1 #!/usr/bin/env python 2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. 3 # Use of this source code is governed by a BSD-style license that can be 4 # found in the LICENSE file. 5 6 import os 7 import re 8 import subprocess 9 import sys 10 11 """Prints the lowest locally available SDK version greater than or equal to a 12 given minimum sdk version to standard output. 13 14 Usage: 15 python find_sdk.py 10.6 # Ignores SDKs < 10.6 16 """ 17 18 def parse_version(version_str): 19 """'10.6' => [10, 6]""" 20 return map(int, re.findall(r'(\d+)', version_str)) 21 22 def find_sdk_dir(): 23 job = subprocess.Popen(['xcode-select', '-print-path'], 24 stdout=subprocess.PIPE, 25 stderr=subprocess.STDOUT) 26 out, err = job.communicate() 27 if job.returncode != 0: 28 print >>sys.stderr, out 29 print >>sys.stderr, err 30 raise Exception(('Error %d running xcode-select, you might have to run ' 31 '|sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer| ' 32 'if you are using Xcode 4.') % job.returncode) 33 # The Developer folder moved in Xcode 4.3. 34 xcode43_sdk_path = os.path.join( 35 out.rstrip(), 'Platforms/MacOSX.platform/Developer/SDKs') 36 if os.path.isdir(xcode43_sdk_path): 37 sdk_dir = xcode43_sdk_path 38 else: 39 sdk_dir = os.path.join(out.rstrip(), 'SDKs') 40 41 return sdk_dir 42 43 def main(): 44 min_sdk_version = '10.6' 45 if len(sys.argv) > 1: 46 min_sdk_version = sys.argv[1] 47 48 sdk_dir = find_sdk_dir() 49 50 sdks = [re.findall('^MacOSX(10\.\d+)\.sdk$', s) for s in os.listdir(sdk_dir)] 51 sdks = [s[0] for s in sdks if s] # [['10.5'], ['10.6']] => ['10.5', '10.6'] 52 sdks = [s for s in sdks # ['10.5', '10.6'] => ['10.6'] 53 if parse_version(s) >= parse_version(min_sdk_version)] 54 if not sdks: 55 raise Exception('No %s+ SDK found' % min_sdk_version) 56 best_sdk = min(sdks, key=parse_version) 57 58 return best_sdk 59 60 if __name__ == '__main__': 61 if sys.platform != 'darwin': 62 raise Exception("This script only runs on Mac") 63 print main() 64
