Move logic of gyp_webrtc into gyp_webrtc.py

webrtc/build/gyp_webrtc

Index: webrtc/build/gyp_webrtc
diff --git a/webrtc/build/gyp_webrtc b/webrtc/build/gyp_webrtc
old mode 100755
new mode 100644
index 2376cfbb85c6c7649c503d2ff4e2a024c9c8fb7d..c0a9ed9da8efb004074e2d4825664cfa42b9d4d6
--- a/webrtc/build/gyp_webrtc
+++ b/webrtc/build/gyp_webrtc
@@ -8,108 +8,10 @@
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
-# This script is used to run GYP for WebRTC. It contains selected parts of the
-# main function from the src/build/gyp_chromium file.
+# Simple launcher script for gyp_webrtc.py.
+# TODO(kjellander): This should probably be shell script but for historical
+# reasons (all the python code used to live in this script without a
+# .py extension, and was often run as 'python gyp_webrtc') it is
+# currently still python.
 
-import glob
-import os
-import shlex
-import sys
-
-script_dir = os.path.dirname(os.path.realpath(__file__))
-checkout_root = os.path.abspath(os.path.join(script_dir, os.pardir, os.pardir))
-
-sys.path.insert(0, os.path.join(checkout_root, 'build'))
-import gyp_chromium
-import gyp_helper
-import vs_toolchain
-
-sys.path.insert(0, os.path.join(checkout_root, 'tools', 'gyp', 'pylib'))
-import gyp
-
-def GetSupplementalFiles():
-  """Returns a list of the supplemental files that are included in all GYP
-  sources."""
-  # Can't use the one in gyp_chromium since the directory location of the root
-  # is different.
-  return glob.glob(os.path.join(checkout_root, '*', 'supplement.gypi'))
-
-
-if __name__ == '__main__':
-  args = sys.argv[1:]
-
-  if int(os.environ.get('GYP_CHROMIUM_NO_ACTION', 0)):
-    print 'Skipping gyp_webrtc due to GYP_CHROMIUM_NO_ACTION env var.'
-    sys.exit(0)
-
-  if 'SKIP_WEBRTC_GYP_ENV' not in os.environ:
-    # Update the environment based on webrtc.gyp_env
-    gyp_env_path = os.path.join(os.path.dirname(checkout_root),
-                                'webrtc.gyp_env')
-    gyp_helper.apply_gyp_environment_from_file(gyp_env_path)
-
-  # This could give false positives since it doesn't actually do real option
-  # parsing.  Oh well.
-  gyp_file_specified = False
-  for arg in args:
-    if arg.endswith('.gyp'):
-      gyp_file_specified = True
-      break
-
-  # If we didn't get a file, assume 'all.gyp' in the root of the checkout.
-  if not gyp_file_specified:
-    # Because of a bug in gyp, simply adding the abspath to all.gyp doesn't
-    # work, but chdir'ing and adding the relative path does. Spooky :/
-    os.chdir(checkout_root)
-    args.append('all.gyp')
-
-  # There shouldn't be a circular dependency relationship between .gyp files,
-  args.append('--no-circular-check')
-
-  # Default to ninja unless GYP_GENERATORS is set.
-  if not os.environ.get('GYP_GENERATORS'):
-    os.environ['GYP_GENERATORS'] = 'ninja'
-
-  # Enable check for missing sources in GYP files on Windows.
-  if sys.platform.startswith('win'):
-    gyp_generator_flags = os.getenv('GYP_GENERATOR_FLAGS', '')
-    if not 'msvs_error_on_missing_sources' in gyp_generator_flags:
-      os.environ['GYP_GENERATOR_FLAGS'] = (
-          gyp_generator_flags + ' msvs_error_on_missing_sources=1')
-
-  vs2013_runtime_dll_dirs = None
-  if int(os.environ.get('DEPOT_TOOLS_WIN_TOOLCHAIN', '1')):
-    vs2013_runtime_dll_dirs = vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs()
-
-  # Enforce gyp syntax checking. This adds about 20% execution time.
-  args.append('--check')
-
-  supplemental_includes = GetSupplementalFiles()
-  gyp_vars = gyp_chromium.GetGypVars(supplemental_includes)
-
-  # Automatically turn on crosscompile support for platforms that need it.
-  if all(('ninja' in os.environ.get('GYP_GENERATORS', ''),
-          gyp_vars.get('OS') in ['android', 'ios'],
-          'GYP_CROSSCOMPILE' not in os.environ)):
-    os.environ['GYP_CROSSCOMPILE'] = '1'
-
-  args.extend(['-I' + i for i in
-               gyp_chromium.additional_include_files(supplemental_includes,
-                                                     args)])
-
-  # Set the gyp depth variable to the root of the checkout.
-  args.append('--depth=' + os.path.relpath(checkout_root))
-
-  print 'Updating projects from gyp files...'
-  sys.stdout.flush()
-
-  # Off we go...
-  gyp_rc = gyp.main(args)
-
-  if vs2013_runtime_dll_dirs:
-    x64_runtime, x86_runtime = vs2013_runtime_dll_dirs
-    vs_toolchain.CopyVsRuntimeDlls(
-        os.path.join(checkout_root, gyp_chromium.GetOutputDirectory()),
-        (x86_runtime, x64_runtime))
-
-  sys.exit(gyp_rc)
+execfile(__file__ + '.py')