text: #!/usr/bin/env python
  
  #
  # Script inspired in bud:
  #   https://github.com/indutny/bud
  #
  
  import platform
  import os
  import subprocess
  import sys
  
  CC = os.environ.get('CC', 'cc')
  script_dir = os.path.dirname(__file__)
  root = os.path.normpath(os.path.join(script_dir, '..'))
  output_dir = os.path.join(os.path.abspath(root), 'out')
  
  sys.path.insert(0, os.path.join(root, 'deps', 'gyp', 'pylib'))
  try:
    import gyp
  except ImportError:
    print('Error: you need to install gyp in deps/gyp first, run:')
    print('  ./scripts/get_dep.sh gyp')
    sys.exit(42)
  
  def host_arch():
    machine = platform.machine()
    if machine == 'i386': return 'ia32'
    if machine == 'x86_64': return 'x64'
    if machine.startswith('arm'): return 'arm'
    if machine.startswith('mips'): return 'mips'
    return machine  # Return as-is and hope for the best.
  
  def compiler_version():
    proc = subprocess.Popen(CC.split() + ['--version'], stdout=subprocess.PIPE)
    is_clang = b'clang' in proc.communicate()[0].split(b'\n')[0]
    proc = subprocess.Popen(CC.split() + ['-dumpversion'], stdout=subprocess.PIPE)
    version = proc.communicate()[0].split(b'.')
    mayor_version = int(version[:1][0])
    if is_clang == False and mayor_version >= 7:
      proc = subprocess.Popen(CC.split() + ['-dumpfullversion'], stdout=subprocess.PIPE)
      version = proc.communicate()[0].split(b'.')
    version = map(int, version[:2])
    version = tuple(version)
    return (version, is_clang)
  
  def run_gyp(args):
    rc = gyp.main(args)
    if rc != 0:
      print('Error running GYP')
      sys.exit(rc)
  
  if __name__ == '__main__':
    args = sys.argv[1:]
  
    # GYP bug.
    # On msvs it will crash if it gets an absolute path.
    # On Mac/make it will crash if it doesn't get an absolute path.
    # NOTE ibc: Not sure that it requires absolute path in Mac/make...
    if sys.platform == 'win32':
      args.append(os.path.join(root, 'mediasoup-worker.gyp'))
      common_fn  = os.path.join(root, 'common.gypi')
      # we force vs 2010 over 2008 which would otherwise be the default for gyp.
      if not os.environ.get('GYP_MSVS_VERSION'):
        os.environ['GYP_MSVS_VERSION'] = '2010'
    else:
      args.append(os.path.join(os.path.abspath(root), 'mediasoup-worker.gyp'))
      common_fn  = os.path.join(os.path.abspath(root), 'common.gypi')
  
    if os.path.exists(common_fn):
      args.extend(['-I', common_fn])
  
    args.append('--depth=' + root)
  
    # There's a bug with windows which doesn't allow this feature.
    if sys.platform != 'win32':
      if '-f' not in args:
        args.extend('-f make'.split())
      if 'ninja' not in args:
        args.extend(['-Goutput_dir=' + output_dir])
        args.extend(['--generator-output', output_dir])
      (major, minor), is_clang = compiler_version()
      args.append('-Dgcc_version=%d' % (10 * major + minor))
      args.append('-Dclang=%d' % int(is_clang))
      if is_clang == False and major == 4 and minor <= 8:
        raise RuntimeError('gcc <= 4.8 not supported, please upgrade your gcc')
  
    if not any(a.startswith('-Dhost_arch=') for a in args):
      args.append('-Dhost_arch=%s' % host_arch())
  
    if not any(a.startswith('-Dtarget_arch=') for a in args):
      args.append('-Dtarget_arch=%s' % host_arch())
  
    if any(a.startswith('-Dopenssl_fips=') for a in args):
      fips_fn = os.path.join(os.path.abspath(root), 'fips.gypi')
      args.extend(['-I', fips_fn])
    else:
      args.append('-Dopenssl_fips=')
  
    if 'asan' in args:
      args.append('-Dmediasoup_asan=true')
      args = filter(lambda arg: arg != 'asan', args)
    else:
      args.append('-Dmediasoup_asan=false')
  
    args.append('-Dnode_byteorder=' + sys.byteorder)
  
    gyp_args = list(args)
    print(gyp_args)
    run_gyp(gyp_args)
  