chromium/scripts/fake_linker.py

#!/usr/bin/env python
#
# Copyright 2018 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Find '-o' and create a file with that name if it doesn't already exist.
# Ignore everything else.

import os
import sys

for idx, arg in enumerate(sys.argv[1:]):
  filename = None
  if arg == '-o':
    # Hopefully there is an |idx+1|.
    filename = sys.argv[1:][idx+1]
  if arg.startswith('-out:'):
    # also handle lld-link argument
    filename = arg.split(':')[-1]
  if filename != None:
    # If the file exists, then take no action.
    if not os.path.exists(filename):
      print ("creating fake linker output file: %s" % filename)
      open(filename, "w+").close()
    sys.exit(0)

print ("Please supply a '-o filename\' somewhere on the command line")
sys.exit(1)