From c41d3584fd25d61306c40ac37aff477b29f83e67 Mon Sep 17 00:00:00 2001
From: Tom Finegan <tomfinegan@google.com>
Date: Thu, 12 Jun 2014 20:44:44 -0700
Subject: [PATCH] Add VPX.framework built script.

Builds a framework for use on iOS targets.

Change-Id: I2e42d77d1d83e15dc7e84232255da26809ee31bb
---
 iosbuild.sh | 165 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 165 insertions(+)
 create mode 100755 iosbuild.sh

diff --git a/iosbuild.sh b/iosbuild.sh
new file mode 100755
index 0000000000..0092bf2027
--- /dev/null
+++ b/iosbuild.sh
@@ -0,0 +1,165 @@
+#!/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 "$0")
+LIPO=$(xcrun -sdk iphoneos${SDK} -find lipo)
+ORIG_PWD="$(pwd)"
+TARGETS="armv6-darwin-gcc
+         armv7-darwin-gcc
+         armv7s-darwin-gcc
+         x86-iphonesimulator-gcc
+         x86_64-iphonesimulator-gcc"
+
+# This variable is set to the last dist dir used with make dist, and reused when
+# populating the framework directory to get the path to the most recent
+# includes.
+TARGET_DIST_DIR=""
+
+# List of library files passed to lipo.
+LIBS=""
+
+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}***"
+}
+
+build_targets() {
+  local targets="$1"
+  local target
+
+  # Clean up from previous build(s).
+  rm -rf "${BUILD_ROOT}" "${FRAMEWORK_DIR}"
+
+  # Create output dirs.
+  mkdir -p "${BUILD_ROOT}"
+  mkdir -p "${HEADER_DIR}"
+
+  cd "${BUILD_ROOT}"
+
+  for target in ${targets}; do
+    build_target "${target}"
+    TARGET_DIST_DIR="${BUILD_ROOT}/${target}/${DIST_DIR}"
+    LIBS="${LIBS} ${TARGET_DIST_DIR}/lib/libvpx.a"
+  done
+
+  cd "${ORIG_PWD}"
+}
+
+cleanup() {
+  cd "${ORIG_PWD}"
+
+  if [ "${PRESERVE_BUILD_OUTPUT}" != "yes" ]; then
+    rm -rf "${BUILD_ROOT}"
+  fi
+}
+
+iosbuild_usage() {
+cat << EOF
+  Usage: ${0##*/} [arguments]
+    --help: Display this message and exit.
+    --jobs: Number of make jobs.
+    --preserve-build-output: Do not delete the build directory.
+    --show-build-output: Show output from each library build.
+    --verbose: Output information about the environment and each stage of the
+               build.
+EOF
+}
+
+vlog() {
+  if [ "${VERBOSE}" = "yes" ]; then
+    echo "$@"
+  fi
+}
+
+trap cleanup EXIT
+
+# Parse the command line.
+while [ -n "$1" ]; do
+  case "$1" in
+    --help)
+      iosbuild_usage
+      exit
+      ;;
+    --jobs)
+      MAKE_JOBS="$2"
+      shift
+      ;;
+    --preserve-build-output)
+      PRESERVE_BUILD_OUTPUT=yes
+      ;;
+    --show-build-output)
+      devnull=
+      ;;
+    --verbose)
+      VERBOSE=yes
+      ;;
+    *)
+      iosbuild_usage
+      exit 1
+      ;;
+  esac
+  shift
+done
+
+if [ "${VERBOSE}" = "yes" ]; then
+cat << EOF
+  BUILD_ROOT=${BUILD_ROOT}
+  DIST_DIR=${DIST_DIR}
+  FRAMEWORK_DIR=${FRAMEWORK_DIR}
+  HEADER_DIR=${HEADER_DIR}
+  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_targets "${TARGETS}"
+
+# Includes are identical for all platforms, and according to dist target
+# behavior vpx_config.h and vpx_version.h aren't actually necessary for user
+# apps built with libvpx. So, just copy the includes from the last target built.
+# TODO(tomfinegan): The above is a lame excuse. Build common config/version
+# includes that use the preprocessor to include the correct file.
+cp -p "${TARGET_DIST_DIR}"/include/vpx/* "${HEADER_DIR}"
+${LIPO} -create ${LIBS} -output ${FRAMEWORK_DIR}/VPX
+
+vlog "Created fat library ${FRAMEWORK_DIR}/VPX containing:"
+for lib in ${LIBS}; do
+  vlog "  $(echo ${lib} | awk -F / '{print $2, $NF}')"
+done
-- 
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