dart-sdk/build/mac/find_sdk.py
Josh Soref ba15a61271 Spelling build
Closes https://github.com/dart-lang/sdk/pull/50859

GitOrigin-RevId: 7b056018c2925745701bdecdd7da325d9458204d
Change-Id: Iff037d773713bf73efde6951599becfd7297b921
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/277740
Reviewed-by: Alexander Thomas <athom@google.com>
2023-01-23 08:56:14 +00:00

147 lines
4.5 KiB
Python
Executable file

#!/usr/bin/env python3
# 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.
Usage:
python3 find_sdk.py 10.6 # Ignores SDKs < 10.6
"""
import os
import re
import subprocess
import sys
from optparse import OptionParser
# sdk/build/xcode_links
ROOT_SRC_DIR = os.path.join(
os.path.dirname(
os.path.dirname(os.path.dirname(os.path.realpath(__file__)))))
def CreateSymlinkForSDKAt(src, dst):
"""
Create symlink to Xcode directory at target location, which can be absolute or
relative to `ROOT_SRC_DIR`.
"""
# If `dst` is relative, it is assumed to be relative to src root.
if not os.path.isabs(dst):
dst = os.path.join(ROOT_SRC_DIR, dst)
if not os.path.isdir(dst):
os.makedirs(dst)
dst = os.path.join(dst, os.path.basename(src))
# Update the symlink if exists.
if os.path.islink(dst):
current_src = os.readlink(dst)
if current_src == src:
return dst
os.unlink(dst)
sys.stderr.write('existing symlink %s points %s; want %s. Removed.' %
(dst, current_src, src))
os.symlink(src, dst)
return dst
def parse_version(version_str):
"""'10.6' => [10, 6]"""
return list(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(
"--create_symlink_at",
action="store",
dest="create_symlink_at",
help=
"Create symlink to SDK at given location and return symlink path as SDK "
"info instead of the original location.")
(options, args) = parser.parse_args()
min_sdk_version = args[0]
job = subprocess.Popen(['xcode-select', '-print-path'],
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
universal_newlines=True)
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)
sdk_dir = os.path.join(out.rstrip(),
'Platforms/MacOSX.platform/Developer/SDKs')
if not os.path.isdir(sdk_dir):
raise Exception(
'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('''
vvvvvvv
This build requires the %s SDK, but it was not found on your system.
Either install it, or explicitly set mac_sdk in your GYP_DEFINES.
^^^^^^^'
''' % min_sdk_version,
file=sys.stderr)
return min_sdk_version
if options.print_sdk_path:
sdk_path = subprocess.check_output(
['xcodebuild', '-version', '-sdk', 'macosx' + best_sdk, 'Path'],
universal_newlines=True).strip()
if options.create_symlink_at:
print(CreateSymlinkForSDKAt(sdk_path, options.create_symlink_at))
else:
print(sdk_path)
return best_sdk
if __name__ == '__main__':
if sys.platform != 'darwin':
raise Exception("This script only runs on Mac")
print(main())