kc3-lang/libffi/generate-osx-source-and-headers.py

• Show log

  Commit

• Hash : 21bde92c
  Author :
  Date : 2013-11-30T03:43:42
  

  Darwin: Clean up, modernize generator scripts

Download

• generate-osx-source-and-headers.py

• #!/usr/bin/env python
  import subprocess
  import re
  import os
  import collections
  
  
  class Platform(object):
      pass
  
  sdk_re = re.compile(r'.*-sdk ([a-zA-Z0-9.]*)')
  
  
  def sdkinfo(sdkname):
      ret = {}
      for line in subprocess.Popen(['xcodebuild', '-sdk', sdkname, '-version'], stdout=subprocess.PIPE).stdout:
          kv = line.strip().split(': ', 1)
          if len(kv) == 2:
              k, v = kv
              ret[k] = v
      return ret
  
  desktop_sdk_info = sdkinfo('macosx')
  
  
  def latest_sdks():
      latest_desktop = None
      for line in subprocess.Popen(['xcodebuild', '-showsdks'], stdout=subprocess.PIPE).stdout:
          match = sdk_re.match(line)
          if match:
              if 'OS X' in line:
                  latest_desktop = match.group(1)
  
      return latest_desktop
  
  desktop_sdk = latest_sdks()
  
  
  class desktop_platform_32(Platform):
      sdk = 'macosx'
      arch = 'i386'
      name = 'mac32'
      triple = 'i386-apple-darwin10'
      sdkroot = desktop_sdk_info['Path']
  
      prefix = "#if defined(__i386__) && !defined(__x86_64__)\n\n"
      suffix = "\n\n#endif"
  
  
  class desktop_platform_64(Platform):
      sdk = 'macosx'
      arch = 'x86_64'
      name = 'mac'
      triple = 'x86_64-apple-darwin10'
      sdkroot = desktop_sdk_info['Path']
  
      prefix = "#if !defined(__i386__) && defined(__x86_64__)\n\n"
      suffix = "\n\n#endif"
  
  
  def move_file(src_dir, dst_dir, filename, file_suffix=None, prefix='', suffix=''):
      if not os.path.exists(dst_dir):
          os.makedirs(dst_dir)
  
      out_filename = filename
  
      if file_suffix:
          split_name = os.path.splitext(filename)
          out_filename = "%s_%s%s" % (split_name[0], file_suffix, split_name[1])
  
      with open(os.path.join(src_dir, filename)) as in_file:
          with open(os.path.join(dst_dir, out_filename), 'w') as out_file:
              if prefix:
                  out_file.write(prefix)
  
              out_file.write(in_file.read())
  
              if suffix:
                  out_file.write(suffix)
  
  headers_seen = collections.defaultdict(set)
  
  
  def move_source_tree(src_dir, dest_dir, dest_include_dir, arch=None, prefix=None, suffix=None):
      for root, dirs, files in os.walk(src_dir, followlinks=True):
          relroot = os.path.relpath(root, src_dir)
  
          def move_dir(arch, prefix='', suffix='', files=[]):
              for file in files:
                  if file.endswith('.h'):
                      if dest_include_dir:
                          if arch:
                              headers_seen[file].add(arch)
                          move_file(root, dest_include_dir, file, arch, prefix=prefix, suffix=suffix)
  
                  elif dest_dir:
                      outroot = os.path.join(dest_dir, relroot)
                      move_file(root, outroot, file, prefix=prefix, suffix=suffix)
  
          if relroot == '.':
              move_dir(arch=arch,
                       files=files,
                       prefix=prefix,
                       suffix=suffix)
          elif relroot == 'x86':
              move_dir(arch='i386',
                       prefix="#if defined(__i386__) && !defined(__x86_64__)\n\n",
                       suffix="\n\n#endif",
                       files=['darwin.S', 'ffi.c'])
              move_dir(arch='x86_64',
                       prefix="#if !defined(__i386__) && defined(__x86_64__)\n\n",
                       suffix="\n\n#endif",
                       files=['darwin64.S', 'ffi64.c'])
  
  
  def build_target(platform):
      def xcrun_cmd(cmd):
          return subprocess.check_output(['xcrun', '-sdk', platform.sdkroot, '-find', cmd]).strip()
  
      build_dir = 'build_' + platform.name
      if not os.path.exists(build_dir):
          os.makedirs(build_dir)
          env = dict(CC=xcrun_cmd('clang'),
                     LD=xcrun_cmd('ld'),
                     CFLAGS='-arch %s -isysroot %s -mmacosx-version-min=10.6' % (platform.arch, platform.sdkroot))
          working_dir = os.getcwd()
          try:
              os.chdir(build_dir)
              subprocess.check_call(['../configure', '-host', platform.triple], env=env)
              move_source_tree('.', None, '../osx/include',
                               arch=platform.arch,
                               prefix=platform.prefix,
                               suffix=platform.suffix)
              move_source_tree('./include', None, '../osx/include',
                               arch=platform.arch,
                               prefix=platform.prefix,
                               suffix=platform.suffix)
          finally:
              os.chdir(working_dir)
  
          for header_name, archs in headers_seen.iteritems():
              basename, suffix = os.path.splitext(header_name)
  
  
  def main():
      move_source_tree('src', 'osx/src', 'osx/include')
      move_source_tree('include', None, 'osx/include')
      build_target(desktop_platform_32)
      build_target(desktop_platform_64)
  
      for header_name, archs in headers_seen.iteritems():
          basename, suffix = os.path.splitext(header_name)
          with open(os.path.join('osx/include', header_name), 'w') as header:
              for arch in archs:
                  header.write('#include <%s_%s%s>\n' % (basename, arch, suffix))
  
  if __name__ == '__main__':
      main()
  

Download