llvm-project/llgo/third_party/gofrontend/libffi/generate-osx-source-and-hea...

154 lines
5.1 KiB
Python

#!/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()