Update aom to v1.0.0

Update aom to commit id d14c5bb4f336ef1842046089849dee4a301fbbf0.

18 files changed, 350 insertions, 255 deletions

diff --git a/third_party/aom/build/cmake/toolchains/arm-ios-common.cmake b/third_party/aom/build/cmake/toolchains/arm-ios-common.cmake
index 8929f3b1d..8f4095145 100644
--- a/third_party/aom/build/cmake/toolchains/arm-ios-common.cmake
+++ b/third_party/aom/build/cmake/toolchains/arm-ios-common.cmake
@@ -1,14 +1,16 @@
-##
-## 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 (NOT AOM_BUILD_CMAKE_TOOLCHAINS_ARM_IOS_COMMON_CMAKE_)
+#
+# 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")
@@ -18,14 +20,7 @@ set(CMAKE_C_COMPILER_ARG1 "-arch ${CMAKE_SYSTEM_PROCESSOR}")
 set(CMAKE_CXX_COMPILER clang++)
 set(CMAKE_CXX_COMPILER_ARG1 "-arch ${CMAKE_SYSTEM_PROCESSOR}")
 
-# Assembler sources must be converted for ARM iOS targets.
-set(AOM_ADS2GAS_REQUIRED 1)
-set(AOM_ADS2GAS "${CMAKE_CURRENT_SOURCE_DIR}/build/make/ads2gas_apple.pl")
-set(AOM_GAS_EXT "S")
-
 # No runtime cpu detect for arm*-ios targets.
 set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "")
 
 # TODO(tomfinegan): Handle bit code embedding.
-
-endif ()  # AOM_BUILD_CMAKE_TOOLCHAINS_ARM_IOS_COMMON_CMAKE_
diff --git a/third_party/aom/build/cmake/toolchains/arm64-ios.cmake b/third_party/aom/build/cmake/toolchains/arm64-ios.cmake
index 434809db9..6feb1090f 100644
--- a/third_party/aom/build/cmake/toolchains/arm64-ios.cmake
+++ b/third_party/aom/build/cmake/toolchains/arm64-ios.cmake
@@ -1,24 +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 (NOT AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_IOS_CMAKE_)
+#
+# 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.
+if(XCODE) # TODO(tomfinegan): Handle arm builds in Xcode.
   message(FATAL_ERROR "This toolchain does not support Xcode.")
-endif ()
+endif()
 
 set(CMAKE_SYSTEM_PROCESSOR "arm64")
 set(CMAKE_OSX_ARCHITECTURES "arm64")
 
 include("${CMAKE_CURRENT_LIST_DIR}/arm-ios-common.cmake")
-
-endif ()  # AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_IOS_CMAKE_
diff --git a/third_party/aom/build/cmake/toolchains/arm64-linux-gcc.cmake b/third_party/aom/build/cmake/toolchains/arm64-linux-gcc.cmake
index 303f1cf9a..590a97a8e 100644
--- a/third_party/aom/build/cmake/toolchains/arm64-linux-gcc.cmake
+++ b/third_party/aom/build/cmake/toolchains/arm64-linux-gcc.cmake
@@ -1,22 +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 (NOT AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_LINUX_GCC_CMAKE_)
+#
+# 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 ("${CROSS}" STREQUAL "")
+if("${CROSS}" STREQUAL "")
+
   # Default the cross compiler prefix to something known to work.
   set(CROSS aarch64-linux-gnu-)
-endif ()
+endif()
 
 set(CMAKE_C_COMPILER ${CROSS}gcc)
 set(CMAKE_CXX_COMPILER ${CROSS}g++)
@@ -31,5 +34,3 @@ set(AOM_NEON_INTRIN_FLAG "")
 
 # No runtime cpu detect for arm64-linux-gcc.
 set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "")
-
-endif ()  # AOM_BUILD_CMAKE_TOOLCHAINS_ARM64_LINUX_GCC_CMAKE_
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 000000000..b5b2ff1cd
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/arm64-mingw-gcc.cmake
@@ -0,0 +1,32 @@
+#
+# 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 "")
+  set(CROSS aarch64-w64-mingw32-)
+endif()
+
+set(CMAKE_C_COMPILER ${CROSS}gcc)
+set(CMAKE_CXX_COMPILER ${CROSS}g++)
+set(CMAKE_AR ${CROSS}ar CACHE FILEPATH Archiver)
+set(CMAKE_RANLIB ${CROSS}ranlib CACHE FILEPATH Indexer)
+
+# No runtime cpu detect for arm64-mingw-gcc.
+set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "")
+
+# Disable the use of the gtest's CMake support.
+set(AOM_DISABLE_GTEST_CMAKE 1)
diff --git a/third_party/aom/build/cmake/toolchains/armv7-ios.cmake b/third_party/aom/build/cmake/toolchains/armv7-ios.cmake
index c1e72ce3d..32a1b534a 100644
--- a/third_party/aom/build/cmake/toolchains/armv7-ios.cmake
+++ b/third_party/aom/build/cmake/toolchains/armv7-ios.cmake
@@ -1,20 +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 (NOT AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_IOS_CMAKE_)
+#
+# 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)
+if(XCODE)
+
   # TODO(tomfinegan): Handle arm builds in Xcode.
   message(FATAL_ERROR "This toolchain does not support Xcode.")
-endif ()
+endif()
 
 set(CMAKE_SYSTEM_PROCESSOR "armv7")
 set(CMAKE_OSX_ARCHITECTURES "armv7")
@@ -26,5 +29,3 @@ set(AOM_NEON_INTRIN_FLAG "")
 
 # No runtime cpu detect for armv7s-ios.
 set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "")
-
-endif ()  # AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_IOS_CMAKE_
diff --git a/third_party/aom/build/cmake/toolchains/armv7-linux-gcc.cmake b/third_party/aom/build/cmake/toolchains/armv7-linux-gcc.cmake
index 13a737784..7d3d63085 100644
--- a/third_party/aom/build/cmake/toolchains/armv7-linux-gcc.cmake
+++ b/third_party/aom/build/cmake/toolchains/armv7-linux-gcc.cmake
@@ -1,26 +1,29 @@
-##
-## 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 (NOT AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_LINUX_GCC_CMAKE_)
+#
+# 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 ("${CROSS}" STREQUAL "")
+if("${CROSS}" STREQUAL "")
+
   # Default the cross compiler prefix to something known to work.
   set(CROSS arm-linux-gnueabihf-)
-endif ()
+endif()
 
-if (NOT ${CROSS} MATCHES hf-$)
+if(NOT ${CROSS} MATCHES hf-$)
   set(AOM_EXTRA_TOOLCHAIN_FLAGS "-mfloat-abi=softfp")
-endif ()
+endif()
 
 set(CMAKE_C_COMPILER ${CROSS}gcc)
 set(CMAKE_CXX_COMPILER ${CROSS}g++)
@@ -29,20 +32,12 @@ set(CMAKE_C_COMPILER_ARG1
     "-march=armv7-a -mfpu=neon ${AOM_EXTRA_TOOLCHAIN_FLAGS}")
 set(CMAKE_CXX_COMPILER_ARG1
     "-march=armv7-a -mfpu=neon ${AOM_EXTRA_TOOLCHAIN_FLAGS}")
-set(AOM_AS_FLAGS
-    --defsym ARCHITECTURE=7 -march=armv7-a -mfpu=neon
+set(AOM_AS_FLAGS --defsym ARCHITECTURE=7 -march=armv7-a -mfpu=neon
     ${AOM_EXTRA_TOOLCHAIN_FLAGS})
 set(CMAKE_SYSTEM_PROCESSOR "armv7")
 
 # No intrinsics flag required for armv7-linux-gcc.
 set(AOM_NEON_INTRIN_FLAG "")
 
-# Assembler sources must be converted for armv7-linux-gcc targets.
-set(AOM_ADS2GAS_REQUIRED 1)
-set(AOM_ADS2GAS "${CMAKE_CURRENT_SOURCE_DIR}/build/make/ads2gas.pl")
-set(AOM_GAS_EXT "S")
-
 # No runtime cpu detect for armv7-linux-gcc.
 set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "")
-
-endif ()  # AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_LINUX_GCC_CMAKE_
diff --git a/third_party/aom/build/cmake/toolchains/armv7-mingw-gcc.cmake b/third_party/aom/build/cmake/toolchains/armv7-mingw-gcc.cmake
new file mode 100644
index 000000000..cf06a11b3
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/armv7-mingw-gcc.cmake
@@ -0,0 +1,32 @@
+#
+# Copyright (c) 2018, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_MINGW_GCC_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_MINGW_GCC_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7_MINGW_GCC_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_PROCESSOR "armv7")
+set(CMAKE_SYSTEM_NAME "Windows")
+
+if("${CROSS}" STREQUAL "")
+  set(CROSS armv7-w64-mingw32-)
+endif()
+
+set(CMAKE_C_COMPILER ${CROSS}gcc)
+set(CMAKE_CXX_COMPILER ${CROSS}g++)
+set(CMAKE_AR ${CROSS}ar CACHE FILEPATH Archiver)
+set(CMAKE_RANLIB ${CROSS}ranlib CACHE FILEPATH Indexer)
+
+# No runtime cpu detect for armv7-mingw-gcc.
+set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "")
+
+# Disable the use of the gtest's CMake support.
+set(AOM_DISABLE_GTEST_CMAKE 1)
diff --git a/third_party/aom/build/cmake/toolchains/armv7s-ios.cmake b/third_party/aom/build/cmake/toolchains/armv7s-ios.cmake
index bdb627c78..0940a6ee8 100644
--- a/third_party/aom/build/cmake/toolchains/armv7s-ios.cmake
+++ b/third_party/aom/build/cmake/toolchains/armv7s-ios.cmake
@@ -1,20 +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 (NOT AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7S_IOS_CMAKE_)
+#
+# 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)
+if(XCODE)
+
   # TODO(tomfinegan): Handle arm builds in Xcode.
   message(FATAL_ERROR "This toolchain does not support Xcode.")
-endif ()
+endif()
 
 set(CMAKE_SYSTEM_PROCESSOR "armv7s")
 set(CMAKE_OSX_ARCHITECTURES "armv7s")
@@ -26,5 +29,3 @@ set(AOM_NEON_INTRIN_FLAG "")
 
 # No runtime cpu detect for armv7s-ios.
 set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "")
-
-endif ()  # AOM_BUILD_CMAKE_TOOLCHAINS_ARMV7S_IOS_CMAKE_
diff --git a/third_party/aom/build/cmake/toolchains/ios-simulator-common.cmake b/third_party/aom/build/cmake/toolchains/ios-simulator-common.cmake
index 7a28e329c..76e0bd140 100644
--- a/third_party/aom/build/cmake/toolchains/ios-simulator-common.cmake
+++ b/third_party/aom/build/cmake/toolchains/ios-simulator-common.cmake
@@ -1,14 +1,16 @@
-##
-## 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 (NOT AOM_BUILD_CMAKE_TOOLCHAINS_IOS_SIMULATOR_COMMON_CMAKE_)
+#
+# 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")
@@ -19,5 +21,3 @@ set(CMAKE_CXX_COMPILER clang++)
 set(CMAKE_CXX_COMPILER_ARG1 "-arch ${CMAKE_SYSTEM_PROCESSOR}")
 
 # TODO(tomfinegan): Handle bit code embedding.
-
-endif ()  # AOM_BUILD_CMAKE_TOOLCHAINS_IOS_SIMULATOR_COMMON_CMAKE_
diff --git a/third_party/aom/build/cmake/toolchains/mips32-linux-gcc.cmake b/third_party/aom/build/cmake/toolchains/mips32-linux-gcc.cmake
index b452e368f..0f93490b1 100644
--- a/third_party/aom/build/cmake/toolchains/mips32-linux-gcc.cmake
+++ b/third_party/aom/build/cmake/toolchains/mips32-linux-gcc.cmake
@@ -1,62 +1,66 @@
-##
-## 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 (NOT AOM_BUILD_CMAKE_TOOLCHAINS_MIPS32_LINUX_GCC_CMAKE_)
+#
+# 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_MIPS32_LINUX_GCC_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_MIPS32_LINUX_GCC_CMAKE_
 set(AOM_BUILD_CMAKE_TOOLCHAINS_MIPS32_LINUX_GCC_CMAKE_ 1)
 
 set(CMAKE_SYSTEM_NAME "Linux")
 
-if (ENABLE_DSPR2 AND ENABLE_MSA)
+if(ENABLE_DSPR2 AND ENABLE_MSA)
   message(FATAL_ERROR "ENABLE_DSPR2 and ENABLE_MSA cannot be combined.")
-endif ()
+endif()
 
-if (ENABLE_DSPR2)
+if(ENABLE_DSPR2)
   set(HAVE_DSPR2 1 CACHE BOOL "" FORCE)
 
-  if ("${CROSS}" STREQUAL "")
+  if("${CROSS}" STREQUAL "")
+
     # Default the cross compiler prefix to something known to work.
     set(CROSS mips-linux-gnu-)
-  endif ()
+  endif()
 
   set(MIPS_CFLAGS "-mdspr2")
   set(MIPS_CXXFLAGS "-mdspr2")
-elseif (ENABLE_MSA)
+elseif(ENABLE_MSA)
   set(HAVE_MSA 1 CACHE BOOL "" FORCE)
 
-  if ("${CROSS}" STREQUAL "")
+  if("${CROSS}" STREQUAL "")
+
     # Default the cross compiler prefix to something known to work.
     set(CROSS mips-mti-linux-gnu-)
-  endif ()
+  endif()
 
   set(MIPS_CFLAGS "-mmsa")
   set(MIPS_CXXFLAGS "-mmsa")
-endif ()
+endif()
 
-if ("${CROSS}" STREQUAL "")
-  # TODO(tomfinegan): Make it possible to turn this off. The $CROSS prefix
-  # won't be desired on a mips host.
-  # Default cross compiler prefix to something that might work for an
-  # unoptimized build.
+if("${CROSS}" STREQUAL "")
+
+  # TODO(tomfinegan): Make it possible to turn this off. The $CROSS prefix won't
+  # be desired on a mips host.  Default cross compiler prefix to something that
+  # might work for an  unoptimized build.
   set(CROSS mips-linux-gnu-)
-endif ()
+endif()
 
-if ("${MIPS_CPU}" STREQUAL "")
+if("${MIPS_CPU}" STREQUAL "")
   set(MIPS_CFLAGS "${MIPS_CFLAGS} -mips32r2")
   set(MIPS_CXXFLAGS "${MIPS_CXXFLAGS} -mips32r2")
-elseif ("${MIPS_CPU}" STREQUAL "p5600")
+elseif("${MIPS_CPU}" STREQUAL "p5600")
   set(P56_FLAGS
       "-mips32r5 -mload-store-pairs -msched-weight -mhard-float -mfp64")
   set(MIPS_CFLAGS "${MIPS_CFLAGS} ${P56_FLAGS}")
   set(MIPS_CXXFLAGS "${MIPS_CXXFLAGS} ${P56_FLAGS}")
   set(CMAKE_EXE_LINKER_FLAGS "-mfp64 ${CMAKE_EXE_LINKER_FLAGS}")
-endif ()
+endif()
 
 set(CMAKE_C_COMPILER ${CROSS}gcc)
 set(CMAKE_CXX_COMPILER ${CROSS}g++)
@@ -66,10 +70,8 @@ set(CMAKE_CXX_COMPILER_ARG1 "-EL ${MIPS_CXXFLAGS}")
 set(CMAKE_SYSTEM_PROCESSOR "mips32")
 
 # No runtime cpu detect for mips32-linux-gcc.
-if (CONFIG_RUNTIME_CPU_DETECT)
+if(CONFIG_RUNTIME_CPU_DETECT)
   message("--- CONFIG_RUNTIME_CPU_DETECT not supported for mips32 targets.")
-endif ()
+endif()
 
 set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "" FORCE)
-
-endif ()  # AOM_BUILD_CMAKE_TOOLCHAINS_MIPS32_LINUX_GCC_CMAKE_
diff --git a/third_party/aom/build/cmake/toolchains/mips64-linux-gcc.cmake b/third_party/aom/build/cmake/toolchains/mips64-linux-gcc.cmake
index 0b63d778d..ad9aab09d 100644
--- a/third_party/aom/build/cmake/toolchains/mips64-linux-gcc.cmake
+++ b/third_party/aom/build/cmake/toolchains/mips64-linux-gcc.cmake
@@ -1,39 +1,43 @@
-##
-## 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 (NOT AOM_BUILD_CMAKE_TOOLCHAINS_MIPS64_LINUX_GCC_CMAKE_)
+#
+# 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_MIPS64_LINUX_GCC_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_MIPS64_LINUX_GCC_CMAKE_
 set(AOM_BUILD_CMAKE_TOOLCHAINS_MIPS64_LINUX_GCC_CMAKE_ 1)
 
 set(CMAKE_SYSTEM_NAME "Linux")
 
-if ("${CROSS}" STREQUAL "")
-  # TODO(tomfinegan): Make it possible to turn this off. The $CROSS prefix
-  # won't be desired on a mips host.
+if("${CROSS}" STREQUAL "")
+
+  # TODO(tomfinegan): Make it possible to turn this off. The $CROSS prefix won't
+  # be desired on a mips host.
+  #
   # Default the cross compiler prefix to something known to work.
   set(CROSS mips-img-linux-gnu-)
-endif ()
+endif()
 
-if (ENABLE_MSA)
+if(ENABLE_MSA)
   set(HAVE_MSA 1 CACHE BOOL "" FORCE)
   set(MIPS_CFLAGS "-mmsa")
   set(MIPS_CXXFLAGS "-mmsa")
-endif ()
+endif()
 
-if ("${MIPS_CPU}" STREQUAL "i6400" OR "${MIPS_CPU}" STREQUAL "p6600")
+if("${MIPS_CPU}" STREQUAL "i6400" OR "${MIPS_CPU}" STREQUAL "p6600")
   set(MIPS_CPU_FLAGS "-mips64r6 -mabi=64 -mload-store-pairs -msched-weight")
   set(MIPS_CPU_FLAGS "${MIPS_CPU_FLAGS} -mhard-float -mfp64")
   set(MIPS_CFLAGS "${MIPS_CFLAGS} ${MIPS_CPU_FLAGS}")
   set(MIPS_CXXFLAGS "${MIPS_CXXFLAGS} ${MIPS_CPU_FLAGS}")
   set(CMAKE_EXE_LINKER_FLAGS
       "-mips64r6 -mabi64 -mfp64 ${CMAKE_EXE_LINKER_FLAGS}")
-endif ()
+endif()
 
 set(CMAKE_C_COMPILER ${CROSS}gcc)
 set(CMAKE_CXX_COMPILER ${CROSS}g++)
@@ -43,10 +47,8 @@ set(CMAKE_CXX_COMPILER_ARG1 "-EL ${MIPS_CXXFLAGS}")
 set(CMAKE_SYSTEM_PROCESSOR "mips64")
 
 # No runtime cpu detect for mips64-linux-gcc.
-if (CONFIG_RUNTIME_CPU_DETECT)
+if(CONFIG_RUNTIME_CPU_DETECT)
   message("--- CONFIG_RUNTIME_CPU_DETECT not supported for mips64 targets.")
-endif ()
+endif()
 
 set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "" FORCE)
-
-endif ()  # AOM_BUILD_CMAKE_TOOLCHAINS_MIPS64_LINUX_GCC_CMAKE_
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 000000000..c86cc27e3
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/ppc-linux-gcc.cmake
@@ -0,0 +1,29 @@
+#
+# 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 something known to work.
+  set(CROSS powerpc64le-unknown-linux-gnu-)
+endif()
+
+set(CMAKE_C_COMPILER ${CROSS}gcc)
+set(CMAKE_CXX_COMPILER ${CROSS}g++)
+set(AS_EXECUTABLE ${CROSS}as)
+set(CMAKE_SYSTEM_PROCESSOR "ppc")
+
+set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "")
diff --git a/third_party/aom/build/cmake/toolchains/x86-ios-simulator.cmake b/third_party/aom/build/cmake/toolchains/x86-ios-simulator.cmake
index 295156c3d..6b6f52cac 100644
--- a/third_party/aom/build/cmake/toolchains/x86-ios-simulator.cmake
+++ b/third_party/aom/build/cmake/toolchains/x86-ios-simulator.cmake
@@ -1,20 +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 (NOT AOM_BUILD_CMAKE_TOOLCHAINS_X86_IOS_SIMULATOR_CMAKE_)
+#
+# 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)
+if(XCODE)
+
   # TODO(tomfinegan): Handle ios sim builds in Xcode.
   message(FATAL_ERROR "This toolchain does not support Xcode.")
-endif ()
+endif()
 
 set(CMAKE_SYSTEM_PROCESSOR "i386")
 set(CMAKE_OSX_ARCHITECTURES "i386")
@@ -23,5 +26,3 @@ set(CMAKE_OSX_ARCHITECTURES "i386")
 set(CONFIG_PIC 1 CACHE NUMBER "")
 
 include("${CMAKE_CURRENT_LIST_DIR}/ios-simulator-common.cmake")
-
-endif ()  # AOM_BUILD_CMAKE_TOOLCHAINS_X86_IOS_SIMULATOR_CMAKE_
diff --git a/third_party/aom/build/cmake/toolchains/x86-linux.cmake b/third_party/aom/build/cmake/toolchains/x86-linux.cmake
index 42cc61467..c2a700bfe 100644
--- a/third_party/aom/build/cmake/toolchains/x86-linux.cmake
+++ b/third_party/aom/build/cmake/toolchains/x86-linux.cmake
@@ -1,19 +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.
-##
-if (NOT AOM_BUILD_CMAKE_TOOLCHAINS_X86_LINUX_CMAKE_)
+#
+# 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_COMPILER_ARG1 "-m32")
 set(CMAKE_CXX_COMPILER_ARG1 "-m32")
-
-endif ()  # AOM_BUILD_CMAKE_TOOLCHAINS_X86_LINUX_CMAKE_
diff --git a/third_party/aom/build/cmake/toolchains/x86-macos.cmake b/third_party/aom/build/cmake/toolchains/x86-macos.cmake
index c9cab3d5b..7a46e06a9 100644
--- a/third_party/aom/build/cmake/toolchains/x86-macos.cmake
+++ b/third_party/aom/build/cmake/toolchains/x86-macos.cmake
@@ -1,13 +1,13 @@
-##
-## 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.
-##
+#
+# 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")
diff --git a/third_party/aom/build/cmake/toolchains/x86-mingw-gcc.cmake b/third_party/aom/build/cmake/toolchains/x86-mingw-gcc.cmake
index bdd3fa539..c986c4ee3 100644
--- a/third_party/aom/build/cmake/toolchains/x86-mingw-gcc.cmake
+++ b/third_party/aom/build/cmake/toolchains/x86-mingw-gcc.cmake
@@ -1,14 +1,16 @@
-##
-## 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 (NOT AOM_BUILD_CMAKE_TOOLCHAINS_X86_MINGW_GCC_CMAKE_)
+#
+# 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")
@@ -16,14 +18,14 @@ set(CMAKE_SYSTEM_NAME "Windows")
 set(CMAKE_C_COMPILER_ARG1 "-m32")
 set(CMAKE_CXX_COMPILER_ARG1 "-m32")
 
-if ("${CROSS}" STREQUAL "")
+if("${CROSS}" STREQUAL "")
   set(CROSS i686-w64-mingw32-)
-endif ()
+endif()
 
 set(CMAKE_C_COMPILER ${CROSS}gcc)
 set(CMAKE_CXX_COMPILER ${CROSS}g++)
+set(CMAKE_AR ${CROSS}ar CACHE FILEPATH Archiver)
+set(CMAKE_RANLIB ${CROSS}ranlib CACHE FILEPATH Indexer)
 
 # Disable the use of the gtest's CMake support.
 set(AOM_DISABLE_GTEST_CMAKE 1)
-
-endif ()  # AOM_BUILD_CMAKE_TOOLCHAINS_X86_MINGW_GCC_CMAKE_
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
index 884540a9d..d4b40ed09 100644
--- a/third_party/aom/build/cmake/toolchains/x86_64-ios-simulator.cmake
+++ b/third_party/aom/build/cmake/toolchains/x86_64-ios-simulator.cmake
@@ -1,24 +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 (NOT AOM_BUILD_CMAKE_TOOLCHAINS_X86_64_IOS_SIMULATOR_CMAKE_)
+#
+# 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)
+if(XCODE)
+
   # TODO(tomfinegan): Handle ios sim builds in Xcode.
   message(FATAL_ERROR "This toolchain does not support Xcode.")
-endif ()
+endif()
 
 set(CMAKE_SYSTEM_PROCESSOR "x86_64")
 set(CMAKE_OSX_ARCHITECTURES "x86_64")
 
 include("${CMAKE_CURRENT_LIST_DIR}/ios-simulator-common.cmake")
-
-endif ()  # AOM_BUILD_CMAKE_TOOLCHAINS_X86_64_IOS_SIMULATOR_CMAKE_
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
index be94332b4..00d94d5f1 100644
--- a/third_party/aom/build/cmake/toolchains/x86_64-mingw-gcc.cmake
+++ b/third_party/aom/build/cmake/toolchains/x86_64-mingw-gcc.cmake
@@ -1,27 +1,29 @@
-##
-## 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 (NOT AOM_BUILD_CMAKE_TOOLCHAINS_X86_64_MINGW_GCC_CMAKE_)
+#
+# 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 ("${CROSS}" STREQUAL "")
+if("${CROSS}" STREQUAL "")
   set(CROSS x86_64-w64-mingw32-)
-endif ()
+endif()
 
 set(CMAKE_C_COMPILER ${CROSS}gcc)
 set(CMAKE_CXX_COMPILER ${CROSS}g++)
+set(CMAKE_AR ${CROSS}ar CACHE FILEPATH Archiver)
+set(CMAKE_RANLIB ${CROSS}ranlib CACHE FILEPATH Indexer)
 
 # Disable the use of the gtest's CMake support.
 set(AOM_DISABLE_GTEST_CMAKE 1)
-
-endif ()  # AOM_BUILD_CMAKE_TOOLCHAINS_X86_64_MINGW_GCC_CMAKE_