blob: 540a3202e43de07edfd083bf88d33c475d142af5 [file] [log] [blame]
#!/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.
"""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.
python [--developer_dir DEVELOPER_DIR] 10.6 # Ignores SDKs < 10.6
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()
action="store_true", dest="verify", default=False,
help="return the sdk argument and warn if it doesn't exist")
action="store", type="string", dest="sdk_path", default="",
help="user-specified SDK path; bypasses verification")
action="store_true", dest="print_sdk_path", default=False,
help="Additionally print the path the SDK (appears first).")
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 options.developer_dir:
os.environ['DEVELOPER_DIR'] = options.developer_dir
job = subprocess.Popen(['xcode-select', '-print-path'],
out, err = job.communicate()
if job.returncode != 0:
print >> sys.stderr, out
print >> sys.stderr, err
raise Exception('Error %d running xcode-select' % job.returncode)
sdk_dir = os.path.join(
out.rstrip(), 'Platforms/MacOSX.platform/Developer/SDKs')
# Xcode must be installed, its license agreement must be accepted, and its
# command-line tools must be installed. Stand-alone installations (in
# /Library/Developer/CommandLineTools) are not supported.
if not os.path.isdir(sdk_dir) or not '.app/Contents/Developer' in sdk_dir:
raise SdkError('Install Xcode, launch it, accept the license ' +
'agreement, and run `sudo xcode-select -s /path/to/` ' +
'to continue.')
sdks = [re.findall('^MacOSX(10\.\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 >> sys.stderr, ''
print >> sys.stderr, ' vvvvvvv'
print >> sys.stderr, ''
print >> sys.stderr, \
'This build requires the %s SDK, but it was not found on your system.' \
% min_sdk_version
print >> sys.stderr, \
'Either install it, or explicitly set mac_sdk in your GYP_DEFINES.'
print >> sys.stderr, ''
print >> sys.stderr, ' ^^^^^^^'
print >> sys.stderr, ''
if options.print_sdk_path:
print subprocess.check_output(
['xcrun', '-sdk', 'macosx' + best_sdk, '--show-sdk-path']).strip()
return best_sdk
if __name__ == '__main__':
if sys.platform != 'darwin':
raise Exception("This script only runs on Mac")
print main()