Move build scripts to webrtc/build/ios

talk/build/export_headers

-#!/usr/bin/python
-
-#  Copyright 2016 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.
-
-"""Script for exporting iOS header files."""
-
-import errno
-import optparse
-import os
-import re
-import shutil
-import sys
-
-LEGACY_HEADER_DIRS = ['talk/app/webrtc/objc/public', 'webrtc/base/objc/']
-HEADER_DIRS = ['webrtc/api/objc/', 'webrtc/base/objc/']
-# Individual header files that should also be exported.
-LEGACY_HEADER_INCLUDES = []
-HEADER_INCLUDES = []
-# Individual header files that should not be exported.
-LEGACY_HEADER_EXCLUDES = ['talk/app/webrtc/objc/public/RTCNSGLVideoView.h']
-HEADER_EXCLUDES = ['webrtc/api/objc/avfoundationvideocapturer.h',
-                   'webrtc/api/objc/RTCNSGLVideoView.h']
-
-def ExportHeaders(include_base_dir, use_legacy_headers):
-  """Exports iOS header files.
-
-  Creates an include directory and recreates the hierarchy for the header files
-  within the include directory.
-
-  Args:
-    include_base_dir: directory where the include directory should be created
-  """
-
-  include_dir_name = 'include'
-  include_path = os.path.join(include_base_dir, include_dir_name)
-
-  script_path = sys.path[0]
-  webrtc_base_path = os.path.join(script_path, '../..')
-
-  header_dirs = HEADER_DIRS
-  include_headers = HEADER_INCLUDES
-  exclude_headers = HEADER_EXCLUDES
-  if use_legacy_headers:
-    header_dirs = LEGACY_HEADER_DIRS
-    include_headers = LEGACY_HEADER_INCLUDES
-    exclude_headers = LEGACY_HEADER_EXCLUDES
-
-  for directory in header_dirs:
-    full_dir_path = os.path.join(webrtc_base_path, directory)
-    filenames = os.listdir(full_dir_path)
-    for filename in filenames:
-      if filename.endswith('.h') and not filename.endswith('+Private.h'):
-        include_headers.append(os.path.join(directory, filename))
-
-  for header in exclude_headers:
-    include_headers.remove(header)
-
-  for header_path in include_headers:
-    output_dir = os.path.join(include_path, os.path.dirname(header_path))
-    # Create hierarchy for the header file within the include directory.
-    try:
-      os.makedirs(output_dir)
-    except OSError as exc:
-      if exc.errno != errno.EEXIST:
-        raise exc
-    current_path = os.path.join(webrtc_base_path, header_path)
-    new_path = os.path.join(include_path, header_path)
-    shutil.copy(current_path, new_path)
-
-def Main():
-  parser = optparse.OptionParser()
-  _, args = parser.parse_args()
-  if len(args) != 2:
-    parser.error('Error: Exactly 2 arguments required.')
-  include_base_dir = args[0]
-  use_legacy_headers = False if int(args[1]) == 0 else True
-  ExportHeaders(include_base_dir, use_legacy_headers)
-
-if __name__ == '__main__':
-  sys.exit(Main())