| #!/usr/bin/env python |
| # |
| # Copyright 2019 The Hafnium Authors. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # https://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| #!/usr/bin/env python |
| """Generate a depfile for a folder.""" |
| |
| import argparse |
| import os |
| import sys |
| |
| def main(): |
| parser = argparse.ArgumentParser() |
| parser.add_argument("root_dir", help="input directory") |
| parser.add_argument("stamp_file", help="stamp file to be touched") |
| parser.add_argument("dep_file", help="depfile to be written") |
| args = parser.parse_args() |
| |
| # Compile list of all files in the folder, relative to `root_dir`. |
| sources = [] |
| for root, _, files in os.walk(args.root_dir): |
| sources.extend([ os.path.join(root, f) for f in files ]) |
| sources = sorted(sources) |
| |
| # Write `dep_file` as a Makefile rule for `stamp_file`. |
| with open(args.dep_file, "w") as f: |
| f.write(args.stamp_file) |
| f.write(":") |
| for source in sources: |
| f.write(' '); |
| f.write(source) |
| f.write(os.linesep) |
| |
| # Touch `stamp_file`. |
| with open(args.stamp_file, "w"): |
| pass |
| |
| if __name__ == "__main__": |
| sys.exit(main()) |