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 from optparse import OptionParser 19 20 21 def parse_version(version_str): 22 """'10.6' => [10, 6]""" 23 return map(int, re.findall(r'(\d+)', version_str)) 24 25 26 def main(): 27 parser = OptionParser() 28 parser.add_option("--verify", 29 action="store_true", dest="verify", default=False, 30 help="return the sdk argument and warn if it doesn't exist") 31 parser.add_option("--sdk_path", 32 action="store", type="string", dest="sdk_path", default="", 33 help="user-specified SDK path; bypasses verification") 34 (options, args) = parser.parse_args() 35 min_sdk_version = args[0] 36 37 job = subprocess.Popen(['xcode-select', '-print-path'], 38 stdout=subprocess.PIPE, 39 stderr=subprocess.STDOUT) 40 out, err = job.communicate() 41 if job.returncode != 0: 42 print >>sys.stderr, out 43 print >>sys.stderr, err 44 raise Exception(('Error %d running xcode-select, you might have to run ' 45 '|sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer| ' 46 'if you are using Xcode 4.') % job.returncode) 47 # The Developer folder moved in Xcode 4.3. 48 xcode43_sdk_path = os.path.join( 49 out.rstrip(), 'Platforms/MacOSX.platform/Developer/SDKs') 50 if os.path.isdir(xcode43_sdk_path): 51 sdk_dir = xcode43_sdk_path 52 else: 53 sdk_dir = os.path.join(out.rstrip(), 'SDKs') 54 sdks = [re.findall('^MacOSX(10\.\d+)\.sdk$', s) for s in os.listdir(sdk_dir)] 55 sdks = [s[0] for s in sdks if s] # [['10.5'], ['10.6']] => ['10.5', '10.6'] 56 sdks = [s for s in sdks # ['10.5', '10.6'] => ['10.6'] 57 if parse_version(s) >= parse_version(min_sdk_version)] 58 if not sdks: 59 raise Exception('No %s+ SDK found' % min_sdk_version) 60 best_sdk = sorted(sdks, key=parse_version)[0] 61 62 if options.verify and best_sdk != min_sdk_version and not options.sdk_path: 63 print >>sys.stderr, '' 64 print >>sys.stderr, ' vvvvvvv' 65 print >>sys.stderr, '' 66 print >>sys.stderr, \ 67 'This build requires the %s SDK, but it was not found on your system.' \ 68 % min_sdk_version 69 print >>sys.stderr, \ 70 'Either install it, or explicitly set mac_sdk in your GYP_DEFINES.' 71 print >>sys.stderr, '' 72 print >>sys.stderr, ' ^^^^^^^' 73 print >>sys.stderr, '' 74 return min_sdk_version 75 76 return best_sdk 77 78 79 if __name__ == '__main__': 80 if sys.platform != 'darwin': 81 raise Exception("This script only runs on Mac") 82 print main() 83
