build

#!/usr/bin/env python3

import shutil
import pathlib
import argparse
import subprocess

def main():
  parser = argparse.ArgumentParser()
  parser.add_argument('-r', '--release', action='store_true', help='Make release build')
  parser.add_argument('-c', '--config', action='store_true', help='Force config step')
  parser.add_argument('-t', '--target', help='Target to build')
  args = parser.parse_args()

  build = 'Release' if args.release else 'Debug'
  cmake = shutil.which('cmake')
  assert isinstance(cmake, str)
  
  build_dir = pathlib.Path('build-dir') / build
  if not (build_dir / 'build.ninja').exists() or args.config:
    subprocess.run([
      cmake, '-S', '.', '-B', build_dir,
      f'-DCMAKE_BUILD_TYPE={build}',
      '-DCMAKE_C_COMPILER=clang',
      '-DCMAKE_CXX_COMPILER=clang++',
      '-DCMAKE_EXPORT_COMPILE_COMMANDS=YES',
      '-G', 'Ninja'])
    shutil.copy(build_dir / 'compile_commands.json', pathlib.Path.cwd())

  command = [cmake, '--build', build_dir, '--config', build]
  if args.target is not None:
    command += ['--target', args.target]
  print(command)
  subprocess.run(command)

if __name__ == '__main__':
  main()