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

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  • Author : Anthony Green
    Date : 2012-10-12 16:46:06
    Hash : 9c00a3f6
    Message : TILE-Gx/TILEPro support

  • generate-osx-source-and-headers.py
  • #!/usr/bin/env python
    import subprocess
    import re
    import os
    import errno
    import collections
    import sys
    
    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:
                    file_suffix = None
                    if file.endswith('.h'):
                        if dest_include_dir:
                            file_suffix = arch
                            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=files)
                move_dir(arch='x86_64',
                         prefix="#if !defined(__i386__) && defined(__x86_64__)\n\n",
                         suffix="\n\n#endif",
                         files=files)
    
    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()