A shell script to build WebRTC for iOS/Mac.

webrtc.sh

#! bin/bash

# webrtc - A script to sync and build the webrtc codebase
#
# Dependencies
# Make sure to install the chromium depot_tools first. Detailed instructions available at
# http://dev.chromium.org/developers/how-tos/install-depot-tools

##### Constants

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

##### Functions

function gyp_config() {

  cd "$DIR/trunk"

  export GYP_DEFINES="build_with_libjingle=1 build_with_chromium=0 libjingle_objc=1"
  export GYP_GENERATORS="ninja"

  if [[ $1 == "ios" ]]; then
    export GYP_DEFINES="$GYP_DEFINES OS=ios target_arch=armv7"
    export GYP_GENERATOR_FLAGS="$GYP_GENERATOR_FLAGS output_dir=out_ios"
    export GYP_CROSSCOMPILE=1
  elif [[ $1 == "mac" ]]; then
    export GYP_DEFINES="$GYP_DEFINES OS=mac target_arch=x64"
    export GYP_GENERATOR_FLAGS="$GYP_GENERATOR_FLAGS output_dir=out_mac"
  elif [[ $1 == "sim" ]]; then
    export GYP_DEFINES="$GYP_DEFINES OS=ios target_arch=ia32"
    export GYP_GENERATOR_FLAGS="$GYP_GENERATOR_FLAGS output_dir=out_sim"
    export GYP_CROSSCOMPILE=1
  fi

}

function usage() {
  echo "Usage: webrtc OPTIONS\n\nOptions:\n\tsync\n\tbuild [ios|mac|sim]"
}

function sync() {
  echo "Syncing with WebRTC repository on Google Code…"

  # Checkout the webrtc repository
  gclient config http://webrtc.googlecode.com/svn/trunk
  gclient sync --force

  # Sync files for iOS and Mac
  # Note that until http://crbug.com/248168 is fixed one needs to do a gclient
  # sync with just 'mac' and then follow that with a sync with both.
  echo "target_os = ['mac']" >> .gclient
  gclient sync
  sed -i - "s/target_os.*/target_os = ['ios', 'mac']/" .gclient
  gclient sync
  # Generate ninja files
  gclient runhooks

  echo "Done!"
}

function build() {
  if [[ $1 == "ios" ]]; then
    build_ios
  elif [[ $1 == "mac" ]]; then
    build_mac
  elif [[ $1 == "sim" ]]; then
    build_sim
  else
    usage
  fi
}

function build_ios() {
  echo "Building for iOS…"
  gyp_config ios
  gclient runhooks
  ninja -C out_ios/Debug-iphoneos AppRTCDemo
  echo "Done!"
}

function build_mac() {
  echo "Building for Mac…"
  gyp_config mac
  gclient runhooks
  ninja -C out_mac/Debug libjingle_peerconnection_objc_test
  ./out_mac/Debug/libjingle_peerconnection_objc_test.app/Contents/MacOS/libjingle_peerconnection_objc_test
  echo "Done!"
}

function build_sim() {
  echo "Building for Simulator…"
  gyp_config sim
  gclient runhooks
  ninja -C out_sim/Debug iossim AppRTCDemo
  ./out_sim/Debug/iossim out_sim/Debug/AppRTCDemo.app
  echo "Done!"
}

##### Main

if [ $1 == "build" ]; then
  build $2
elif [[ $1 == "sync" ]]; then
  sync
else
  usage
fi