Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

22 files changed, 684 insertions, 0 deletions

diff --git a/third_party/aom/build/cmake/toolchains/android.cmake b/third_party/aom/build/cmake/toolchains/android.cmake
new file mode 100644
index 0000000000..fb086856a7
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/android.cmake
@@ -0,0 +1,53 @@
+#
+# Copyright (c) 2019, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_ANDROID_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_ANDROID_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_ANDROID_CMAKE_ 1)
+
+if(NOT ANDROID_PLATFORM)
+  set(ANDROID_PLATFORM android-24)
+endif()
+
+# Choose target architecture with:
+#
+# -DANDROID_ABI={armeabi-v7a,armeabi-v7a with NEON,arm64-v8a,x86,x86_64}
+if(NOT ANDROID_ABI)
+  set(ANDROID_ABI arm64-v8a)
+endif()
+
+# Toolchain files don't have access to cached variables:
+# https://gitlab.kitware.com/cmake/cmake/issues/16170. Set an intermediate
+# environment variable when loaded the first time.
+if(AOM_ANDROID_NDK_PATH)
+  set(ENV{_AOM_ANDROID_NDK_PATH} "${AOM_ANDROID_NDK_PATH}")
+else()
+  set(AOM_ANDROID_NDK_PATH "$ENV{_AOM_ANDROID_NDK_PATH}")
+endif()
+
+if("${AOM_ANDROID_NDK_PATH}" STREQUAL "")
+  message(FATAL_ERROR "AOM_ANDROID_NDK_PATH not set.")
+  return()
+endif()
+
+include("${AOM_ANDROID_NDK_PATH}/build/cmake/android.toolchain.cmake")
+
+if(ANDROID_ABI MATCHES "^armeabi")
+  set(AOM_NEON_INTRIN_FLAG "-mfpu=neon")
+endif()
+
+if(ANDROID_ABI MATCHES "^arm")
+  set(CMAKE_ASM_COMPILER as)
+elseif(ANDROID_ABI MATCHES "^x86")
+  set(CMAKE_ASM_NASM_COMPILER yasm)
+endif()
+
+set(CMAKE_SYSTEM_NAME "Android")
diff --git a/third_party/aom/build/cmake/toolchains/arm-ios-common.cmake b/third_party/aom/build/cmake/toolchains/arm-ios-common.cmake
new file mode 100644
index 0000000000..2c433befd9
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/arm-ios-common.cmake
@@ -0,0 +1,24 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_ARM_IOS_COMMON_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_ARM_IOS_COMMON_CMAKE_
+set(AOM_BUILD_CMAKE_ARM_IOS_COMMON_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_NAME "Darwin")
+set(CMAKE_OSX_SYSROOT iphoneos)
+set(CMAKE_C_COMPILER clang)
+set(CMAKE_C_FLAGS_INIT "-arch ${CMAKE_SYSTEM_PROCESSOR}")
+set(CMAKE_CXX_COMPILER clang++)
+set(CMAKE_CXX_FLAGS_INIT "-arch ${CMAKE_SYSTEM_PROCESSOR}")
+set(CMAKE_EXE_LINKER_FLAGS_INIT "-arch ${CMAKE_SYSTEM_PROCESSOR}")
+
+# TODO(tomfinegan): Handle bit code embedding.
diff --git a/third_party/aom/build/cmake/toolchains/arm64-ios.cmake b/third_party/aom/build/cmake/toolchains/arm64-ios.cmake
new file mode 100644
index 0000000000..6feb1090f2
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/arm64-ios.cmake
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_IOS_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_IOS_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_IOS_CMAKE_ 1)
+
+if(XCODE) # TODO(tomfinegan): Handle arm builds in Xcode.
+  message(FATAL_ERROR "This toolchain does not support Xcode.")
+endif()
+
+set(CMAKE_SYSTEM_PROCESSOR "arm64")
+set(CMAKE_OSX_ARCHITECTURES "arm64")
+
+include("${CMAKE_CURRENT_LIST_DIR}/arm-ios-common.cmake")
diff --git a/third_party/aom/build/cmake/toolchains/arm64-linux-clang.cmake b/third_party/aom/build/cmake/toolchains/arm64-linux-clang.cmake
new file mode 100644
index 0000000000..b4645cc09e
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/arm64-linux-clang.cmake
@@ -0,0 +1,30 @@
+#
+# Copyright (c) 2023, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+
+if(AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_LINUX_CLANG_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_LINUX_CLANG_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_LINUX_CLANG_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_NAME "Linux")
+
+set(TRIPLE aarch64-linux-gnu)
+
+set(CMAKE_C_COMPILER clang)
+set(CMAKE_C_COMPILER_TARGET ${TRIPLE})
+
+set(CMAKE_CXX_COMPILER clang++)
+set(CMAKE_CXX_COMPILER_TARGET ${TRIPLE})
+
+set(CMAKE_ASM_COMPILER clang)
+set(CMAKE_ASM_COMPILER_TARGET ${TRIPLE})
+
+set(CMAKE_SYSTEM_PROCESSOR "arm64")
diff --git a/third_party/aom/build/cmake/toolchains/arm64-linux-gcc.cmake b/third_party/aom/build/cmake/toolchains/arm64-linux-gcc.cmake
new file mode 100644
index 0000000000..3d0dff0252
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/arm64-linux-gcc.cmake
@@ -0,0 +1,40 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_LINUX_GCC_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_LINUX_GCC_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_LINUX_GCC_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_NAME "Linux")
+
+if("${CROSS}" STREQUAL "")
+
+  # Default the cross compiler prefix to one used by Debian and other package
+  # management systems.
+  set(CROSS aarch64-linux-gnu-)
+endif()
+
+if(NOT CMAKE_C_COMPILER)
+  set(CMAKE_C_COMPILER ${CROSS}gcc)
+endif()
+if(NOT CMAKE_CXX_COMPILER)
+  set(CMAKE_CXX_COMPILER ${CROSS}g++)
+endif()
+if(NOT CMAKE_ASM_COMPILER)
+  set(CMAKE_ASM_COMPILER ${CROSS}as)
+endif()
+set(CMAKE_C_FLAGS_INIT "-march=armv8-a")
+set(CMAKE_CXX_FLAGS_INIT "-march=armv8-a")
+set(AOM_AS_FLAGS "-march=armv8-a")
+set(CMAKE_SYSTEM_PROCESSOR "arm64")
+
+# No intrinsics flag required for arm64-linux-gcc.
+set(AOM_NEON_INTRIN_FLAG "")
diff --git a/third_party/aom/build/cmake/toolchains/arm64-macos.cmake b/third_party/aom/build/cmake/toolchains/arm64-macos.cmake
new file mode 100644
index 0000000000..99f8d16e16
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/arm64-macos.cmake
@@ -0,0 +1,16 @@
+#
+# Copyright (c) 2022, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+set(CMAKE_SYSTEM_PROCESSOR "arm64")
+set(CMAKE_SYSTEM_NAME "Darwin")
+set(CMAKE_OSX_ARCHITECTURES "arm64")
+set(CMAKE_C_FLAGS_INIT "-arch arm64")
+set(CMAKE_CXX_FLAGS_INIT "-arch arm64")
+set(CMAKE_EXE_LINKER_FLAGS_INIT "-arch arm64")
diff --git a/third_party/aom/build/cmake/toolchains/arm64-mingw-gcc.cmake b/third_party/aom/build/cmake/toolchains/arm64-mingw-gcc.cmake
new file mode 100644
index 0000000000..95b26d3ceb
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/arm64-mingw-gcc.cmake
@@ -0,0 +1,36 @@
+#
+# Copyright (c) 2018, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_MINGW_GCC_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_MINGW_GCC_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_MINGW_GCC_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_PROCESSOR "arm64")
+set(CMAKE_SYSTEM_NAME "Windows")
+
+if("${CROSS}" STREQUAL "")
+
+  # Default the cross compiler prefix to one used by MSYS2.
+  set(CROSS aarch64-w64-mingw32-)
+endif()
+
+if(NOT CMAKE_C_COMPILER)
+  set(CMAKE_C_COMPILER ${CROSS}gcc)
+endif()
+if(NOT CMAKE_CXX_COMPILER)
+  set(CMAKE_CXX_COMPILER ${CROSS}g++)
+endif()
+if(NOT CMAKE_AR)
+  set(CMAKE_AR ${CROSS}ar CACHE FILEPATH Archiver)
+endif()
+if(NOT CMAKE_RANLIB)
+  set(CMAKE_RANLIB ${CROSS}ranlib CACHE FILEPATH Indexer)
+endif()
diff --git a/third_party/aom/build/cmake/toolchains/armv7-ios.cmake b/third_party/aom/build/cmake/toolchains/armv7-ios.cmake
new file mode 100644
index 0000000000..11f7e160df
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/armv7-ios.cmake
@@ -0,0 +1,31 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_IOS_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_IOS_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_IOS_CMAKE_ 1)
+
+if(XCODE)
+
+  # TODO(tomfinegan): Handle arm builds in Xcode.
+  message(FATAL_ERROR "This toolchain does not support Xcode.")
+endif()
+
+set(CMAKE_SYSTEM_PROCESSOR "armv7")
+set(CMAKE_OSX_ARCHITECTURES "armv7")
+
+include("${CMAKE_CURRENT_LIST_DIR}/arm-ios-common.cmake")
+
+# No intrinsics flag required for armv7s-ios.
+set(AOM_NEON_INTRIN_FLAG "")
+
+# No runtime cpu detect for armv7s-ios.
+set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE STRING "")
diff --git a/third_party/aom/build/cmake/toolchains/armv7-linux-gcc.cmake b/third_party/aom/build/cmake/toolchains/armv7-linux-gcc.cmake
new file mode 100644
index 0000000000..aa0550574d
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/armv7-linux-gcc.cmake
@@ -0,0 +1,46 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_LINUX_GCC_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_LINUX_GCC_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_LINUX_GCC_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_NAME "Linux")
+
+if("${CROSS}" STREQUAL "")
+
+  # Default the cross compiler prefix to one used by Debian and other package
+  # management systems.
+  set(CROSS arm-linux-gnueabihf-)
+endif()
+
+if(NOT ${CROSS} MATCHES hf-$)
+  set(AOM_EXTRA_TOOLCHAIN_FLAGS "-mfloat-abi=softfp")
+endif()
+
+if(NOT CMAKE_C_COMPILER)
+  set(CMAKE_C_COMPILER ${CROSS}gcc)
+endif()
+if(NOT CMAKE_CXX_COMPILER)
+  set(CMAKE_CXX_COMPILER ${CROSS}g++)
+endif()
+if(NOT CMAKE_ASM_COMPILER)
+  set(CMAKE_ASM_COMPILER ${CROSS}as)
+endif()
+set(CMAKE_C_FLAGS_INIT "-march=armv7-a -mfpu=vfpv3 \
+                          ${AOM_EXTRA_TOOLCHAIN_FLAGS}")
+set(CMAKE_CXX_FLAGS_INIT "-march=armv7-a -mfpu=vfpv3 \
+                            ${AOM_EXTRA_TOOLCHAIN_FLAGS}")
+set(AOM_AS_FLAGS --defsym ARCHITECTURE=7 -march=armv7-a -mfpu=neon
+                 ${AOM_EXTRA_TOOLCHAIN_FLAGS})
+set(CMAKE_SYSTEM_PROCESSOR "armv7")
+
+set(AOM_NEON_INTRIN_FLAG "-mfpu=neon ${AOM_EXTRA_TOOLCHAIN_FLAGS}")
diff --git a/third_party/aom/build/cmake/toolchains/armv7-mingw-gcc.cmake b/third_party/aom/build/cmake/toolchains/armv7-mingw-gcc.cmake
new file mode 100644
index 0000000000..93f8c065c9
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/armv7-mingw-gcc.cmake
@@ -0,0 +1,39 @@
+#
+# Copyright (c) 2018, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_MINGW_GCC_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_MINGW_GCC_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_MINGW_GCC_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_PROCESSOR "armv7")
+set(CMAKE_SYSTEM_NAME "Windows")
+
+if("${CROSS}" STREQUAL "")
+
+  # Default the cross compiler prefix to one used by MSYS2.
+  set(CROSS armv7-w64-mingw32-)
+endif()
+
+if(NOT CMAKE_C_COMPILER)
+  set(CMAKE_C_COMPILER ${CROSS}gcc)
+endif()
+if(NOT CMAKE_CXX_COMPILER)
+  set(CMAKE_CXX_COMPILER ${CROSS}g++)
+endif()
+if(NOT CMAKE_AR)
+  set(CMAKE_AR ${CROSS}ar CACHE FILEPATH Archiver)
+endif()
+if(NOT CMAKE_RANLIB)
+  set(CMAKE_RANLIB ${CROSS}ranlib CACHE FILEPATH Indexer)
+endif()
+
+# No runtime cpu detect for armv7-mingw-gcc.
+set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE STRING "")
diff --git a/third_party/aom/build/cmake/toolchains/armv7s-ios.cmake b/third_party/aom/build/cmake/toolchains/armv7s-ios.cmake
new file mode 100644
index 0000000000..faa2933cf0
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/armv7s-ios.cmake
@@ -0,0 +1,31 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7S_IOS_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7S_IOS_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7S_IOS_CMAKE_ 1)
+
+if(XCODE)
+
+  # TODO(tomfinegan): Handle arm builds in Xcode.
+  message(FATAL_ERROR "This toolchain does not support Xcode.")
+endif()
+
+set(CMAKE_SYSTEM_PROCESSOR "armv7s")
+set(CMAKE_OSX_ARCHITECTURES "armv7s")
+
+include("${CMAKE_CURRENT_LIST_DIR}/arm-ios-common.cmake")
+
+# No intrinsics flag required for armv7s-ios.
+set(AOM_NEON_INTRIN_FLAG "")
+
+# No runtime cpu detect for armv7s-ios.
+set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE STRING "")
diff --git a/third_party/aom/build/cmake/toolchains/i686-linux-gcc.cmake b/third_party/aom/build/cmake/toolchains/i686-linux-gcc.cmake
new file mode 100644
index 0000000000..c4f6ab9465
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/i686-linux-gcc.cmake
@@ -0,0 +1,34 @@
+#
+# Copyright (c) 2023, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_I686_LINUX_GCC_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_I686_LINUX_GCC_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_I686_LINUX_GCC_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_NAME "Linux")
+set(CMAKE_SYSTEM_PROCESSOR "x86")
+
+if("${CROSS}" STREQUAL "")
+
+  # Default the cross compiler prefix to one used by Debian and other package
+  # management systems.
+  set(CROSS i686-linux-gnu-)
+endif()
+
+if(NOT CMAKE_C_COMPILER)
+  set(CMAKE_C_COMPILER ${CROSS}gcc)
+endif()
+if(NOT CMAKE_CXX_COMPILER)
+  set(CMAKE_CXX_COMPILER ${CROSS}g++)
+endif()
+if(NOT CMAKE_ASM_COMPILER)
+  set(CMAKE_ASM_COMPILER ${CROSS}as)
+endif()
diff --git a/third_party/aom/build/cmake/toolchains/ios-simulator-common.cmake b/third_party/aom/build/cmake/toolchains/ios-simulator-common.cmake
new file mode 100644
index 0000000000..173c423c3d
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/ios-simulator-common.cmake
@@ -0,0 +1,24 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_IOS_SIMULATOR_COMMON_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_IOS_SIMULATOR_COMMON_CMAKE_
+set(AOM_BUILD_CMAKE_IOS_SIMULATOR_COMMON_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_NAME "Darwin")
+set(CMAKE_OSX_SYSROOT iphonesimulator)
+set(CMAKE_C_COMPILER clang)
+set(CMAKE_C_FLAGS_INIT "-arch ${CMAKE_SYSTEM_PROCESSOR}")
+set(CMAKE_CXX_COMPILER clang++)
+set(CMAKE_CXX_FLAGS_INIT "-arch ${CMAKE_SYSTEM_PROCESSOR}")
+set(CMAKE_EXE_LINKER_FLAGS_INIT "-arch ${CMAKE_SYSTEM_PROCESSOR}")
+
+# TODO(tomfinegan): Handle bit code embedding.
diff --git a/third_party/aom/build/cmake/toolchains/ppc-linux-gcc.cmake b/third_party/aom/build/cmake/toolchains/ppc-linux-gcc.cmake
new file mode 100644
index 0000000000..3aa265254e
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/ppc-linux-gcc.cmake
@@ -0,0 +1,36 @@
+#
+# Copyright (c) 2018, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_PPC_LINUX_GCC_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_PPC_LINUX_GCC_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_PPC_LINUX_GCC_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_NAME "Linux")
+
+if("${CROSS}" STREQUAL "")
+
+  # Default the cross compiler prefix to one used by Debian and other package
+  # management systems.
+  set(CROSS powerpc64le-linux-gnu-)
+endif()
+
+if(NOT CMAKE_C_COMPILER)
+  set(CMAKE_C_COMPILER ${CROSS}gcc)
+endif()
+if(NOT CMAKE_CXX_COMPILER)
+  set(CMAKE_CXX_COMPILER ${CROSS}g++)
+endif()
+if(NOT CMAKE_ASM_COMPILER)
+  set(CMAKE_ASM_COMPILER ${CROSS}as)
+endif()
+set(CMAKE_SYSTEM_PROCESSOR "ppc")
+
+set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE STRING "")
diff --git a/third_party/aom/build/cmake/toolchains/riscv-linux-gcc.cmake b/third_party/aom/build/cmake/toolchains/riscv-linux-gcc.cmake
new file mode 100644
index 0000000000..4133be68b3
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/riscv-linux-gcc.cmake
@@ -0,0 +1,36 @@
+#
+# Copyright (c) 2022, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_RISCV_LINUX_GCC_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_RISCV_LINUX_GCC_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_RISCV_LINUX_GCC_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_NAME "Linux")
+
+if("${CROSS}" STREQUAL "")
+
+  # Default the cross compiler prefix to one used by Debian and other package
+  # management systems.
+  set(CROSS riscv64-linux-gnu-)
+endif()
+
+if(NOT CMAKE_C_COMPILER)
+  set(CMAKE_C_COMPILER ${CROSS}gcc)
+endif()
+if(NOT CMAKE_CXX_COMPILER)
+  set(CMAKE_CXX_COMPILER ${CROSS}g++)
+endif()
+if(NOT CMAKE_ASM_COMPILER)
+  set(CMAKE_ASM_COMPILER ${CROSS}as)
+endif()
+set(CMAKE_SYSTEM_PROCESSOR "riscv")
+
+set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE STRING "")
diff --git a/third_party/aom/build/cmake/toolchains/x86-ios-simulator.cmake b/third_party/aom/build/cmake/toolchains/x86-ios-simulator.cmake
new file mode 100644
index 0000000000..caacb8c38b
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/x86-ios-simulator.cmake
@@ -0,0 +1,28 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_X86_IOS_SIMULATOR_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_X86_IOS_SIMULATOR_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_X86_IOS_SIMULATOR_CMAKE_ 1)
+
+if(XCODE)
+
+  # TODO(tomfinegan): Handle ios sim builds in Xcode.
+  message(FATAL_ERROR "This toolchain does not support Xcode.")
+endif()
+
+set(CMAKE_SYSTEM_PROCESSOR "i386")
+set(CMAKE_OSX_ARCHITECTURES "i386")
+
+# Avoid noisy PIC/PIE warnings.
+set(CONFIG_PIC 1 CACHE STRING "")
+
+include("${CMAKE_CURRENT_LIST_DIR}/ios-simulator-common.cmake")
diff --git a/third_party/aom/build/cmake/toolchains/x86-linux.cmake b/third_party/aom/build/cmake/toolchains/x86-linux.cmake
new file mode 100644
index 0000000000..a9c4f8c6b4
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/x86-linux.cmake
@@ -0,0 +1,20 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_X86_LINUX_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_X86_LINUX_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_X86_LINUX_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_PROCESSOR "x86")
+set(CMAKE_SYSTEM_NAME "Linux")
+set(CMAKE_C_FLAGS_INIT "-m32")
+set(CMAKE_CXX_FLAGS_INIT "-m32")
+set(CMAKE_EXE_LINKER_FLAGS_INIT "-m32")
diff --git a/third_party/aom/build/cmake/toolchains/x86-macos.cmake b/third_party/aom/build/cmake/toolchains/x86-macos.cmake
new file mode 100644
index 0000000000..68e1bb07ff
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/x86-macos.cmake
@@ -0,0 +1,19 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+set(CMAKE_SYSTEM_PROCESSOR "x86")
+set(CMAKE_SYSTEM_NAME "Darwin")
+set(CMAKE_OSX_ARCHITECTURES "i386")
+set(CMAKE_C_FLAGS_INIT "-arch i386")
+set(CMAKE_CXX_FLAGS_INIT "-arch i386")
+set(CMAKE_EXE_LINKER_FLAGS_INIT "-arch i386")
+
+# Apple tools always complain in 32 bit mode without PIC.
+set(CONFIG_PIC 1 CACHE STRING "")
diff --git a/third_party/aom/build/cmake/toolchains/x86-mingw-gcc.cmake b/third_party/aom/build/cmake/toolchains/x86-mingw-gcc.cmake
new file mode 100644
index 0000000000..2208333f37
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/x86-mingw-gcc.cmake
@@ -0,0 +1,40 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_X86_MINGW_GCC_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_X86_MINGW_GCC_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_X86_MINGW_GCC_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_PROCESSOR "x86")
+set(CMAKE_SYSTEM_NAME "Windows")
+set(CMAKE_C_FLAGS_INIT "-m32")
+set(CMAKE_CXX_FLAGS_INIT "-m32")
+set(CMAKE_EXE_LINKER_FLAGS_INIT "-m32")
+
+if("${CROSS}" STREQUAL "")
+
+  # Default the cross compiler prefix to one used by Debian and other package
+  # management systems.
+  set(CROSS i686-w64-mingw32-)
+endif()
+
+if(NOT CMAKE_C_COMPILER)
+  set(CMAKE_C_COMPILER ${CROSS}gcc)
+endif()
+if(NOT CMAKE_CXX_COMPILER)
+  set(CMAKE_CXX_COMPILER ${CROSS}g++)
+endif()
+if(NOT CMAKE_AR)
+  set(CMAKE_AR ${CROSS}ar CACHE FILEPATH Archiver)
+endif()
+if(NOT CMAKE_RANLIB)
+  set(CMAKE_RANLIB ${CROSS}ranlib CACHE FILEPATH Indexer)
+endif()
diff --git a/third_party/aom/build/cmake/toolchains/x86_64-ios-simulator.cmake b/third_party/aom/build/cmake/toolchains/x86_64-ios-simulator.cmake
new file mode 100644
index 0000000000..d4b40ed098
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/x86_64-ios-simulator.cmake
@@ -0,0 +1,25 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_X86_64_IOS_SIMULATOR_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_X86_64_IOS_SIMULATOR_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_X86_64_IOS_SIMULATOR_CMAKE_ 1)
+
+if(XCODE)
+
+  # TODO(tomfinegan): Handle ios sim builds in Xcode.
+  message(FATAL_ERROR "This toolchain does not support Xcode.")
+endif()
+
+set(CMAKE_SYSTEM_PROCESSOR "x86_64")
+set(CMAKE_OSX_ARCHITECTURES "x86_64")
+
+include("${CMAKE_CURRENT_LIST_DIR}/ios-simulator-common.cmake")
diff --git a/third_party/aom/build/cmake/toolchains/x86_64-macos.cmake b/third_party/aom/build/cmake/toolchains/x86_64-macos.cmake
new file mode 100644
index 0000000000..899df6f353
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/x86_64-macos.cmake
@@ -0,0 +1,16 @@
+#
+# Copyright (c) 2022, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+set(CMAKE_SYSTEM_PROCESSOR "x86_64")
+set(CMAKE_SYSTEM_NAME "Darwin")
+set(CMAKE_OSX_ARCHITECTURES "x86_64")
+set(CMAKE_C_FLAGS_INIT "-arch x86_64")
+set(CMAKE_CXX_FLAGS_INIT "-arch x86_64")
+set(CMAKE_EXE_LINKER_FLAGS_INIT "-arch x86_64")
diff --git a/third_party/aom/build/cmake/toolchains/x86_64-mingw-gcc.cmake b/third_party/aom/build/cmake/toolchains/x86_64-mingw-gcc.cmake
new file mode 100644
index 0000000000..978146a4f2
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/x86_64-mingw-gcc.cmake
@@ -0,0 +1,37 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_X86_64_MINGW_GCC_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_X86_64_MINGW_GCC_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_X86_64_MINGW_GCC_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_PROCESSOR "x86_64")
+set(CMAKE_SYSTEM_NAME "Windows")
+
+if("${CROSS}" STREQUAL "")
+
+  # Default the cross compiler prefix to one used by Debian and other package
+  # management systems.
+  set(CROSS x86_64-w64-mingw32-)
+endif()
+
+if(NOT CMAKE_C_COMPILER)
+  set(CMAKE_C_COMPILER ${CROSS}gcc)
+endif()
+if(NOT CMAKE_CXX_COMPILER)
+  set(CMAKE_CXX_COMPILER ${CROSS}g++)
+endif()
+if(NOT CMAKE_AR)
+  set(CMAKE_AR ${CROSS}ar CACHE FILEPATH Archiver)
+endif()
+if(NOT CMAKE_RANLIB)
+  set(CMAKE_RANLIB ${CROSS}ranlib CACHE FILEPATH Indexer)
+endif()