Move logic of gyp_webrtc into gyp_webrtc.py

webrtc/build/ios/build_ios_libs.sh

 #!/bin/bash
 
 #  Copyright 2015 The WebRTC 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.
 
 # Generates static FAT libraries for ios in out_ios_libs.
 
 # Exit on errors.
 set -e
 
 # Globals.
 SCRIPT_DIR=$(cd $(dirname $0) && pwd)
 WEBRTC_BASE_DIR=${SCRIPT_DIR}/../../..
-GYP_WEBRTC_SCRIPT=${WEBRTC_BASE_DIR}/webrtc/build/gyp_webrtc
+GYP_WEBRTC_SCRIPT=${WEBRTC_BASE_DIR}/webrtc/build/gyp_webrtc.py
 EXPORT_HEADERS_SCRIPT=${SCRIPT_DIR}/export_headers.py
 MERGE_SCRIPT=${SCRIPT_DIR}/merge_ios_libs.py
 
 function check_preconditions {
   # Check for Darwin.
   if [[ ! $(uname) = "Darwin" ]]; then
     echo "OS/X required." >&2
     exit 1
   fi
 
@@ skipping 33 matching lines @@
   else
     flavor="${flavor}-iphonesimulator"
   fi
   export GYP_DEFINES="OS=ios target_arch=${target_arch} use_objc_h264=1 \
 clang_xcode=1 ios_override_visibility=1"
   export GYP_GENERATORS="ninja"
   export GYP_GENERATOR_FLAGS="output_dir=${ninja_output_dir}"
 
   # GYP generation requires relative path for some reason.
   pushd ${WEBRTC_BASE_DIR}
-  webrtc/build/gyp_webrtc webrtc/build/ios/merge_ios_libs.gyp
+  ${GYP_WEBRTC_SCRIPT} webrtc/build/ios/merge_ios_libs.gyp
   popd
   if [[ ${USE_LEGACY_API} -eq 1 ]]; then
     ninja -C ${ninja_output_dir}/${flavor} libjingle_peerconnection_objc_no_op
   else
     ninja -C ${ninja_output_dir}/${flavor} webrtc_api_objc_no_op
   fi
   mkdir -p ${library_output_dir}
 
   for f in ${ninja_output_dir}/${flavor}/*.a
   do
@@ skipping 54 matching lines @@
 do
   echo "Building WebRTC arch: ${arch}"
   build_webrtc ${OUTPUT_DIR} "Profile" $arch
 done
 
 # Export header files.
 ${EXPORT_HEADERS_SCRIPT} ${OUTPUT_DIR} ${USE_LEGACY_API}
 
 # Merge the libraries together.
 ${MERGE_SCRIPT} ${OUTPUT_DIR}