270 lines
8.6 KiB
Bash
270 lines
8.6 KiB
Bash
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#!/bin/bash
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# Copyright 2015 The WebRTC project authors. All Rights Reserved.
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#
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# Use of this source code is governed by a BSD-style license
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# that can be found in the LICENSE file in the root of the source
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# tree. An additional intellectual property rights grant can be found
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# in the file PATENTS. All contributing project authors may
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# be found in the AUTHORS file in the root of the source tree.
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# Generates static or dynamic FAT libraries for ios in out_ios_libs.
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# Exit on errors.
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set -e
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# Globals.
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SCRIPT_DIR=$(cd $(dirname $0) && pwd)
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WEBRTC_BASE_DIR=${SCRIPT_DIR}/../../..
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GYP_WEBRTC_SCRIPT=${WEBRTC_BASE_DIR}/webrtc/build/gyp_webrtc.py
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MERGE_SCRIPT=${SCRIPT_DIR}/merge_ios_libs.py
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LICENSE_SCRIPT=${SCRIPT_DIR}/generate_licenses.py
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function check_preconditions {
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# Check for Darwin.
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if [[ ! $(uname) = "Darwin" ]]; then
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echo "OS/X required." >&2
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exit 1
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fi
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# Check for libtool.
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if [[ -z $(which libtool) ]]; then
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echo "Missing libtool binary." >&2
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exit 1
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fi
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# Check for GYP generator.
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if [[ ! -x ${GYP_WEBRTC_SCRIPT} ]]; then
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echo "Failed to find gyp generator." >&2
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exit 1
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fi
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# Check for merge script.
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if [[ ! -x ${MERGE_SCRIPT} ]]; then
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echo "Failed to find library merging script." >&2
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exit 1
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fi
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}
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function build_webrtc {
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local base_output_dir=$1
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local flavor=$2
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local target_arch=$3
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local build_type=$4
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local ninja_output_dir=${base_output_dir}/${target_arch}_ninja
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local library_output_dir=${base_output_dir}/${target_arch}_libs
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if [[ ${target_arch} = 'arm' || ${target_arch} = 'arm64' ]]; then
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flavor="${flavor}-iphoneos"
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else
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flavor="${flavor}-iphonesimulator"
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fi
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local ninja_flavor_dir=${ninja_output_dir}/${flavor}
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# Compile framework by default.
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local gyp_file=webrtc/sdk/sdk.gyp
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local gyp_target=rtc_sdk_framework_objc
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# Set to 1 to explicitly not hide symbols. We'll want this if we're just
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# generating static libs.
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local override_visibility=0
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if [[ ${build_type} = "legacy" ]]; then
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echo "Building legacy."
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gyp_file=webrtc/build/ios/merge_ios_libs.gyp
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gyp_target=libjingle_peerconnection_objc_no_op
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override_visibility=1
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elif [[ ${build_type} = "static_only" ]]; then
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echo "Building static only."
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gyp_file=webrtc/build/ios/merge_ios_libs.gyp
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gyp_target=rtc_sdk_peerconnection_objc_no_op
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override_visibility=1
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elif [[ ${build_type} == "framework" ]]; then
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echo "Building framework."
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else
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echo "Unexpected build type: ${build_type}"
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exit 1
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fi
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export GYP_DEFINES="OS=ios target_arch=${target_arch} use_objc_h264=1 \
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clang_xcode=1 ios_deployment_target=8.0 \
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ios_override_visibility=${override_visibility}"
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export GYP_GENERATORS="ninja"
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export GYP_GENERATOR_FLAGS="output_dir=${ninja_output_dir}"
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# GYP generation requires relative path for some reason.
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pushd ${WEBRTC_BASE_DIR}
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webrtc/build/gyp_webrtc.py ${gyp_file}
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popd
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# Compile the target we're interested in.
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ninja -C ${ninja_flavor_dir} ${gyp_target}
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if [[ ${build_type} = "framework" ]]; then
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# Manually generate the dSYM files before stripping them. GYP does not seem
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# to instruct ninja to generate dSYM files.
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dsymutil --out=${ninja_flavor_dir}/WebRTC.framework.dSYM \
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${ninja_flavor_dir}/WebRTC.framework/WebRTC
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fi
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# Make links to the generated static archives.
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mkdir -p ${library_output_dir}
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for f in ${ninja_flavor_dir}/*.a
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do
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ln -sf "${f}" "${library_output_dir}/$(basename ${f})"
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done
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}
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function clean_artifacts {
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local output_dir=$1
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if [[ -d ${output_dir} ]]; then
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rm -r ${output_dir}
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fi
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}
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function usage {
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echo "WebRTC iOS FAT libraries build script."
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echo "Each architecture is compiled separately before being merged together."
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echo "By default, the fat libraries will be created in out_ios_libs/fat_libs."
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echo "The headers will be copied to out_ios_libs/include."
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echo "Usage: $0 [-h] [-b build_type] [-c] [-o output_dir]"
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echo " -h Print this help."
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echo " -b The build type. Can be framework, static_only or legacy."
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echo " Defaults to framework."
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echo " -c Removes generated build output."
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echo " -o Specifies a directory to output build artifacts to."
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echo " If specified together with -c, deletes the dir."
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echo " -r Specifies a revision number to embed if building the framework."
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exit 0
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}
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check_preconditions
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# Set default arguments.
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# Output directory for build artifacts.
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OUTPUT_DIR=${WEBRTC_BASE_DIR}/out_ios_libs
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# The type of build to perform. Valid arguments are framework, static_only and
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# legacy.
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BUILD_TYPE="framework"
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PERFORM_CLEAN=0
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FLAVOR="Profile"
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POINT_VERSION="0"
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# Parse arguments.
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while getopts "hb:co:r:" opt; do
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case "${opt}" in
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h) usage;;
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b) BUILD_TYPE="${OPTARG}";;
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c) PERFORM_CLEAN=1;;
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o) OUTPUT_DIR="${OPTARG}";;
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r) POINT_VERSION="${OPTARG}";;
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*)
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usage
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exit 1
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;;
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esac
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done
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if [[ ${PERFORM_CLEAN} -ne 0 ]]; then
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clean_artifacts ${OUTPUT_DIR}
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exit 0
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fi
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# Build all the common architectures.
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ARCHS=( "arm" "arm64" "ia32" "x64" )
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for ARCH in "${ARCHS[@]}"
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do
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echo "Building WebRTC arch: ${ARCH}"
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build_webrtc ${OUTPUT_DIR} ${FLAVOR} $ARCH ${BUILD_TYPE}
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done
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ARM_NINJA_DIR=${OUTPUT_DIR}/arm_ninja/${FLAVOR}-iphoneos
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ARM64_NINJA_DIR=${OUTPUT_DIR}/arm64_ninja/${FLAVOR}-iphoneos
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IA32_NINJA_DIR=${OUTPUT_DIR}/ia32_ninja/${FLAVOR}-iphonesimulator
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X64_NINJA_DIR=${OUTPUT_DIR}/x64_ninja/${FLAVOR}-iphonesimulator
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if [[ ${BUILD_TYPE} = "framework" ]]; then
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# Merge the framework slices together into a FAT library by copying one arch
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# output and merging the rest in.
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DYLIB_PATH="WebRTC.framework/WebRTC"
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cp -R ${ARM_NINJA_DIR}/WebRTC.framework ${OUTPUT_DIR}
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rm ${OUTPUT_DIR}/${DYLIB_PATH}
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echo "Merging framework slices."
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lipo ${ARM_NINJA_DIR}/${DYLIB_PATH} \
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${ARM64_NINJA_DIR}/${DYLIB_PATH} \
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${IA32_NINJA_DIR}/${DYLIB_PATH} \
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${X64_NINJA_DIR}/${DYLIB_PATH} \
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-create -output ${OUTPUT_DIR}/${DYLIB_PATH}
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# Merge the dSYM files together in a similar fashion.
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DSYM_PATH="WebRTC.framework.dSYM/Contents/Resources/DWARF/WebRTC"
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cp -R ${ARM_NINJA_DIR}/WebRTC.framework.dSYM ${OUTPUT_DIR}
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rm ${OUTPUT_DIR}/${DSYM_PATH}
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echo "Merging dSYM slices."
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lipo ${ARM_NINJA_DIR}/${DSYM_PATH} \
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${ARM64_NINJA_DIR}/${DSYM_PATH} \
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${IA32_NINJA_DIR}/${DSYM_PATH} \
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${X64_NINJA_DIR}/${DSYM_PATH} \
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-create -output ${OUTPUT_DIR}/${DSYM_PATH}
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# Strip the dynamic framework of non-global symbols.
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# TODO(tkchin): Override chromium strip settings in supplement.gypi instead.
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echo "Stripping non-global symbols."
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strip -x ${OUTPUT_DIR}/${DYLIB_PATH}
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# Modify the version number.
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INFOPLIST_PATH=${OUTPUT_DIR}/WebRTC.framework/Info.plist
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MAJOR_MINOR=$(plistbuddy -c "Print :CFBundleShortVersionString" \
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${INFOPLIST_PATH})
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VERSION_NUMBER="${MAJOR_MINOR}.${POINT_VERSION}"
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echo "Substituting revision number: ${VERSION_NUMBER}"
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plistbuddy -c "Set :CFBundleVersion ${VERSION_NUMBER}" ${INFOPLIST_PATH}
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plutil -convert binary1 ${INFOPLIST_PATH}
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# Copy pod file.
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FORMAT_STRING=s/\${FRAMEWORK_VERSION_NUMBER}/${VERSION_NUMBER}/g
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sed -e ${FORMAT_STRING} ${WEBRTC_BASE_DIR}/webrtc/sdk/objc/WebRTC.podspec > \
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${OUTPUT_DIR}/WebRTC.podspec
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else
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echo "Merging static library slices."
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# Merge the static libraries together into individual FAT archives.
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${MERGE_SCRIPT} ${OUTPUT_DIR}
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# Merge the dSYM files together.
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TARGET_NAME="rtc_sdk_peerconnection_objc_no_op"
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if [[ ${BUILD_TYPE} = "legacy" ]]; then
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TARGET_NAME="libjingle_peerconnection_objc_no_op"
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fi
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DSYM_PATH="${TARGET_NAME}.app.dSYM/Contents/Resources/DWARF/${TARGET_NAME}"
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cp -R ${ARM_NINJA_DIR}/${TARGET_NAME}.app.dSYM ${OUTPUT_DIR}
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echo "Merging dSYM slices."
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lipo ${ARM_NINJA_DIR}/${DSYM_PATH} \
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${ARM64_NINJA_DIR}/${DSYM_PATH} \
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${IA32_NINJA_DIR}/${DSYM_PATH} \
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${X64_NINJA_DIR}/${DSYM_PATH} \
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-create -output ${OUTPUT_DIR}/${DSYM_PATH}
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# Strip debugging symbols.
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# TODO(tkchin): Override chromium settings in supplement.gypi instead to do
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# stripping at build time.
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echo "Stripping debug symbols."
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strip -S ${OUTPUT_DIR}/fat_libs/*.a
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# Symlink the headers.
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echo "Symlinking headers."
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INPUT_HEADER_DIR="${WEBRTC_BASE_DIR}/webrtc/sdk/objc/Framework/Headers/WebRTC"
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OUTPUT_HEADER_DIR="${OUTPUT_DIR}/include"
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if [[ -d ${OUTPUT_HEADER_DIR} ]]; then
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rm -rf ${OUTPUT_HEADER_DIR}
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fi
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if [[ ${BUILD_TYPE} = "legacy" ]]; then
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INPUT_HEADER_DIR="${WEBRTC_BASE_DIR}/talk/app/webrtc/objc/public"
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ln -sf ${INPUT_HEADER_DIR} ${OUTPUT_HEADER_DIR}
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else
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mkdir -p ${OUTPUT_HEADER_DIR}
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ln -sf ${INPUT_HEADER_DIR} ${OUTPUT_HEADER_DIR}/WebRTC
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fi
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fi
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echo "Generating LICENSE.html."
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${LICENSE_SCRIPT} ${OUTPUT_DIR}/arm64_libs ${OUTPUT_DIR}
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echo "Done!"
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