCH_CMD} -p 1 -d ${BUILD_DIR}/numpy/src/external_numpy < ${PATCH_DIR}/numpy.diff
  LOG_BUILD 1
  BUILD_COMMAND ${PYTHON_BINARY} ${BUILD_DIR}/numpy/src/external_numpy/setup.py build ${NUMPY_BUILD_OPTION} install --old-and-unmanageable
  INSTALL_COMMAND ""
--- 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)
@@ -23,7 +39,7 @@ endif()
 set(DOWNLOAD_DIR "${CMAKE_CURRENT_BINARY_DIR}/downloads" CACHE STRING "Path for downloaded files")
 # This path must be hard-coded like this, so that the GNUmakefile knows where it is and can pass it to make_source_archive.py:
 set(PACKAGE_DIR "${CMAKE_CURRENT_BINARY_DIR}/packages")
-option(PACKAGE_USE_UPSTREAM_SOURCES "Use sources upstream to download the package sources, when OFF the blender mirror will be used" ON)
+option(PACKAGE_USE_UPSTREAM_SOURCES "Use soures upstream to download the package sources, when OFF the blender mirror will be used" ON)

 file(TO_CMAKE_PATH ${DOWNLOAD_DIR} DOWNLOAD_DIR)
 file(TO_CMAKE_PATH ${PACKAGE_DIR} PACKAGE_DIR)
--- 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})
@@ -8,7 +24,7 @@ if(MSVC)
    add_custom_command(
      OUTPUT ${PYTARGET}/bin/python${PYTHON_POSTFIX}.exe
      COMMAND echo packaging python
-      COMMAND echo this should output at ${PYTARGET}/bin/python${PYTHON_POSTFIX}.exe
+      COMMAND echo this should ouput at ${PYTARGET}/bin/python${PYTHON_POSTFIX}.exe
      COMMAND ${CMAKE_COMMAND} -E make_directory ${PYTARGET}/libs
      COMMAND ${CMAKE_COMMAND} -E copy ${PYSRC}/libs/python${PYTHON_SHORT_VERSION_NO_DOTS}.lib ${PYTARGET}/libs/python${PYTHON_SHORT_VERSION_NO_DOTS}.lib
      COMMAND ${CMAKE_COMMAND} -E copy ${PYSRC}/python.exe ${PYTARGET}/bin/python.exe
@@ -27,7 +43,7 @@ if(MSVC)
    add_custom_command(
      OUTPUT ${PYTARGET}/bin/python${PYTHON_POSTFIX}.exe
      COMMAND echo packaging python
-      COMMAND echo this should output at ${PYTARGET}/bin/python${PYTHON_POSTFIX}.exe
+      COMMAND echo this should ouput at ${PYTARGET}/bin/python${PYTHON_POSTFIX}.exe
      COMMAND ${CMAKE_COMMAND} -E make_directory ${PYTARGET}/libs
      COMMAND ${CMAKE_COMMAND} -E copy ${PYSRC}/libs/python${PYTHON_SHORT_VERSION_NO_DOTS}${PYTHON_POSTFIX}.lib ${PYTARGET}/libs/python${PYTHON_SHORT_VERSION_NO_DOTS}${PYTHON_POSTFIX}.lib
      COMMAND ${CMAKE_COMMAND} -E copy ${PYSRC}/python${PYTHON_POSTFIX}.exe ${PYTARGET}/bin/python${PYTHON_POSTFIX}.exe
--- 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
@@ -1,21 +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 *****

 if(WIN32 AND BUILD_MODE STREQUAL Debug)
  set(SITE_PACKAGES_EXTRA --global-option build --global-option --debug)
-  # zstandard is determined to build and link release mode libs in a debug
-  # configuration, the only way to make it happy is to bend to its will
-  # and give it a library to link with.
-  set(PIP_CONFIGURE_COMMAND ${CMAKE_COMMAND} -E copy ${LIBDIR}/python/libs/python${PYTHON_SHORT_VERSION_NO_DOTS}_d.lib ${LIBDIR}/python/libs/python${PYTHON_SHORT_VERSION_NO_DOTS}.lib)
-else()
-  set(PIP_CONFIGURE_COMMAND echo ".")
 endif()

 ExternalProject_Add(external_python_site_packages
  DOWNLOAD_COMMAND ""
-  CONFIGURE_COMMAND ${PIP_CONFIGURE_COMMAND}
+  CONFIGURE_COMMAND ""
  BUILD_COMMAND ""
  PREFIX ${BUILD_DIR}/site_packages
-  INSTALL_COMMAND ${PYTHON_BINARY} -m pip install --no-cache-dir ${SITE_PACKAGES_EXTRA} cython==${CYTHON_VERSION} idna==${IDNA_VERSION} charset-normalizer==${CHARSET_NORMALIZER_VERSION} urllib3==${URLLIB3_VERSION} certifi==${CERTIFI_VERSION} requests==${REQUESTS_VERSION} zstandard==${ZSTANDARD_VERSION} --no-binary :all:
+  INSTALL_COMMAND ${PYTHON_BINARY} -m pip install ${SITE_PACKAGES_EXTRA} cython==${CYTHON_VERSION} idna==${IDNA_VERSION} chardet==${CHARDET_VERSION} urllib3==${URLLIB3_VERSION} certifi==${CERTIFI_VERSION} requests==${REQUESTS_VERSION} --no-binary :all:
 )

 if(USE_PIP_NUMPY)
--- 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}
@@ -52,14 +68,6 @@ add_dependencies(
  external_boost
 )

-# Since USD 21.11 the libraries are prefixed with "usd_", i.e. "libusd_m.a" became "libusd_usd_m.a".
-# See https://github.com/PixarAnimationStudios/USD/blob/release/CHANGELOG.md#2111---2021-11-01
-if (USD_VERSION VERSION_LESS 21.11)
-  set(PXR_LIB_PREFIX "")
-else()
-  set(PXR_LIB_PREFIX "usd_")
-endif()
-
 if(WIN32)
  # USD currently demands python be available at build time
  # and then proceeds not to use it, but still checks that the
@@ -73,14 +81,14 @@ if(WIN32)
  if(BUILD_MODE STREQUAL Release)
    ExternalProject_Add_Step(external_usd after_install
      COMMAND ${CMAKE_COMMAND} -E copy_directory ${LIBDIR}/usd/ ${HARVEST_TARGET}/usd
-      COMMAND ${CMAKE_COMMAND} -E copy ${BUILD_DIR}/usd/src/external_usd-build/pxr/Release/${PXR_LIB_PREFIX}usd_m.lib ${HARVEST_TARGET}/usd/lib/lib${PXR_LIB_PREFIX}usd_m.lib
+      COMMAND ${CMAKE_COMMAND} -E copy ${BUILD_DIR}/usd/src/external_usd-build/pxr/Release/usd_m.lib ${HARVEST_TARGET}/usd/lib/libusd_m.lib
      DEPENDEES install
    )
  endif()
  if(BUILD_MODE STREQUAL Debug)
    ExternalProject_Add_Step(external_usd after_install
      COMMAND ${CMAKE_COMMAND} -E copy_directory ${LIBDIR}/usd/lib ${HARVEST_TARGET}/usd/lib
-      COMMAND ${CMAKE_COMMAND} -E copy ${BUILD_DIR}/usd/src/external_usd-build/pxr/Debug/${PXR_LIB_PREFIX}usd_m_d.lib ${HARVEST_TARGET}/usd/lib/lib${PXR_LIB_PREFIX}usd_m_d.lib
+      COMMAND ${CMAKE_COMMAND} -E copy ${BUILD_DIR}/usd/src/external_usd-build/pxr/Debug/usd_m_d.lib ${HARVEST_TARGET}/usd/lib/libusd_m_d.lib
      DEPENDEES install
    )
  endif()
@@ -92,7 +100,7 @@ else()
  # case (only the shared library). As a result, we need to grab the `libusd_m.a`
  # file from the build directory instead of from the install directory.
  ExternalProject_Add_Step(external_usd after_install
-    COMMAND ${CMAKE_COMMAND} -E copy ${BUILD_DIR}/usd/src/external_usd-build/pxr/lib${PXR_LIB_PREFIX}usd_m.a ${HARVEST_TARGET}/usd/lib/lib${PXR_LIB_PREFIX}usd_m.a
+    COMMAND ${CMAKE_COMMAND} -E copy ${BUILD_DIR}/usd/src/external_usd-build/pxr/libusd_m.a ${HARVEST_TARGET}/usd/lib/libusd_m.a
    DEPENDEES install
  )
 endif()
--- 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 2.10.2)
 set(FREETYPE_URI http://prdownloads.sourceforge.net/freetype/freetype-${FREETYPE_VERSION}.tar.gz)
-set(FREETYPE_HASH bd4e3b007474319909a6b79d50908e85)
+set(FREETYPE_HASH b1cb620e4c875cd4d1bfa04945400945)
 set(FREETYPE_HASH_TYPE MD5)
 set(FREETYPE_FILE freetype-${FREETYPE_VERSION}.tar.gz)

@@ -173,11 +189,11 @@ set(OSL_HASH 1abd7ce40481771a9fa937f19595d2f2)
 set(OSL_HASH_TYPE MD5)
 set(OSL_FILE OpenShadingLanguage-${OSL_VERSION}.tar.gz)

-set(PYTHON_VERSION 3.10.2)
-set(PYTHON_SHORT_VERSION 3.10)
-set(PYTHON_SHORT_VERSION_NO_DOTS 310)
+set(PYTHON_VERSION 3.9.2)
+set(PYTHON_SHORT_VERSION 3.9)
+set(PYTHON_SHORT_VERSION_NO_DOTS 39)
 set(PYTHON_URI https://www.python.org/ftp/python/${PYTHON_VERSION}/Python-${PYTHON_VERSION}.tar.xz)
-set(PYTHON_HASH 14e8c22458ed7779a1957b26cde01db9)
+set(PYTHON_HASH f0dc9000312abeb16de4eccce9a870ab)
 set(PYTHON_HASH_TYPE MD5)
 set(PYTHON_FILE Python-${PYTHON_VERSION}.tar.xz)

@@ -199,20 +215,17 @@ set(NANOVDB_HASH e7b9e863ec2f3b04ead171dec2322807)
 set(NANOVDB_HASH_TYPE MD5)
 set(NANOVDB_FILE nano-vdb-${NANOVDB_GIT_UID}.tar.gz)

-set(IDNA_VERSION 3.3)
-set(CHARSET_NORMALIZER_VERSION 2.0.10)
-set(URLLIB3_VERSION 1.26.8)
-set(CERTIFI_VERSION 2021.10.8)
-set(REQUESTS_VERSION 2.27.1)
-set(CYTHON_VERSION 0.29.26)
-# The version of the zstd library used to build the Python package should match ZSTD_VERSION defined below.
-# At this time of writing, 0.17.0 was already released, but built against zstd 1.5.1, while we use 1.5.0.
-set(ZSTANDARD_VERSION 0.16.0)
+set(IDNA_VERSION 2.10)
+set(CHARDET_VERSION 4.0.0)
+set(URLLIB3_VERSION 1.26.3)
+set(CERTIFI_VERSION 2020.12.5)
+set(REQUESTS_VERSION 2.25.1)
+set(CYTHON_VERSION 0.29.21)

-set(NUMPY_VERSION 1.22.0)
-set(NUMPY_SHORT_VERSION 1.22)
+set(NUMPY_VERSION 1.19.5)
+set(NUMPY_SHORT_VERSION 1.19)
 set(NUMPY_URI https://github.com/numpy/numpy/releases/download/v${NUMPY_VERSION}/numpy-${NUMPY_VERSION}.zip)
-set(NUMPY_HASH 252de134862a27bd66705d29622edbfe)
+set(NUMPY_HASH f6a1b48717c552bbc18f1adc3cc1fe0e)
 set(NUMPY_HASH_TYPE MD5)
 set(NUMPY_FILE numpy-${NUMPY_VERSION}.zip)

@@ -442,9 +455,9 @@ 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)

@@ -460,9 +473,9 @@ set(ISPC_HASH 2e3abedbc0ea9aaec17d6562c632454d)
 set(ISPC_HASH_TYPE MD5)
 set(ISPC_FILE ispc-${ISPC_VERSION}.tar.gz)

-set(GMP_VERSION 6.2.1)
+set(GMP_VERSION 6.2.0)
 set(GMP_URI https://gmplib.org/download/gmp/gmp-${GMP_VERSION}.tar.xz)
-set(GMP_HASH 0b82665c4a92fd2ade7440c13fcaa42b)
+set(GMP_HASH a325e3f09e6d91e62101e59f9bda3ec1)
 set(GMP_HASH_TYPE MD5)
 set(GMP_FILE gmp-${GMP_VERSION}.tar.xz)

@@ -486,9 +499,3 @@ set(ZSTD_FILE zstd-${ZSTD_VERSION}.tar.gz)

 set(SSE2NEON_GIT https://github.com/DLTcollab/sse2neon.git)
 set(SSE2NEON_GIT_HASH fe5ff00bb8d19b327714a3c290f3e2ce81ba3525)
-
-set(BROTLI_VERSION v1.0.9)
-set(BROTLI_URI https://github.com/google/brotli/archive/refs/tags/${BROTLI_VERSION}.tar.gz)
-set(BROTLI_HASH f9e8d81d0405ba66d181529af42a3354f838c939095ff99930da6aa9cdf6fe46)
-set(BROTLI_HASH_TYPE SHA256)
-set(BROTLI_FILE brotli-${BROTLI_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.

@@ -355,104 +371,96 @@ NO_BUILD=false
 NO_CONFIRM=false
 USE_CXX11=true

-# Note about versions: Min is inclusive, Mex is 'minimum exclusive' (i.e. XXX_VERSION_MIN <= ACTUAL_VERSION < XXX_VERSION_MEX)
+# Note about versions: Min is inclusive, Max is exclusive (i.e. XXX_VERSION_MIN <= ACTUAL_VERSION < XXX_VERSION_MAX)
 # XXX_VERSION is officially supported/used version in official builds.
 # 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_MAX="10.0"

-PYTHON_VERSION="3.10.2"
-PYTHON_VERSION_SHORT="3.10"
-PYTHON_VERSION_MIN="3.10"
-PYTHON_VERSION_MEX="3.12"
+PYTHON_VERSION="3.9.2"
+PYTHON_VERSION_SHORT="3.9"
+PYTHON_VERSION_MIN="3.7"
+PYTHON_VERSION_MAX="3.11"
 PYTHON_VERSION_INSTALLED=$PYTHON_VERSION_SHORT
 PYTHON_FORCE_BUILD=false
 PYTHON_FORCE_REBUILD=false
 PYTHON_SKIP=false

 # Additional Python modules.
-PYTHON_IDNA_VERSION="3.3"
+PYTHON_IDNA_VERSION="2.9"
 PYTHON_IDNA_VERSION_MIN="2.0"
-PYTHON_IDNA_VERSION_MEX="4.0"
+PYTHON_IDNA_VERSION_MAX="3.0"
 PYTHON_IDNA_NAME="idna"

-PYTHON_CHARSET_NORMALIZER_VERSION="2.0.10"
-PYTHON_CHARSET_NORMALIZER_VERSION_MIN="2.0.6"
-PYTHON_CHARSET_NORMALIZER_VERSION_MEX="2.1.0"  # requests uses `charset_normalizer~=2.0.0`
-PYTHON_CHARSET_NORMALIZER_NAME="charset-normalizer"
+PYTHON_CHARDET_VERSION="3.0.4"
+PYTHON_CHARDET_VERSION_MIN="3.0"
+PYTHON_CHARDET_VERSION_MAX="5.0"
+PYTHON_CHARDET_NAME="chardet"

-PYTHON_URLLIB3_VERSION="1.26.8"
+PYTHON_URLLIB3_VERSION="1.25.9"
 PYTHON_URLLIB3_VERSION_MIN="1.0"
-PYTHON_URLLIB3_VERSION_MEX="2.0"
+PYTHON_URLLIB3_VERSION_MAX="2.0"
 PYTHON_URLLIB3_NAME="urllib3"

-PYTHON_CERTIFI_VERSION="2021.10.8"
-PYTHON_CERTIFI_VERSION_MIN="2021.0"
-PYTHON_CERTIFI_VERSION_MEX="2023.0"
+PYTHON_CERTIFI_VERSION="2020.4.5.2"
+PYTHON_CERTIFI_VERSION_MIN="2020.0"
+PYTHON_CERTIFI_VERSION_MAX="2021.0"
 PYTHON_CERTIFI_NAME="certifi"

-PYTHON_REQUESTS_VERSION="2.27.1"
+PYTHON_REQUESTS_VERSION="2.23.0"
 PYTHON_REQUESTS_VERSION_MIN="2.0"
-PYTHON_REQUESTS_VERSION_MEX="3.0"
+PYTHON_REQUESTS_VERSION_MAX="3.0"
 PYTHON_REQUESTS_NAME="requests"

-PYTHON_ZSTANDARD_VERSION="0.16.0"
-PYTHON_ZSTANDARD_VERSION_MIN="0.15.2"
-PYTHON_ZSTANDARD_VERSION_MEX="0.20.0"
-PYTHON_ZSTANDARD_NAME="zstandard"
-
-PYTHON_NUMPY_VERSION="1.22.0"
+PYTHON_NUMPY_VERSION="1.19.5"
 PYTHON_NUMPY_VERSION_MIN="1.14"
-PYTHON_NUMPY_VERSION_MEX="2.0"
+PYTHON_NUMPY_VERSION_MAX="2.0"
 PYTHON_NUMPY_NAME="numpy"

 # As package-ready parameters (only used with distro packages).
 PYTHON_MODULES_PACKAGES=(
-  "$PYTHON_IDNA_NAME $PYTHON_IDNA_VERSION_MIN $PYTHON_IDNA_VERSION_MEX"
-  "$PYTHON_CHARSET_NORMALIZER_NAME $PYTHON_CHARSET_NORMALIZER_VERSION_MIN $PYTHON_CHARSET_NORMALIZER_VERSION_MEX"
-  "$PYTHON_URLLIB3_NAME $PYTHON_URLLIB3_VERSION_MIN $PYTHON_URLLIB3_VERSION_MEX"
-  "$PYTHON_CERTIFI_NAME $PYTHON_CERTIFI_VERSION_MIN $PYTHON_CERTIFI_VERSION_MEX"
-  "$PYTHON_REQUESTS_NAME $PYTHON_REQUESTS_VERSION_MIN $PYTHON_REQUESTS_VERSION_MEX"
-  "$PYTHON_ZSTANDARD_NAME $PYTHON_ZSTANDARD_VERSION_MIN $PYTHON_ZSTANDARD_VERSION_MEX"
-  "$PYTHON_NUMPY_NAME $PYTHON_NUMPY_VERSION_MIN $PYTHON_NUMPY_VERSION_MEX"
+  "$PYTHON_IDNA_NAME $PYTHON_IDNA_VERSION_MIN $PYTHON_IDNA_VERSION_MAX"
+  "$PYTHON_CHARDET_NAME $PYTHON_CHARDET_VERSION_MIN $PYTHON_CHARDET_VERSION_MAX"
+  "$PYTHON_URLLIB3_NAME $PYTHON_URLLIB3_VERSION_MIN $PYTHON_URLLIB3_VERSION_MAX"
+  "$PYTHON_CERTIFI_NAME $PYTHON_CERTIFI_VERSION_MIN $PYTHON_CERTIFI_VERSION_MAX"
+  "$PYTHON_REQUESTS_NAME $PYTHON_REQUESTS_VERSION_MIN $PYTHON_REQUESTS_VERSION_MAX"
+  "$PYTHON_NUMPY_NAME $PYTHON_NUMPY_VERSION_MIN $PYTHON_NUMPY_VERSION_MAX"
 )

 # As pip-ready parameters (only used when building python).
 PYTHON_MODULES_PIP=(
  "$PYTHON_IDNA_NAME==$PYTHON_IDNA_VERSION"
-  "$PYTHON_CHARSET_NORMALIZER_NAME==$PYTHON_CHARSET_NORMALIZER_VERSION"
+  "$PYTHON_CHARDET_NAME==$PYTHON_CHARDET_VERSION"
  "$PYTHON_URLLIB3_NAME==$PYTHON_URLLIB3_VERSION"
  "$PYTHON_CERTIFI_NAME==$PYTHON_CERTIFI_VERSION"
  "$PYTHON_REQUESTS_NAME==$PYTHON_REQUESTS_VERSION"
-  "$PYTHON_ZSTANDARD_NAME==$PYTHON_ZSTANDARD_VERSION"
  "$PYTHON_NUMPY_NAME==$PYTHON_NUMPY_VERSION"
 )


-BOOST_VERSION="1.78.0"
-BOOST_VERSION_SHORT="1.78"
+BOOST_VERSION="1.73.0"
+BOOST_VERSION_SHORT="1.73"
 BOOST_VERSION_MIN="1.49"
-BOOST_VERSION_MEX="2.0"
+BOOST_VERSION_MAX="2.0"
 BOOST_FORCE_BUILD=false
 BOOST_FORCE_REBUILD=false
 BOOST_SKIP=false

 TBB_VERSION="2020"
 TBB_VERSION_SHORT="2020"
-TBB_VERSION_UPDATE="_U3"  # Used for source packages...
+TBB_VERSION_UPDATE="_U2"  # Used for source packages...
 TBB_VERSION_MIN="2018"
-TBB_VERSION_MEX="2022"
+TBB_VERSION_MAX="2022"
 TBB_FORCE_BUILD=false
 TBB_FORCE_REBUILD=false
 TBB_SKIP=false

-OCIO_VERSION="2.1.1"
-OCIO_VERSION_SHORT="2.1"
+OCIO_VERSION="2.0.0"
+OCIO_VERSION_SHORT="2.0"
 OCIO_VERSION_MIN="2.0"
-OCIO_VERSION_MEX="3.0"
+OCIO_VERSION_MAX="3.0"
 OCIO_FORCE_BUILD=false
 OCIO_FORCE_REBUILD=false
 OCIO_SKIP=false
@@ -460,16 +468,16 @@ OCIO_SKIP=false
 OPENEXR_VERSION="2.5.5"
 OPENEXR_VERSION_SHORT="2.5"
 OPENEXR_VERSION_MIN="2.4"
-OPENEXR_VERSION_MEX="3.0"
+OPENEXR_VERSION_MAX="3.0"
 OPENEXR_FORCE_BUILD=false
 OPENEXR_FORCE_REBUILD=false
 OPENEXR_SKIP=false
 _with_built_openexr=false

-OIIO_VERSION="2.3.13.0"
-OIIO_VERSION_SHORT="2.3"
+OIIO_VERSION="2.2.15.1"
+OIIO_VERSION_SHORT="2.2"
 OIIO_VERSION_MIN="2.1.12"
-OIIO_VERSION_MEX="2.4.0"
+OIIO_VERSION_MAX="2.3.0"
 OIIO_FORCE_BUILD=false
 OIIO_FORCE_REBUILD=false
 OIIO_SKIP=false
@@ -477,46 +485,46 @@ OIIO_SKIP=false
 LLVM_VERSION="12.0.0"
 LLVM_VERSION_SHORT="12.0"
 LLVM_VERSION_MIN="11.0"
-LLVM_VERSION_MEX="14.0"
+LLVM_VERSION_MAX="13.0"
 LLVM_VERSION_FOUND=""
 LLVM_FORCE_BUILD=false
 LLVM_FORCE_REBUILD=false
 LLVM_SKIP=false

 # OSL needs to be compiled for now!
-OSL_VERSION="1.11.17.0"
+OSL_VERSION="1.11.14.1"
 OSL_VERSION_SHORT="1.11"
 OSL_VERSION_MIN="1.11"
-OSL_VERSION_MEX="2.0"
+OSL_VERSION_MAX="2.0"
 OSL_FORCE_BUILD=false
 OSL_FORCE_REBUILD=false
 OSL_SKIP=false

 # OpenSubdiv needs to be compiled for now
-OSD_VERSION="3.4.4"
+OSD_VERSION="3.4.3"
 OSD_VERSION_SHORT="3.4"
 OSD_VERSION_MIN="3.4"
-OSD_VERSION_MEX="4.0"
+OSD_VERSION_MAX="4.0"
 OSD_FORCE_BUILD=false
 OSD_FORCE_REBUILD=false
 OSD_SKIP=false

 # OpenVDB needs to be compiled for now
-OPENVDB_BLOSC_VERSION="1.21.1"
+OPENVDB_BLOSC_VERSION="1.5.0"

-OPENVDB_VERSION="9.0.0"
-OPENVDB_VERSION_SHORT="9.0"
-OPENVDB_VERSION_MIN="9.0"
-OPENVDB_VERSION_MEX="9.1"
+OPENVDB_VERSION="8.0.1"
+OPENVDB_VERSION_SHORT="8.0"
+OPENVDB_VERSION_MIN="8.0"
+OPENVDB_VERSION_MAX="8.1"
 OPENVDB_FORCE_BUILD=false
 OPENVDB_FORCE_REBUILD=false
 OPENVDB_SKIP=false

 # Alembic needs to be compiled for now
-ALEMBIC_VERSION="1.8.3"
-ALEMBIC_VERSION_SHORT="1.8"
+ALEMBIC_VERSION="1.7.16"
+ALEMBIC_VERSION_SHORT="1.7"
 ALEMBIC_VERSION_MIN="1.7"
-ALEMBIC_VERSION_MEX="2.0"
+ALEMBIC_VERSION_MAX="2.0"
 ALEMBIC_FORCE_BUILD=false
 ALEMBIC_FORCE_REBUILD=false
 ALEMBIC_SKIP=false
@@ -524,7 +532,7 @@ ALEMBIC_SKIP=false
 USD_VERSION="21.02"
 USD_VERSION_SHORT="21.02"
 USD_VERSION_MIN="20.05"
-USD_VERSION_MEX="22.00"
+USD_VERSION_MAX="22.00"
 USD_FORCE_BUILD=false
 USD_FORCE_REBUILD=false
 USD_SKIP=false
@@ -532,42 +540,42 @@ USD_SKIP=false
 OPENCOLLADA_VERSION="1.6.68"
 OPENCOLLADA_VERSION_SHORT="1.6"
 OPENCOLLADA_VERSION_MIN="1.6.68"
-OPENCOLLADA_VERSION_MEX="1.7"
+OPENCOLLADA_VERSION_MAX="1.7"
 OPENCOLLADA_FORCE_BUILD=false
 OPENCOLLADA_FORCE_REBUILD=false
 OPENCOLLADA_SKIP=false

-EMBREE_VERSION="3.13.3"
-EMBREE_VERSION_SHORT="3.13"
-EMBREE_VERSION_MIN="3.13"
-EMBREE_VERSION_MEX="4.0"
+EMBREE_VERSION="3.10.0"
+EMBREE_VERSION_SHORT="3.10"
+EMBREE_VERSION_MIN="3.10"
+EMBREE_VERSION_MAX="4.0"
 EMBREE_FORCE_BUILD=false
 EMBREE_FORCE_REBUILD=false
 EMBREE_SKIP=false

-OIDN_VERSION="1.4.3"
+OIDN_VERSION="1.4.1"
 OIDN_VERSION_SHORT="1.4"
 OIDN_VERSION_MIN="1.4.0"
-OIDN_VERSION_MEX="1.5"
+OIDN_VERSION_MAX="1.5"
 OIDN_FORCE_BUILD=false
 OIDN_FORCE_REBUILD=false
 OIDN_SKIP=false

-ISPC_VERSION="1.17.0"
+ISPC_VERSION="1.16.0"

 FFMPEG_VERSION="4.4"
 FFMPEG_VERSION_SHORT="4.4"
 FFMPEG_VERSION_MIN="3.0"
-FFMPEG_VERSION_MEX="5.0"
+FFMPEG_VERSION_MAX="5.0"
 FFMPEG_FORCE_BUILD=false
 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"
+XR_OPENXR_VERSION_MAX="2.0"
 XR_OPENXR_FORCE_BUILD=false
 XR_OPENXR_FORCE_REBUILD=false
 XR_OPENXR_SKIP=false
@@ -1029,7 +1037,7 @@ OPENEXR_SOURCE_REPO_UID="0ac2ea34c8f3134148a5df4052e40f155b76f6fb"
 #~ OPENEXR_SOURCE=( "https://github.com/openexr/openexr/archive/$OPENEXR_SOURCE_REPO_UID.tar.gz" )

 OIIO_USE_REPO=false
-OIIO_SOURCE=( "https://github.com/OpenImageIO/oiio/archive/refs/tags/v$OIIO_VERSION.tar.gz" )
+OIIO_SOURCE=( "https://github.com/OpenImageIO/oiio/archive/Release-$OIIO_VERSION.tar.gz" )
 #~ OIIO_SOURCE_REPO=( "https://github.com/OpenImageIO/oiio.git" )
 #~ OIIO_SOURCE_REPO_UID="c9e67275a0b248ead96152f6d2221cc0c0f278a4"

@@ -1101,7 +1109,7 @@ 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
@@ -1133,11 +1141,10 @@ You may also want to build them yourself (optional ones are [between brackets]):

    * Python $PYTHON_VERSION (from $PYTHON_SOURCE).
    ** [IDNA $PYTHON_IDNA_VERSION] (use pip).
-    ** [Charset Normalizer $PYTHON_CHARSET_NORMALIZER_VERSION] (use pip).
+    ** [Chardet $PYTHON_CHARDET_VERSION] (use pip).
    ** [Urllib3 $PYTHON_URLLIB3_VERSION] (use pip).
    ** [Certifi $PYTHON_CERTIFI_VERSION] (use pip).
    ** [Requests $PYTHON_REQUESTS_VERSION] (use pip).
-    ** [ZStandard $PYTHON_ZSTANDARD_VERSION] (use pip).
    ** [NumPy $PYTHON_NUMPY_VERSION] (use pip).
    * Boost $BOOST_VERSION (from $BOOST_SOURCE, modules: $BOOST_BUILD_MODULES).
    * TBB $TBB_VERSION (from $TBB_SOURCE).
@@ -1811,7 +1818,7 @@ compile_OCIO() {
    # Force linking against static libs
    #rm -f $_inst/lib/*.so*

-    # Additional dependencies
+    # Additional depencencies
    #cp ext/dist/lib/libtinyxml.a $_inst/lib
    #cp ext/dist/lib/libyaml-cpp.a $_inst/lib

@@ -2006,7 +2013,7 @@ compile_OIIO() {
  fi

  # To be changed each time we make edits that would modify the compiled result!
-  oiio_magic=18
+  oiio_magic=17
  _init_oiio

  # Force having own builds for the dependencies.
@@ -2034,7 +2041,7 @@ compile_OIIO() {
      else
        download OIIO_SOURCE[@] "$_src.tar.gz"
        INFO "Unpacking OpenImageIO-$OIIO_VERSION"
-        tar -C $SRC --transform "s,(.*/?)oiio-[^/]*(.*),\1OpenImageIO-$OIIO_VERSION\2,x" -xf $_src.tar.gz
+        tar -C $SRC --transform "s,(.*/?)oiio-Release-[^/]*(.*),\1OpenImageIO-$OIIO_VERSION\2,x" -xf $_src.tar.gz
      fi
    fi

@@ -2068,9 +2075,9 @@ compile_OIIO() {
    cmake_d="$cmake_d -D OPENEXR_VERSION=$OPENEXR_VERSION"

    if [ "$_with_built_openexr" = true ]; then
-      cmake_d="$cmake_d -D ILMBASE_ROOT=$INST/openexr"
-      cmake_d="$cmake_d -D OPENEXR_ROOT=$INST/openexr"
-      INFO "Ilmbase_ROOT=$INST/openexr"
+      cmake_d="$cmake_d -D ILMBASE_HOME=$INST/openexr"
+      cmake_d="$cmake_d -D OPENEXR_HOME=$INST/openexr"
+      INFO "ILMBASE_HOME=$INST/openexr"
    fi

    # ptex is only needed when nicholas bishop is ready
@@ -2081,7 +2088,6 @@ compile_OIIO() {
    cmake_d="$cmake_d -D USE_PYTHON=OFF"
    cmake_d="$cmake_d -D USE_FFMPEG=OFF"
    cmake_d="$cmake_d -D USE_OPENCV=OFF"
-    cmake_d="$cmake_d -D USE_OPENVDB=OFF"
    cmake_d="$cmake_d -D BUILD_TESTING=OFF"
    cmake_d="$cmake_d -D OIIO_BUILD_TESTS=OFF"
    cmake_d="$cmake_d -D OIIO_BUILD_TOOLS=OFF"
@@ -2359,9 +2365,9 @@ compile_OSL() {
    #~ cmake_d="$cmake_d -D ILMBASE_VERSION=$ILMBASE_VERSION"

    if [ "$_with_built_openexr" = true ]; then
-      cmake_d="$cmake_d -D ILMBASE_ROOT=$INST/openexr"
-      cmake_d="$cmake_d -D OPENEXR_ROOT=$INST/openexr"
-      INFO "Ilmbase_ROOT=$INST/openexr"
+      INFO "ILMBASE_HOME=$INST/openexr"
+      cmake_d="$cmake_d -D OPENEXR_ROOT_DIR=$INST/openexr"
+      cmake_d="$cmake_d -D ILMBASE_ROOT_DIR=$INST/openexr"
      # XXX Temp workaround... sigh, ILMBase really messed the things up by defining their custom names ON by default :(
    fi

@@ -3605,8 +3611,8 @@ compile_FFmpeg() {
    fi

    ./configure --cc="gcc -Wl,--as-needed" \
-        --extra-ldflags="-pthread" \
-        --prefix=$_inst --enable-shared \
+        --extra-ldflags="-pthread -static-libgcc" \
+        --prefix=$_inst --enable-static \
        --disable-ffplay --disable-doc \
        --enable-gray \
        --enable-avfilter --disable-vdpau \
@@ -4021,21 +4027,21 @@ 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_MAX
    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)
        package="python3-${module[0]}"
        package_vmin=${module[1]}
-        package_vmex=${module[2]}
-        check_package_version_ge_lt_DEB "$package" $package_vmin $package_vmex
+        package_vmax=${module[2]}
+        check_package_version_ge_lt_DEB "$package" $package_vmin $package_vmax
        if [ $? -eq 0 ]; then
          install_packages_DEB "$package"
        else
@@ -4061,7 +4067,7 @@ install_DEB() {
    INFO "Forced Boost building, as requested..."
    compile_Boost
  else
-    check_package_version_ge_lt_DEB libboost-dev $BOOST_VERSION_MIN $BOOST_VERSION_MEX
+    check_package_version_ge_lt_DEB libboost-dev $BOOST_VERSION_MIN $BOOST_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_DEB libboost-dev

@@ -4082,7 +4088,7 @@ install_DEB() {
    INFO "Forced TBB building, as requested..."
    compile_TBB
  else
-    check_package_version_ge_lt_DEB libtbb-dev $TBB_VERSION_MIN $TBB_VERSION_MEX
+    check_package_version_ge_lt_DEB libtbb-dev $TBB_VERSION_MIN $TBB_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_DEB libtbb-dev
      clean_TBB
@@ -4099,7 +4105,7 @@ install_DEB() {
    INFO "Forced OpenColorIO building, as requested..."
    compile_OCIO
  else
-    check_package_version_ge_lt_DEB libopencolorio-dev $OCIO_VERSION_MIN $OCIO_VERSION_MEX
+    check_package_version_ge_lt_DEB libopencolorio-dev $OCIO_VERSION_MIN $OCIO_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_DEB libopencolorio-dev
      clean_OCIO
@@ -4116,7 +4122,7 @@ install_DEB() {
    INFO "Forced ILMBase/OpenEXR building, as requested..."
    compile_OPENEXR
  else
-    check_package_version_ge_lt_DEB libopenexr-dev $OPENEXR_VERSION_MIN $OPENEXR_VERSION_MEX
+    check_package_version_ge_lt_DEB libopenexr-dev $OPENEXR_VERSION_MIN $OPENEXR_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_DEB libopenexr-dev
      OPENEXR_VERSION=`get_package_version_DEB libopenexr-dev`
@@ -4137,7 +4143,7 @@ install_DEB() {
    INFO "Forced OpenImageIO building, as requested..."
    compile_OIIO
  else
-    check_package_version_ge_lt_DEB libopenimageio-dev $OIIO_VERSION_MIN $OIIO_VERSION_MEX
+    check_package_version_ge_lt_DEB libopenimageio-dev $OIIO_VERSION_MIN $OIIO_VERSION_MAX
    if [ $? -eq 0 -a "$_with_built_openexr" = false ]; then
      install_packages_DEB libopenimageio-dev openimageio-tools
      clean_OIIO
@@ -4157,7 +4163,7 @@ install_DEB() {
    INFO "Forced LLVM building, as requested..."
    _do_compile_llvm=true
  else
-    check_package_version_ge_lt_DEB llvm-dev $LLVM_VERSION_MIN $LLVM_VERSION_MEX
+    check_package_version_ge_lt_DEB llvm-dev $LLVM_VERSION_MIN $LLVM_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_DEB llvm-dev clang libclang-dev
      have_llvm=true
@@ -4188,7 +4194,7 @@ install_DEB() {
    INFO "Forced OpenShadingLanguage building, as requested..."
    _do_compile_osl=true
  else
-    check_package_version_ge_lt_DEB  libopenshadinglanguage-dev $OSL_VERSION_MIN $OSL_VERSION_MEX
+    check_package_version_ge_lt_DEB  libopenshadinglanguage-dev $OSL_VERSION_MIN $OSL_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_DEB libopenshadinglanguage-dev
      clean_OSL
@@ -4226,7 +4232,7 @@ install_DEB() {
    INFO "Forced OpenVDB building, as requested..."
    compile_OPENVDB
  else
-    check_package_version_ge_lt_DEB libopenvdb-dev $OPENVDB_VERSION_MIN $OPENVDB_VERSION_MEX
+    check_package_version_ge_lt_DEB libopenvdb-dev $OPENVDB_VERSION_MIN $OPENVDB_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_DEB libopenvdb-dev libblosc-dev
      clean_OPENVDB
@@ -4288,7 +4294,7 @@ install_DEB() {
      _do_compile_embree=true
    else
      # There is a package, but it does not provide everything that Blender needs...
-      #~ check_package_version_ge_lt_DEB libembree-dev $EMBREE_VERSION_MIN $EMBREE_VERSION_MEX
+      #~ check_package_version_ge_lt_DEB libembree-dev $EMBREE_VERSION_MIN $EMBREE_VERSION_MAX
      #~ if [ $? -eq 0 ]; then
        #~ install_packages_DEB libembree-dev
        #~ clean_Embree
@@ -4330,7 +4336,7 @@ install_DEB() {
    # XXX Debian Testing / Ubuntu 16.04 finally includes FFmpeg, so check as usual
    check_package_DEB ffmpeg
    if [ $? -eq 0 ]; then
-      check_package_version_ge_lt_DEB ffmpeg $FFMPEG_VERSION_MIN $FFMPEG_VERSION_MEX
+      check_package_version_ge_lt_DEB ffmpeg $FFMPEG_VERSION_MIN $FFMPEG_VERSION_MAX
      if [ $? -eq 0 ]; then
        install_packages_DEB libavdevice-dev
        clean_FFmpeg
@@ -4664,20 +4670,20 @@ install_RPM() {
    INFO "Forced Python building, as requested..."
    _do_compile_python=true
  else
-    check_package_version_ge_lt_RPM python3-devel $PYTHON_VERSION_MIN $PYTHON_VERSION_MEX
+    check_package_version_ge_lt_RPM python3-devel $PYTHON_VERSION_MIN $PYTHON_VERSION_MAX
    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=($module)
        package="python3-${module[0]}"
        package_vmin=${module[1]}
-        package_vmex=${module[2]}
-        check_package_version_ge_lt_RPM "$package" $package_vmin $package_vmex
+        package_vmax=${module[2]}
+        check_package_version_ge_lt_RPM "$package" $package_vmin $package_vmax
        if [ $? -eq 0 ]; then
          install_packages_RPM "$package"
        else
@@ -4704,7 +4710,7 @@ install_RPM() {
    INFO "Forced Boost building, as requested..."
    _do_compile_boost=true
  else
-    check_package_version_ge_lt_RPM boost-devel $BOOST_VERSION_MIN $BOOST_VERSION_MEX
+    check_package_version_ge_lt_RPM boost-devel $BOOST_VERSION_MIN $BOOST_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_RPM boost-devel
      clean_Boost
@@ -4731,7 +4737,7 @@ install_RPM() {
    INFO "Forced TBB building, as requested..."
    compile_TBB
  else
-    check_package_version_ge_lt_RPM tbb-devel $TBB_VERSION_MIN $TBB_VERSION_MEX
+    check_package_version_ge_lt_RPM tbb-devel $TBB_VERSION_MIN $TBB_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_RPM tbb-devel
      clean_TBB
@@ -4749,7 +4755,7 @@ install_RPM() {
    compile_OCIO
  else
    if [ "$RPM" = "SUSE" ]; then
-      check_package_version_ge_lt_RPM OpenColorIO-devel $OCIO_VERSION_MIN $OCIO_VERSION_MEX
+      check_package_version_ge_lt_RPM OpenColorIO-devel $OCIO_VERSION_MIN $OCIO_VERSION_MAX
      if [ $? -eq 0 ]; then
        install_packages_RPM OpenColorIO-devel
        clean_OCIO
@@ -4769,7 +4775,7 @@ install_RPM() {
    INFO "Forced ILMBase/OpenEXR building, as requested..."
    compile_OPENEXR
  else
-    check_package_version_ge_lt_RPM openexr-devel $OPENEXR_VERSION_MIN $OPENEXR_VERSION_MEX
+    check_package_version_ge_lt_RPM openexr-devel $OPENEXR_VERSION_MIN $OPENEXR_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_RPM openexr-devel
      OPENEXR_VERSION=`get_package_version_RPM openexr-devel`
@@ -4787,7 +4793,7 @@ install_RPM() {
    INFO "Forced OpenImageIO building, as requested..."
    compile_OIIO
  else
-    check_package_version_ge_lt_RPM OpenImageIO-devel $OIIO_VERSION_MIN $OIIO_VERSION_MEX
+    check_package_version_ge_lt_RPM OpenImageIO-devel $OIIO_VERSION_MIN $OIIO_VERSION_MAX
    if [ $? -eq 0 -a $_with_built_openexr == false ]; then
      install_packages_RPM OpenImageIO-devel OpenImageIO-utils
      clean_OIIO
@@ -4812,7 +4818,7 @@ install_RPM() {
    else
      CLANG_DEV="clang-devel"
    fi
-    check_package_version_ge_lt_RPM llvm-devel $LLVM_VERSION_MIN $LLVM_VERSION_MEX
+    check_package_version_ge_lt_RPM llvm-devel $LLVM_VERSION_MIN $LLVM_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_RPM llvm-devel $CLANG_DEV
      have_llvm=true
@@ -4848,7 +4854,7 @@ install_RPM() {
    else
      OSL_DEV="openshadinglanguage-devel"
    fi
-    check_package_version_ge_lt_RPM $OSL_DEV $OSL_VERSION_MIN $OSL_VERSION_MEX
+    check_package_version_ge_lt_RPM $OSL_DEV $OSL_VERSION_MIN $OSL_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_RPM $OSL_DEV
      clean_OSL
@@ -4943,7 +4949,7 @@ install_RPM() {
      _do_compile_embree=true
    else
      # There is a package, but it does not provide everything that Blender needs...
-      #~ check_package_version_ge_lt_RPM embree-devel $EMBREE_VERSION_MIN $EMBREE_VERSION_MEX
+      #~ check_package_version_ge_lt_RPM embree-devel $EMBREE_VERSION_MIN $EMBREE_VERSION_MAX
      #~ if [ $? -eq 0 ]; then
        #~ install_packages_RPM embree-devel
        #~ clean_Embree
@@ -4982,7 +4988,7 @@ install_RPM() {
    INFO "Forced FFMpeg building, as requested..."
    compile_FFmpeg
  else
-    check_package_version_ge_lt_RPM ffmpeg-devel $FFMPEG_VERSION_MIN $FFMPEG_VERSION_MEX
+    check_package_version_ge_lt_RPM ffmpeg-devel $FFMPEG_VERSION_MIN $FFMPEG_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_RPM ffmpeg ffmpeg-devel
      clean_FFmpeg
@@ -5207,21 +5213,21 @@ install_ARCH() {
    INFO "Forced Python building, as requested..."
    _do_compile_python=true
  else
-    check_package_version_ge_lt_ARCH python $PYTHON_VERSION_MIN $PYTHON_VERSION_MEX
+    check_package_version_ge_lt_ARCH python $PYTHON_VERSION_MIN $PYTHON_VERSION_MAX
    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=($module)
        package="python-${module[0]}"
        package_vmin=${module[1]}
-        package_vmex=${module[2]}
-        check_package_version_ge_lt_ARCH "$package" $package_vmin $package_vmex
+        package_vmax=${module[2]}
+        check_package_version_ge_lt_ARCH "$package" $package_vmin $package_vmax
        if [ $? -eq 0 ]; then
          install_packages_ARCH "$package"
        else
@@ -5247,7 +5253,7 @@ install_ARCH() {
    INFO "Forced Boost building, as requested..."
    compile_Boost
  else
-    check_package_version_ge_lt_ARCH boost $BOOST_VERSION_MIN $BOOST_VERSION_MEX
+    check_package_version_ge_lt_ARCH boost $BOOST_VERSION_MIN $BOOST_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_ARCH boost
      clean_Boost
@@ -5264,7 +5270,7 @@ install_ARCH() {
    INFO "Forced TBB building, as requested..."
    compile_TBB
  else
-    check_package_version_ge_lt_ARCH intel-tbb $TBB_VERSION_MIN $TBB_VERSION_MEX
+    check_package_version_ge_lt_ARCH intel-tbb $TBB_VERSION_MIN $TBB_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_ARCH intel-tbb
      clean_TBB
@@ -5281,7 +5287,7 @@ install_ARCH() {
    INFO "Forced OpenColorIO building, as requested..."
    compile_OCIO
  else
-    check_package_version_ge_lt_ARCH opencolorio $OCIO_VERSION_MIN $OCIO_VERSION_MEX
+    check_package_version_ge_lt_ARCH opencolorio $OCIO_VERSION_MIN $OCIO_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_ARCH opencolorio
      clean_OCIO
@@ -5298,7 +5304,7 @@ install_ARCH() {
    INFO "Forced ILMBase/OpenEXR building, as requested..."
    compile_OPENEXR
  else
-    check_package_version_ge_lt_ARCH openexr $OPENEXR_VERSION_MIN $OPENEXR_VERSION_MEX
+    check_package_version_ge_lt_ARCH openexr $OPENEXR_VERSION_MIN $OPENEXR_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_ARCH openexr
      OPENEXR_VERSION=`get_package_version_ARCH openexr`
@@ -5317,7 +5323,7 @@ install_ARCH() {
    INFO "Forced OpenImageIO building, as requested..."
    compile_OIIO
  else
-    check_package_version_ge_lt_ARCH openimageio $OIIO_VERSION_MIN $OIIO_VERSION_MEX
+    check_package_version_ge_lt_ARCH openimageio $OIIO_VERSION_MIN $OIIO_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_ARCH openimageio
      clean_OIIO
@@ -5337,7 +5343,7 @@ install_ARCH() {
    INFO "Forced LLVM building, as requested..."
    _do_compile_llvm=true
  else
-    check_package_version_ge_lt_ARCH llvm $LLVM_VERSION_MIN $LLVM_VERSION_MEX
+    check_package_version_ge_lt_ARCH llvm $LLVM_VERSION_MIN $LLVM_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_ARCH llvm clang
      have_llvm=true
@@ -5368,7 +5374,7 @@ install_ARCH() {
    INFO "Forced OpenShadingLanguage building, as requested..."
    _do_compile_osl=true
  else
-    check_package_version_ge_lt_ARCH openshadinglanguage $OSL_VERSION_MIN $OSL_VERSION_MEX
+    check_package_version_ge_lt_ARCH openshadinglanguage $OSL_VERSION_MIN $OSL_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_ARCH openshadinglanguage
      clean_OSL
@@ -5394,7 +5400,7 @@ install_ARCH() {
    INFO "Forced OpenSubdiv building, as requested..."
    compile_OSD
  else
-    check_package_version_ge_lt_ARCH opensubdiv $OSD_VERSION_MIN $OSD_VERSION_MEX
+    check_package_version_ge_lt_ARCH opensubdiv $OSD_VERSION_MIN $OSD_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_ARCH opensubdiv
      clean_OSD
@@ -5411,7 +5417,7 @@ install_ARCH() {
    INFO "Forced OpenVDB building, as requested..."
    compile_OPENVDB
  else
-    check_package_version_ge_lt_ARCH openvdb $OPENVDB_VERSION_MIN $OPENVDB_VERSION_MEX
+    check_package_version_ge_lt_ARCH openvdb $OPENVDB_VERSION_MIN $OPENVDB_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_ARCH openvdb
      clean_OPENVDB
@@ -5477,7 +5483,7 @@ install_ARCH() {
      _do_compile_embree=true
    else
      # There is a package, but it does not provide everything that Blender needs...
-      #~ check_package_version_ge_lt_ARCH embree $EMBREE_VERSION_MIN $EMBREE_VERSION_MEX
+      #~ check_package_version_ge_lt_ARCH embree $EMBREE_VERSION_MIN $EMBREE_VERSION_MAX
      #~ if [ $? -eq 0 ]; then
        #~ install_packages_ARCH embree
        #~ clean_Embree
@@ -5516,7 +5522,7 @@ install_ARCH() {
    INFO "Forced FFMpeg building, as requested..."
    compile_FFmpeg
  else
-    check_package_version_ge_lt_ARCH ffmpeg $FFMPEG_VERSION_MIN $FFMPEG_VERSION_MEX
+    check_package_version_ge_lt_ARCH ffmpeg $FFMPEG_VERSION_MIN $FFMPEG_VERSION_MAX
    if [ $? -eq 0 ]; then
      install_packages_ARCH ffmpeg
      clean_FFmpeg
@@ -5706,6 +5712,76 @@ install_OTHER() {
 # ----------------------------------------------------------------------------
 # Printing User Info

+print_info_ffmpeglink_DEB() {
+  dpkg -L $_packages | grep -e ".*\/lib[^\/]\+\.so" | gawk '{ printf(nlines ? "'"$_ffmpeg_list_sep"'%s" : "%s", gensub(/.*lib([^\/]+)\.so/, "\\1", "g", $0)); nlines++ }'
+}
+
+print_info_ffmpeglink_RPM() {
+  rpm -ql $_packages | grep -e ".*\/lib[^\/]\+\.so" | gawk '{ printf(nlines ? "'"$_ffmpeg_list_sep"'%s" : "%s", gensub(/.*lib([^\/]+)\.so/, "\\1", "g", $0)); nlines++ }'
+}
+
+print_info_ffmpeglink_ARCH() {
+  pacman -Ql $_packages | grep -e ".*\/lib[^\/]\+\.so$" | gawk '{ printf(nlines ? "'"$_ffmpeg_list_sep"'%s" : "%s", gensub(/.*lib([^\/]+)\.so/, "\\1", "g", $0)); nlines++ }'
+}
+
+print_info_ffmpeglink() {
+  # This func must only print a ';'-separated list of libs...
+  if [ -z "$DISTRO" ]; then
+    ERROR "Failed to detect distribution type"
+    exit 1
+  fi
+
+  # Create list of packages from which to get libs names...
+  _packages=""
+
+  if [ "$THEORA_USE" = true ]; then
+    _packages="$_packages $THEORA_DEV"
+  fi
+
+  if [ "$VORBIS_USE" = true ]; then
+    _packages="$_packages $VORBIS_DEV"
+  fi
+
+  if [ "$OGG_USE" = true ]; then
+    _packages="$_packages $OGG_DEV"
+  fi
+
+  if [ "$XVID_USE" = true ]; then
+    _packages="$_packages $XVID_DEV"
+  fi
+
+  if [ "$VPX_USE" = true ]; then
+    _packages="$_packages $VPX_DEV"
+  fi
+
+  if [ "$OPUS_USE" = true ]; then
+    _packages="$_packages $OPUS_DEV"
+  fi
+
+  if [ "$MP3LAME_USE" = true ]; then
+    _packages="$_packages $MP3LAME_DEV"
+  fi
+
+  if [ "$X264_USE" = true ]; then
+    _packages="$_packages $X264_DEV"
+  fi
+
+  if [ "$OPENJPEG_USE" = true ]; then
+    _packages="$_packages $OPENJPEG_DEV"
+  fi
+
+  if [ "$DISTRO" = "DEB" ]; then
+    print_info_ffmpeglink_DEB
+  elif [ "$DISTRO" = "RPM" ]; then
+    print_info_ffmpeglink_RPM
+  elif [ "$DISTRO" = "ARCH" ]; then
+    print_info_ffmpeglink_ARCH
+  # XXX TODO!
+  else
+    PRINT "<Could not determine additional link libraries needed for ffmpeg, replace this by valid list of libs...>"
+  fi
+}
+
 print_info() {
  PRINT ""
  PRINT ""
@@ -5716,7 +5792,7 @@ print_info() {
  PRINT "If you're using CMake add this to your configuration flags:"

  _buildargs="-U *SNDFILE* -U PYTHON* -U *BOOST* -U *Boost* -U *TBB*"
-  _buildargs="$_buildargs -U *OPENCOLORIO* -U *OPENEXR* -U *OPENIMAGEIO* -U *LLVM* -U *CLANG* -U *CYCLES*"
+  _buildargs="$_buildargs -U *OPENCOLORIO* -U *OPENEXR* -U *OPENIMAGEIO* -U *LLVM* -U *CYCLES*"
  _buildargs="$_buildargs -U *OPENSUBDIV* -U *OPENVDB*  -U *BLOSC* -U *COLLADA* -U *FFMPEG* -U *ALEMBIC* -U *USD*"
  _buildargs="$_buildargs -U *EMBREE* -U *OPENIMAGEDENOISE* -U *OPENXR*"

@@ -5917,10 +5993,12 @@ print_info() {

  if [ "$FFMPEG_SKIP" = false ]; then
    _1="-D WITH_CODEC_FFMPEG=ON"
+    _2="-D FFMPEG_LIBRARIES='avformat;avcodec;avutil;avdevice;swscale;swresample;lzma;rt;`print_info_ffmpeglink`'"
    PRINT "  $_1"
-    _buildargs="$_buildargs $_1"
+    PRINT "  $_2"
+    _buildargs="$_buildargs $_1 $_2"
    if [ -d $INST/ffmpeg ]; then
-      _1="-D FFMPEG_ROOT_DIR=$INST/ffmpeg"
+      _1="-D FFMPEG=$INST/ffmpeg"
      PRINT "  $_1"
      _buildargs="$_buildargs $_1"
    fi
--- 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/build_environment/patches/nanovdb.diff
+++ b/build_files/build_environment/patches/nanovdb.diff
@@ -1,374 +0,0 @@
-Index: nanovdb/nanovdb/NanoVDB.h
-===================================================================
--- a/nanovdb/nanovdb/NanoVDB.h	(revision 62751)
-+++ b/nanovdb/nanovdb/NanoVDB.h	(working copy)
-@@ -152,8 +152,8 @@
- 
- #endif // __CUDACC_RTC__
- 
-#ifdef __CUDACC__
-// Only define __hostdev__ when using NVIDIA CUDA compiler
-+#if defined(__CUDACC__) || defined(__HIP__)
-+// Only define __hostdev__ when using NVIDIA CUDA or HIP compiler
- #define __hostdev__ __host__ __device__
- #else
- #define __hostdev__
-@@ -461,7 +461,7 @@
- /// Maximum floating-point values
- template<typename T>
- struct Maximum;
-#ifdef __CUDA_ARCH__
-+#if defined(__CUDA_ARCH__) || defined(__HIP__)
- template<>
- struct Maximum<int>
- {
-@@ -1006,10 +1006,10 @@
- using Vec3i = Vec3<int>;
- 
- /// @brief Return a single precision floating-point vector of this coordinate
-Vec3f Coord::asVec3s() const { return Vec3f(float(mVec[0]), float(mVec[1]), float(mVec[2])); }
-+inline __hostdev__ Vec3f Coord::asVec3s() const { return Vec3f(float(mVec[0]), float(mVec[1]), float(mVec[2])); }
- 
- /// @brief Return a double precision floating-point vector of this coordinate
-Vec3d Coord::asVec3d() const { return Vec3d(double(mVec[0]), double(mVec[1]), double(mVec[2])); }
-+inline __hostdev__ Vec3d Coord::asVec3d() const { return Vec3d(double(mVec[0]), double(mVec[1]), double(mVec[2])); }
- 
- // ----------------------------> Vec4 <--------------------------------------
- 
-@@ -1820,7 +1820,7 @@
- }; // Map
- 
- template<typename Mat4T>
-void Map::set(const Mat4T& mat, const Mat4T& invMat, double taper)
-+__hostdev__ void Map::set(const Mat4T& mat, const Mat4T& invMat, double taper)
- {
-     float * mf = mMatF, *vf = mVecF;
-     float*  mif = mInvMatF;
-@@ -2170,7 +2170,7 @@
- }; // Class Grid
- 
- template<typename TreeT>
-int Grid<TreeT>::findBlindDataForSemantic(GridBlindDataSemantic semantic) const
-+__hostdev__ int Grid<TreeT>::findBlindDataForSemantic(GridBlindDataSemantic semantic) const
- {
-     for (uint32_t i = 0, n = blindDataCount(); i < n; ++i)
-         if (blindMetaData(i).mSemantic == semantic)
-@@ -2328,7 +2328,7 @@
- }; // Tree class
- 
- template<typename RootT>
-void Tree<RootT>::extrema(ValueType& min, ValueType& max) const
-+__hostdev__ void Tree<RootT>::extrema(ValueType& min, ValueType& max) const
- {
-     min = this->root().valueMin();
-     max = this->root().valueMax();
-@@ -2336,7 +2336,7 @@
- 
- template<typename RootT>
- template<typename NodeT>
-const NodeT* Tree<RootT>::getNode(uint32_t i) const
-+__hostdev__ const NodeT* Tree<RootT>::getNode(uint32_t i) const
- {
-     static_assert(is_same<TreeNodeT<NodeT::LEVEL>, NodeT>::value, "Tree::getNode: unvalid node type");
-     NANOVDB_ASSERT(i < DataType::mCount[NodeT::LEVEL]);
-@@ -2345,7 +2345,7 @@
- 
- template<typename RootT>
- template<int LEVEL>
-const typename TreeNode<Tree<RootT>, LEVEL>::type* Tree<RootT>::getNode(uint32_t i) const
-+__hostdev__ const typename TreeNode<Tree<RootT>, LEVEL>::type* Tree<RootT>::getNode(uint32_t i) const
- {
-     NANOVDB_ASSERT(i < DataType::mCount[LEVEL]);
-     return reinterpret_cast<const TreeNodeT<LEVEL>*>(reinterpret_cast<const uint8_t*>(this) + DataType::mBytes[LEVEL]) + i;
-@@ -2353,7 +2353,7 @@
- 
- template<typename RootT>
- template<typename NodeT>
-NodeT* Tree<RootT>::getNode(uint32_t i)
-+__hostdev__ NodeT* Tree<RootT>::getNode(uint32_t i)
- {
-     static_assert(is_same<TreeNodeT<NodeT::LEVEL>, NodeT>::value, "Tree::getNode: invalid node type");
-     NANOVDB_ASSERT(i < DataType::mCount[NodeT::LEVEL]);
-@@ -2362,7 +2362,7 @@
- 
- template<typename RootT>
- template<int LEVEL>
-typename TreeNode<Tree<RootT>, LEVEL>::type* Tree<RootT>::getNode(uint32_t i)
-+__hostdev__ typename TreeNode<Tree<RootT>, LEVEL>::type* Tree<RootT>::getNode(uint32_t i)
- {
-     NANOVDB_ASSERT(i < DataType::mCount[LEVEL]);
-     return reinterpret_cast<TreeNodeT<LEVEL>*>(reinterpret_cast<uint8_t*>(this) + DataType::mBytes[LEVEL]) + i;
-@@ -2370,7 +2370,7 @@
- 
- template<typename RootT>
- template<typename NodeT>
-uint32_t Tree<RootT>::getNodeID(const NodeT& node) const
-+__hostdev__ uint32_t Tree<RootT>::getNodeID(const NodeT& node) const
- {
-     static_assert(is_same<TreeNodeT<NodeT::LEVEL>, NodeT>::value, "Tree::getNodeID: invalid node type");
-     const NodeT* first = reinterpret_cast<const NodeT*>(reinterpret_cast<const uint8_t*>(this) + DataType::mBytes[NodeT::LEVEL]);
-@@ -2380,7 +2380,7 @@
- 
- template<typename RootT>
- template<typename NodeT>
-uint32_t Tree<RootT>::getLinearOffset(const NodeT& node) const
-+__hostdev__ uint32_t Tree<RootT>::getLinearOffset(const NodeT& node) const
- {
-     return this->getNodeID(node) + DataType::mPFSum[NodeT::LEVEL];
- }
-@@ -3366,7 +3366,7 @@
- }; // LeafNode class
- 
- template<typename ValueT, typename CoordT, template<uint32_t> class MaskT, uint32_t LOG2DIM>
-inline void LeafNode<ValueT, CoordT, MaskT, LOG2DIM>::updateBBox()
-+inline __hostdev__ void LeafNode<ValueT, CoordT, MaskT, LOG2DIM>::updateBBox()
- {
-     static_assert(LOG2DIM == 3, "LeafNode::updateBBox: only supports LOGDIM = 3!");
-     if (!this->isActive()) return;
-Index: nanovdb/nanovdb/util/SampleFromVoxels.h
-===================================================================
--- a/nanovdb/nanovdb/util/SampleFromVoxels.h	(revision 62751)
-+++ b/nanovdb/nanovdb/util/SampleFromVoxels.h	(working copy)
-@@ -22,7 +22,7 @@
- #define NANOVDB_SAMPLE_FROM_VOXELS_H_HAS_BEEN_INCLUDED
- 
- // Only define __hostdev__ when compiling as NVIDIA CUDA
-#ifdef __CUDACC__
-+#if defined(__CUDACC__) || defined(__HIP__)
- #define __hostdev__ __host__ __device__
- #else
- #include <cmath> // for floor
-@@ -136,7 +136,7 @@
- 
- template<typename TreeOrAccT>
- template<typename Vec3T>
-typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 0, true>::operator()(const Vec3T& xyz) const
-+__hostdev__ typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 0, true>::operator()(const Vec3T& xyz) const
- {
-     const CoordT ijk = Round<CoordT>(xyz);
-     if (ijk != mPos) {
-@@ -147,7 +147,7 @@
- }
- 
- template<typename TreeOrAccT>
-typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 0, true>::operator()(const CoordT& ijk) const
-+__hostdev__ typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 0, true>::operator()(const CoordT& ijk) const
- {
-     if (ijk != mPos) {
-         mPos = ijk;
-@@ -158,7 +158,7 @@
- 
- template<typename TreeOrAccT>
- template<typename Vec3T>
-typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 0, false>::operator()(const Vec3T& xyz) const
-+__hostdev__ typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 0, false>::operator()(const Vec3T& xyz) const
- {
-     return mAcc.getValue(Round<CoordT>(xyz));
- }
-@@ -195,7 +195,7 @@
- }; // TrilinearSamplerBase
- 
- template<typename TreeOrAccT>
-void TrilinearSampler<TreeOrAccT>::stencil(CoordT& ijk, ValueT (&v)[2][2][2]) const
-+__hostdev__ void TrilinearSampler<TreeOrAccT>::stencil(CoordT& ijk, ValueT (&v)[2][2][2]) const
- {
-     v[0][0][0] = mAcc.getValue(ijk); // i, j, k
- 
-@@ -224,7 +224,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-typename TreeOrAccT::ValueType TrilinearSampler<TreeOrAccT>::sample(const Vec3T<RealT> &uvw, const ValueT (&v)[2][2][2])
-+__hostdev__ typename TreeOrAccT::ValueType TrilinearSampler<TreeOrAccT>::sample(const Vec3T<RealT> &uvw, const ValueT (&v)[2][2][2])
- {
- #if 0
-   auto lerp = [](ValueT a, ValueT b, ValueT w){ return fma(w, b-a, a); };// = w*(b-a) + a
-@@ -239,7 +239,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-Vec3T<typename TreeOrAccT::ValueType> TrilinearSampler<TreeOrAccT>::gradient(const Vec3T<RealT> &uvw, const ValueT (&v)[2][2][2])
-+__hostdev__ Vec3T<typename TreeOrAccT::ValueType> TrilinearSampler<TreeOrAccT>::gradient(const Vec3T<RealT> &uvw, const ValueT (&v)[2][2][2])
- {
-     static_assert(std::is_floating_point<ValueT>::value, "TrilinearSampler::gradient requires a floating-point type");
- #if 0
-@@ -270,7 +270,7 @@
- }
- 
- template<typename TreeOrAccT>
-bool TrilinearSampler<TreeOrAccT>::zeroCrossing(const ValueT (&v)[2][2][2])
-+__hostdev__ bool TrilinearSampler<TreeOrAccT>::zeroCrossing(const ValueT (&v)[2][2][2])
- {
-     static_assert(std::is_floating_point<ValueT>::value, "TrilinearSampler::zeroCrossing requires a floating-point type");
-     const bool less = v[0][0][0] < ValueT(0);
-@@ -363,7 +363,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 1, true>::operator()(Vec3T<RealT> xyz) const
-+__hostdev__ typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 1, true>::operator()(Vec3T<RealT> xyz) const
- {
-     this->cache(xyz);
-     return BaseT::sample(xyz, mVal);
-@@ -370,7 +370,7 @@
- }
- 
- template<typename TreeOrAccT>
-typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 1, true>::operator()(const CoordT &ijk) const
-+__hostdev__ typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 1, true>::operator()(const CoordT &ijk) const
- {
-     return  ijk == mPos ? mVal[0][0][0] : BaseT::mAcc.getValue(ijk);
- }
-@@ -377,7 +377,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-Vec3T<typename TreeOrAccT::ValueType> SampleFromVoxels<TreeOrAccT, 1, true>::gradient(Vec3T<RealT> xyz) const
-+__hostdev__ Vec3T<typename TreeOrAccT::ValueType> SampleFromVoxels<TreeOrAccT, 1, true>::gradient(Vec3T<RealT> xyz) const
- {
-     this->cache(xyz);
-     return BaseT::gradient(xyz, mVal);
-@@ -393,7 +393,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-void SampleFromVoxels<TreeOrAccT, 1, true>::cache(Vec3T<RealT>& xyz) const
-+__hostdev__ void SampleFromVoxels<TreeOrAccT, 1, true>::cache(Vec3T<RealT>& xyz) const
- {
-     CoordT ijk = Floor<CoordT>(xyz);
-     if (ijk != mPos) {
-@@ -406,7 +406,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 1, false>::operator()(Vec3T<RealT> xyz) const
-+__hostdev__ typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 1, false>::operator()(Vec3T<RealT> xyz) const
- {
-     ValueT val[2][2][2];
-     CoordT ijk = Floor<CoordT>(xyz);
-@@ -418,7 +418,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 1, false>::operator()(Vec3T<RealT> xyz) const
-+__hostdev__ typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 1, false>::operator()(Vec3T<RealT> xyz) const
- {
-     auto lerp = [](ValueT a, ValueT b, RealT w) { return a + ValueT(w) * (b - a); };
- 
-@@ -463,7 +463,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-inline Vec3T<typename TreeOrAccT::ValueType> SampleFromVoxels<TreeOrAccT, 1, false>::gradient(Vec3T<RealT> xyz) const
-+inline __hostdev__ Vec3T<typename TreeOrAccT::ValueType> SampleFromVoxels<TreeOrAccT, 1, false>::gradient(Vec3T<RealT> xyz) const
- {
-     ValueT val[2][2][2];
-     CoordT ijk = Floor<CoordT>(xyz);
-@@ -473,7 +473,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-bool SampleFromVoxels<TreeOrAccT, 1, false>::zeroCrossing(Vec3T<RealT> xyz) const
-+__hostdev__ bool SampleFromVoxels<TreeOrAccT, 1, false>::zeroCrossing(Vec3T<RealT> xyz) const
- {
-     ValueT val[2][2][2];
-     CoordT ijk = Floor<CoordT>(xyz);
-@@ -510,7 +510,7 @@
- }; // TriquadraticSamplerBase
- 
- template<typename TreeOrAccT>
-void TriquadraticSampler<TreeOrAccT>::stencil(const CoordT &ijk, ValueT (&v)[3][3][3]) const
-+__hostdev__ void TriquadraticSampler<TreeOrAccT>::stencil(const CoordT &ijk, ValueT (&v)[3][3][3]) const
- {
-     CoordT p(ijk[0] - 1, 0, 0);
-     for (int dx = 0; dx < 3; ++dx, ++p[0]) {
-@@ -526,7 +526,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-typename TreeOrAccT::ValueType TriquadraticSampler<TreeOrAccT>::sample(const Vec3T<RealT> &uvw, const ValueT (&v)[3][3][3])
-+__hostdev__ typename TreeOrAccT::ValueType TriquadraticSampler<TreeOrAccT>::sample(const Vec3T<RealT> &uvw, const ValueT (&v)[3][3][3])
- {
-     auto kernel = [](const ValueT* value, double weight)->ValueT {
-         return weight * (weight * (0.5f * (value[0] + value[2]) - value[1]) + 
-@@ -545,7 +545,7 @@
- }
- 
- template<typename TreeOrAccT>
-bool TriquadraticSampler<TreeOrAccT>::zeroCrossing(const ValueT (&v)[3][3][3])
-+__hostdev__ bool TriquadraticSampler<TreeOrAccT>::zeroCrossing(const ValueT (&v)[3][3][3])
- {
-     static_assert(std::is_floating_point<ValueT>::value, "TrilinearSampler::zeroCrossing requires a floating-point type");
-     const bool less = v[0][0][0] < ValueT(0);
-@@ -624,7 +624,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 2, true>::operator()(Vec3T<RealT> xyz) const
-+__hostdev__ typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 2, true>::operator()(Vec3T<RealT> xyz) const
- {
-     this->cache(xyz);
-     return BaseT::sample(xyz, mVal);
-@@ -631,7 +631,7 @@
- }
- 
- template<typename TreeOrAccT>
-typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 2, true>::operator()(const CoordT &ijk) const
-+__hostdev__ typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 2, true>::operator()(const CoordT &ijk) const
- {
-     return  ijk == mPos ? mVal[1][1][1] : BaseT::mAcc.getValue(ijk);
- }
-@@ -646,7 +646,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-void SampleFromVoxels<TreeOrAccT, 2, true>::cache(Vec3T<RealT>& xyz) const
-+__hostdev__ void SampleFromVoxels<TreeOrAccT, 2, true>::cache(Vec3T<RealT>& xyz) const
- {
-     CoordT ijk = Floor<CoordT>(xyz);
-     if (ijk != mPos) {
-@@ -657,7 +657,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 2, false>::operator()(Vec3T<RealT> xyz) const
-+__hostdev__ typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 2, false>::operator()(Vec3T<RealT> xyz) const
- {
-     ValueT val[3][3][3];
-     CoordT ijk = Floor<CoordT>(xyz);
-@@ -667,7 +667,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-bool SampleFromVoxels<TreeOrAccT, 2, false>::zeroCrossing(Vec3T<RealT> xyz) const
-+__hostdev__ bool SampleFromVoxels<TreeOrAccT, 2, false>::zeroCrossing(Vec3T<RealT> xyz) const
- {
-     ValueT val[3][3][3];
-     CoordT ijk = Floor<CoordT>(xyz);
-@@ -710,7 +710,7 @@
- }; // TricubicSampler
- 
- template<typename TreeOrAccT>
-void TricubicSampler<TreeOrAccT>::stencil(const CoordT& ijk, ValueT (&C)[64]) const
-+__hostdev__ void TricubicSampler<TreeOrAccT>::stencil(const CoordT& ijk, ValueT (&C)[64]) const
- {
-     auto fetch = [&](int i, int j, int k) -> ValueT& { return C[((i + 1) << 4) + ((j + 1) << 2) + k + 1]; };
- 
-@@ -929,7 +929,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 3, true>::operator()(Vec3T<RealT> xyz) const
-+__hostdev__ typename TreeOrAccT::ValueType SampleFromVoxels<TreeOrAccT, 3, true>::operator()(Vec3T<RealT> xyz) const
- {
-     this->cache(xyz);
-     return BaseT::sample(xyz, mC);
-@@ -937,7 +937,7 @@
- 
- template<typename TreeOrAccT>
- template<typename RealT, template<typename...> class Vec3T>
-void SampleFromVoxels<TreeOrAccT, 3, true>::cache(Vec3T<RealT>& xyz) const
-+__hostdev__ void SampleFromVoxels<TreeOrAccT, 3, true>::cache(Vec3T<RealT>& xyz) const
- {
-     CoordT ijk = Floor<CoordT>(xyz);
-     if (ijk != mPos) {
--- a/build_files/build_environment/patches/numpy.diff
+++ b/build_files/build_environment/patches/numpy.diff
@@ -0,0 +1,27 @@
+diff --git a/numpy/distutils/system_info.py b/numpy/distutils/system_info.py
+index ba2b1f4..b10f7df 100644
+--- a/numpy/distutils/system_info.py
+++ b/numpy/distutils/system_info.py
+@@ -2164,8 +2164,8 @@ class accelerate_info(system_info):
+                     'accelerate' in libraries):
+                 if intel:
+                     args.extend(['-msse3'])
+-                else:
+-                    args.extend(['-faltivec'])
+#                else:
+#                    args.extend(['-faltivec'])
+                 args.extend([
+                     '-I/System/Library/Frameworks/vecLib.framework/Headers'])
+                 link_args.extend(['-Wl,-framework', '-Wl,Accelerate'])
+@@ -2174,8 +2174,8 @@ class accelerate_info(system_info):
+                       'veclib' in libraries):
+                 if intel:
+                     args.extend(['-msse3'])
+-                else:
+-                    args.extend(['-faltivec'])
+#                else:
+#                    args.extend(['-faltivec'])
+                 args.extend([
+                     '-I/System/Library/Frameworks/vecLib.framework/Headers'])
+                 link_args.extend(['-Wl,-framework', '-Wl,vecLib'])
+
--- a/build_files/build_environment/patches/usd.diff
+++ b/build_files/build_environment/patches/usd.diff
@@ -197,38 +197,3 @@ index 67ec0d15f..6dc3e85a0 100644
 #else
 #error Unknown architecture.
 #endif
-
-diff --git a/pxr/base/arch/demangle.cpp b/pxr/base/arch/demangle.cpp
-index 67ec0d15f..6dc3e85a0 100644
--- a/pxr/base/arch/demangle.cpp
-+++ b/pxr/base/arch/demangle.cpp
-@@ -36,6 +36,7 @@
- #if (ARCH_COMPILER_GCC_MAJOR == 3 && ARCH_COMPILER_GCC_MINOR >= 1) || \
-     ARCH_COMPILER_GCC_MAJOR > 3 || defined(ARCH_COMPILER_CLANG)
- #define _AT_LEAST_GCC_THREE_ONE_OR_CLANG
-+#include <cxxabi.h>
- #endif
- 
- PXR_NAMESPACE_OPEN_SCOPE
-@@ -138,7 +139,6 @@
- #endif
- 
- #if defined(_AT_LEAST_GCC_THREE_ONE_OR_CLANG)
-#include <cxxabi.h>
- 
- /*
-  * This routine doesn't work when you get to gcc3.4.
-
-diff --git a/pxr/base/work/singularTask.h b/pxr/base/work/singularTask.h
-index 67ec0d15f..6dc3e85a0 100644
--- a/pxr/base/work/singularTask.h
-+++ b/pxr/base/work/singularTask.h
-@@ -120,7 +120,7 @@
-                     // case we go again to ensure the task can do whatever it
-                     // was awakened to do.  Once we successfully take the count
-                     // to zero, we stop.
-                    size_t old = count;
-+                    std::size_t old = count;
-                     do { _fn(); } while (
-                         !count.compare_exchange_strong(old, 0));
-                 });
--- a/build_files/build_environment/windows/build_deps.cmd
+++ b/build_files/build_environment/windows/build_deps.cmd
@@ -1,14 +1,21 @@
@echo off
 if NOT "%1" == "" (
-	if "%1" == "2017" (
-    echo "Building for VS2017"
-    set VSVER=15.0
-    set VSVER_SHORT=15
-    set BuildDir=VS15
+	if "%1" == "2013" (
+    echo "Building for VS2013"
+    set VSVER=12.0
+    set VSVER_SHORT=12
+    set BuildDir=VS12
    goto par2
  )
-	if "%1" == "2019" (
-    echo "Building for VS2019"
+	if "%1" == "2015" (
+    echo "Building for VS2015"
+    set VSVER=14.0
+    set VSVER_SHORT=14
+    set BuildDir=VS14
+    goto par2
+  )
+	if "%1" == "2017" (
+    echo "Building for VS2017"
    set VSVER=15.0
    set VSVER_SHORT=15
    set BuildDir=VS15
@@ -18,22 +25,40 @@ if NOT "%1" == "" (
 )
 :usage

-Echo Usage build_deps 2017/2019 x64
+Echo Usage build_deps 2013/2015/2017 x64/x86
 goto exit
 :par2
 if NOT "%2" == "" (
+	if "%2" == "x86" (
+    echo "Building for x86"
+    set HARVESTROOT=Windows_vc
+    set ARCH=86
+		if "%1" == "2013" (
+			set CMAKE_BUILDER=Visual Studio 12 2013
+		)
+		if "%1" == "2015" (
+			set CMAKE_BUILDER=Visual Studio 14 2015
+		)
+		if "%1" == "2017" (
+			set CMAKE_BUILDER=Visual Studio 15 2017
+		)
+		
+    goto start
+  )
 	if "%2" == "x64" (
    echo "Building for x64"
    set HARVESTROOT=Win64_vc
    set ARCH=64
-		if "%1" == "2019" (
-			set CMAKE_BUILDER=Visual Studio 16 2019
-			set CMAKE_BUILD_ARCH=-A x64
+		if "%1" == "2013" (
+			set CMAKE_BUILDER=Visual Studio 12 2013 Win64
+		)
+		if "%1" == "2015" (
+			set CMAKE_BUILDER=Visual Studio 14 2015 Win64
 		)
 		if "%1" == "2017" (
 			set CMAKE_BUILDER=Visual Studio 15 2017 Win64
-            set CMAKE_BUILD_ARCH=
 		)
+		
    goto start
  )
 )
@@ -54,9 +79,6 @@ set STAGING=%BUILD_DIR%\S
 rem for python module build
 set MSSdk=1 
 set DISTUTILS_USE_SDK=1  
-rem if you let pip pick its own build dirs, it'll stick it somewhere deep inside the user profile
-rem and cython will refuse to link due to a path that gets too long.
-set TMPDIR=c:\t\
 rem for python externals source to be shared between the various archs and compilers
 mkdir %BUILD_DIR%\downloads\externals

@@ -95,7 +117,7 @@ set path=%BUILD_DIR%\downloads\mingw\mingw64\msys\1.0\bin\;%BUILD_DIR%\downloads
 mkdir %STAGING%\%BuildDir%%ARCH%R
 cd %Staging%\%BuildDir%%ARCH%R
 echo %DATE% %TIME% : Start > %StatusFile%
-cmake -G "%CMAKE_BUILDER%" %CMAKE_BUILD_ARCH% -Thost=x64  %SOURCE_DIR% -DPACKAGE_DIR=%BUILD_DIR%/packages -DDOWNLOAD_DIR=%BUILD_DIR%/downloads -DBUILD_MODE=Release -DHARVEST_TARGET=%HARVEST_DIR%/%HARVESTROOT%%VSVER_SHORT%/
+cmake -G "%CMAKE_BUILDER%" -Thost=x64  %SOURCE_DIR% -DPACKAGE_DIR=%BUILD_DIR%/packages -DDOWNLOAD_DIR=%BUILD_DIR%/downloads -DBUILD_MODE=Release -DHARVEST_TARGET=%HARVEST_DIR%/%HARVESTROOT%%VSVER_SHORT%/
 echo %DATE% %TIME% : Release Configuration done >> %StatusFile%
 if "%dobuild%" == "1" (
 	msbuild /m "ll.vcxproj" /p:Configuration=Release /fl /flp:logfile=BlenderDeps_llvm.log;Verbosity=normal
@@ -108,7 +130,7 @@ if "%NODEBUG%" == "1" goto exit
 cd %BUILD_DIR%
 mkdir %STAGING%\%BuildDir%%ARCH%D
 cd %Staging%\%BuildDir%%ARCH%D
-cmake -G "%CMAKE_BUILDER%" %CMAKE_BUILD_ARCH% -Thost=x64 %SOURCE_DIR% -DPACKAGE_DIR=%BUILD_DIR%/packages -DDOWNLOAD_DIR=%BUILD_DIR%/downloads -DCMAKE_BUILD_TYPE=Debug -DBUILD_MODE=Debug -DHARVEST_TARGET=%HARVEST_DIR%/%HARVESTROOT%%VSVER_SHORT%/  %CMAKE_DEBUG_OPTIONS%
+cmake -G "%CMAKE_BUILDER%" -Thost=x64 %SOURCE_DIR% -DPACKAGE_DIR=%BUILD_DIR%/packages -DDOWNLOAD_DIR=%BUILD_DIR%/downloads -DCMAKE_BUILD_TYPE=Debug -DBUILD_MODE=Debug -DHARVEST_TARGET=%HARVEST_DIR%/%HARVESTROOT%%VSVER_SHORT%/  %CMAKE_DEBUG_OPTIONS%
 echo %DATE% %TIME% : Debug Configuration done >> %StatusFile%
 if "%dobuild%" == "1" (
 	msbuild /m "ll.vcxproj" /p:Configuration=Debug /fl /flp:logfile=BlenderDeps_llvm.log;;Verbosity=normal 
--- a/Show More
+++ b/Show More