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#!/usr/bin/env python
# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
r"""Prints the lowest locally available SDK version greater than or equal to a
given minimum sdk version to standard output.
If --developer_dir is passed, then the script will use the Xcode toolchain
located at DEVELOPER_DIR.
If --print_sdk_path is passed, then the script will also print the SDK path.
If --print_bin_path is passed, then the script will also print the path to the
toolchain bin dir.
Usage:
python find_sdk.py \
[--print_sdk_path] \
[--print_bin_path] \
10.6 # Ignores SDKs < 10.6
Sample Output:
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/
10.14
"""
from __future__ import print_function
import os
import re
import subprocess
import sys
from optparse import OptionParser
class SdkError(Exception):
def __init__(self, value):
self.value = value
def __str__(self):
return repr(self.value)
def parse_version(version_str):
"""'10.6' => [10, 6]"""
return map(int, re.findall(r'(\d+)', version_str))
def main():
parser = OptionParser()
parser.add_option("--verify",
action="store_true", dest="verify", default=False,
help="return the sdk argument and warn if it doesn't exist")
parser.add_option("--sdk_path",
action="store", type="string", dest="sdk_path", default="",
help="user-specified SDK path; bypasses verification")
parser.add_option("--print_sdk_path",
action="store_true", dest="print_sdk_path", default=False,
help="Additionally print the path the SDK (appears first).")
parser.add_option("--print_bin_path",
action="store_true", dest="print_bin_path", default=False,
help="Additionally print the path the toolchain bin dir.")
parser.add_option("--developer_dir", help='Path to Xcode.')
options, args = parser.parse_args()
if len(args) != 1:
parser.error('Please specify a minimum SDK version')
min_sdk_version = args[0]
# If we are passed the developer dir, then we don't need to call xcode-select.
# This is important to avoid since we want to minimize dependencies on the
# xcode toolchain.
if options.developer_dir:
dev_dir = os.path.join(options.developer_dir, 'Contents/Developer')
else:
job = subprocess.Popen(['xcode-select', '-print-path'],
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
out, err = job.communicate()
if job.returncode != 0:
print(out, file=sys.stderr)
print(err, file=sys.stderr)
raise Exception('Error %d running xcode-select' % job.returncode)
dev_dir = out.rstrip()
sdk_dir = os.path.join(
dev_dir, 'Platforms/MacOSX.platform/Developer/SDKs')
if not os.path.isdir(sdk_dir):
raise SdkError('Install Xcode, launch it, accept the license ' +
'agreement, and run `sudo xcode-select -s /path/to/Xcode.app` ' +
'to continue.')
sdks = [re.findall('^MacOSX(\d+\.\d+)\.sdk$', s) for s in os.listdir(sdk_dir)]
sdks = [s[0] for s in sdks if s] # [['10.5'], ['10.6']] => ['10.5', '10.6']
sdks = [s for s in sdks # ['10.5', '10.6'] => ['10.6']
if parse_version(s) >= parse_version(min_sdk_version)]
if not sdks:
raise Exception('No %s+ SDK found' % min_sdk_version)
best_sdk = sorted(sdks, key=parse_version)[0]
if options.verify and best_sdk != min_sdk_version and not options.sdk_path:
print('', file=sys.stderr)
print(' vvvvvvv', file=sys.stderr)
print('', file=sys.stderr)
print('This build requires the %s SDK, but it was not found on your system.' \
% min_sdk_version, file=sys.stderr)
print(
'Either install it, or explicitly set mac_sdk in your GYP_DEFINES.',
file=sys.stderr)
print('', file=sys.stderr)
print(' ^^^^^^^', file=sys.stderr)
print('', file=sys.stderr)
sys.exit(1)
if options.print_sdk_path:
sdk_name = 'MacOSX' + best_sdk + '.sdk'
print(os.path.join(sdk_dir, sdk_name))
if options.print_bin_path:
bin_path = 'Toolchains/XcodeDefault.xctoolchain/usr/bin/'
print(os.path.join(dev_dir, bin_path))
return best_sdk
if __name__ == '__main__':
if sys.platform != 'darwin':
raise Exception("This script only runs on Mac")
print(main())
sys.exit(0)
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