libvpx: Pull from upstream

source/libvpx/build/make/iosbuild.sh

 #!/bin/sh
 ##
 ##  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
 ##
 ##  Use of this source code is governed by a BSD-style license
 ##  that can be found in the LICENSE file in the root of the source
 ##  tree. An additional intellectual property rights grant can be found
 ##  in the file PATENTS.  All contributing project authors may
 ##  be found in the AUTHORS file in the root of the source tree.
 ##
 ##
 ## This script generates 'VPX.framework'. An iOS app can encode and decode VPx
 ## video by including 'VPX.framework'.
 ##
 ## Run iosbuild.sh to create 'VPX.framework' in the current directory.
 ##
 set -e
 devnull='> /dev/null 2>&1'
 
 BUILD_ROOT="_iosbuild"
 DIST_DIR="_dist"
 FRAMEWORK_DIR="VPX.framework"
 HEADER_DIR="${FRAMEWORK_DIR}/Headers/vpx"
 MAKE_JOBS=1
 LIBVPX_SOURCE_DIR=$(dirname "$0" | sed -e s,/build/make,,)
 LIPO=$(xcrun -sdk iphoneos${SDK} -find lipo)
 ORIG_PWD="$(pwd)"
-TARGETS="armv6-darwin-gcc
+TARGETS="arm64-darwin-gcc
+         armv6-darwin-gcc
          armv7-darwin-gcc
          armv7s-darwin-gcc
          x86-iphonesimulator-gcc
          x86_64-iphonesimulator-gcc"
 
 # Configures for the target specified by $1, and invokes make with the dist
 # target using $DIST_DIR as the distribution output directory.
 build_target() {
   local target="$1"
   local old_pwd="$(pwd)"
 
   vlog "***Building target: ${target}***"
 
   mkdir "${target}"
   cd "${target}"
   eval "../../${LIBVPX_SOURCE_DIR}/configure" --target="${target}" \
       --disable-docs ${devnull}
   export DIST_DIR
   eval make -j ${MAKE_JOBS} dist ${devnull}
   cd "${old_pwd}"
 
   vlog "***Done building target: ${target}***"
 }
 
 # Returns the preprocessor symbol for the target specified by $1.
 target_to_preproc_symbol() {
   target="$1"
   case "${target}" in
+    arm64-*)
+      echo "__aarch64__"
+      ;;
     armv6-*)
       echo "__ARM_ARCH_6__"
       ;;
     armv7-*)
       echo "__ARM_ARCH_7__"
       ;;
     armv7s-*)
       echo "__ARM_ARCH_7S__"
       ;;
     x86-*)
@@ skipping 168 matching lines @@
   MAKE_JOBS=${MAKE_JOBS}
   PRESERVE_BUILD_OUTPUT=${PRESERVE_BUILD_OUTPUT}
   LIBVPX_SOURCE_DIR=${LIBVPX_SOURCE_DIR}
   LIPO=${LIPO}
   ORIG_PWD=${ORIG_PWD}
   TARGETS="${TARGETS}"
 EOF
 fi
 
 build_framework "${TARGETS}"