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generate-darwin-source-and-headers.py
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#!/usr/bin/env python
import subprocess
import os
import errno
import collections
import glob
import argparse
class Platform(object):
pass
class simulator_platform(Platform):
directory = 'darwin_ios'
sdk = 'iphonesimulator'
arch = 'i386'
triple = 'i386-apple-darwin11'
version_min = '-miphoneos-version-min=7.0'
prefix = "#ifdef __i386__\n\n"
suffix = "\n\n#endif"
src_dir = 'x86'
src_files = ['sysv.S', 'ffi.c', 'internal.h']
class simulator64_platform(Platform):
directory = 'darwin_ios'
sdk = 'iphonesimulator'
arch = 'x86_64'
triple = 'x86_64-apple-darwin13'
version_min = '-miphoneos-version-min=7.0'
prefix = "#ifdef __x86_64__\n\n"
suffix = "\n\n#endif"
src_dir = 'x86'
src_files = ['unix64.S', 'ffi64.c', 'ffiw64.c', 'win64.S', 'internal64.h', 'asmnames.h']
class device_platform(Platform):
directory = 'darwin_ios'
sdk = 'iphoneos'
arch = 'armv7'
triple = 'arm-apple-darwin11'
version_min = '-miphoneos-version-min=7.0'
prefix = "#ifdef __arm__\n\n"
suffix = "\n\n#endif"
src_dir = 'arm'
src_files = ['sysv.S', 'ffi.c', 'internal.h']
class device64_platform(Platform):
directory = 'darwin_ios'
sdk = 'iphoneos'
arch = 'arm64'
triple = 'aarch64-apple-darwin13'
version_min = '-miphoneos-version-min=7.0'
prefix = "#ifdef __arm64__\n\n"
suffix = "\n\n#endif"
src_dir = 'aarch64'
src_files = ['sysv.S', 'ffi.c', 'internal.h']
class desktop32_platform(Platform):
directory = 'darwin_osx'
sdk = 'macosx'
arch = 'i386'
triple = 'i386-apple-darwin10'
version_min = '-mmacosx-version-min=10.6'
src_dir = 'x86'
src_files = ['sysv.S', 'ffi.c', 'internal.h']
prefix = "#ifdef __i386__\n\n"
suffix = "\n\n#endif"
class desktop64_platform(Platform):
directory = 'darwin_osx'
sdk = 'macosx'
arch = 'x86_64'
triple = 'x86_64-apple-darwin10'
version_min = '-mmacosx-version-min=10.6'
prefix = "#ifdef __x86_64__\n\n"
suffix = "\n\n#endif"
src_dir = 'x86'
src_files = ['unix64.S', 'ffi64.c', 'ffiw64.c', 'win64.S', 'internal64.h', 'asmnames.h']
def mkdir_p(path):
try:
os.makedirs(path)
except OSError as exc: # Python >2.5
if exc.errno != errno.EEXIST:
raise
def move_file(src_dir, dst_dir, filename, file_suffix=None, prefix='', suffix=''):
mkdir_p(dst_dir)
out_filename = filename
if file_suffix:
if filename in ['internal64.h', 'asmnames.h', 'internal.h']:
out_filename = filename
else:
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)
def list_files(src_dir, pattern=None, filelist=None):
if pattern: filelist = glob.iglob(os.path.join(src_dir, pattern))
for file in filelist:
yield os.path.basename(file)
def copy_files(src_dir, dst_dir, pattern=None, filelist=None, file_suffix=None, prefix=None, suffix=None):
for filename in list_files(src_dir, pattern=pattern, filelist=filelist):
move_file(src_dir, dst_dir, filename, file_suffix=file_suffix, prefix=prefix, suffix=suffix)
def copy_src_platform_files(platform):
src_dir = os.path.join('src', platform.src_dir)
dst_dir = os.path.join(platform.directory, 'src', platform.src_dir)
copy_files(src_dir, dst_dir, filelist=platform.src_files, file_suffix=platform.arch, prefix=platform.prefix, suffix=platform.suffix)
def build_target(platform, platform_headers):
def xcrun_cmd(cmd):
return 'xcrun -sdk %s %s -arch %s' % (platform.sdk, cmd, platform.arch)
tag='%s-%s' % (platform.sdk, platform.arch)
build_dir = 'build_%s' % tag
mkdir_p(build_dir)
env = dict(CC=xcrun_cmd('clang'),
LD=xcrun_cmd('ld'),
CFLAGS='%s -fembed-bitcode' % (platform.version_min))
working_dir = os.getcwd()
try:
os.chdir(build_dir)
subprocess.check_call(['../configure', '-host', platform.triple], env=env)
finally:
os.chdir(working_dir)
for src_dir in [build_dir, os.path.join(build_dir, 'include')]:
copy_files(src_dir,
os.path.join(platform.directory, 'include'),
pattern='*.h',
file_suffix=platform.arch,
prefix=platform.prefix,
suffix=platform.suffix)
for filename in list_files(src_dir, pattern='*.h'):
platform_headers[filename].add((platform.prefix, platform.arch, platform.suffix))
def generate_source_and_headers(generate_osx=True, generate_ios=True):
copy_files('src', 'darwin_common/src', pattern='*.c')
copy_files('include', 'darwin_common/include', pattern='*.h')
if generate_ios:
copy_src_platform_files(simulator_platform)
copy_src_platform_files(simulator64_platform)
copy_src_platform_files(device_platform)
copy_src_platform_files(device64_platform)
if generate_osx:
copy_src_platform_files(desktop64_platform)
platform_headers = collections.defaultdict(set)
if generate_ios:
build_target(simulator_platform, platform_headers)
build_target(simulator64_platform, platform_headers)
build_target(device_platform, platform_headers)
build_target(device64_platform, platform_headers)
if generate_osx:
build_target(desktop64_platform, platform_headers)
mkdir_p('darwin_common/include')
for header_name, tag_tuples in platform_headers.items():
basename, suffix = os.path.splitext(header_name)
with open(os.path.join('darwin_common/include', header_name), 'w') as header:
for tag_tuple in tag_tuples:
header.write('%s#include <%s_%s%s>\n%s\n' % (tag_tuple[0], basename, tag_tuple[1], suffix, tag_tuple[2]))
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--only-ios', action='store_true', default=False)
parser.add_argument('--only-osx', action='store_true', default=False)
args = parser.parse_args()
generate_source_and_headers(generate_osx=not args.only_ios, generate_ios=not args.only_osx)