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comparison: media/webrtc/trunk/build/linux/rewrite_dirs.py
media/webrtc/trunk/build/linux/rewrite_dirs.py
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:f6ff607d22c3 |
|---|---|
| 1 #!/usr/bin/env python | |
| 2 # Copyright (c) 2011 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 """Rewrites paths in -I, -L and other option to be relative to a sysroot.""" | |
| 7 | |
| 8 import sys | |
| 9 import os | |
| 10 import optparse | |
| 11 | |
| 12 REWRITE_PREFIX = ['-I', | |
| 13 '-idirafter', | |
| 14 '-imacros', | |
| 15 '-imultilib', | |
| 16 '-include', | |
| 17 '-iprefix', | |
| 18 '-iquote', | |
| 19 '-isystem', | |
| 20 '-L'] | |
| 21 | |
| 22 def RewritePath(path, opts): | |
| 23 """Rewrites a path by stripping the prefix and prepending the sysroot.""" | |
| 24 sysroot = opts.sysroot | |
| 25 prefix = opts.strip_prefix | |
| 26 if os.path.isabs(path) and not path.startswith(sysroot): | |
| 27 if path.startswith(prefix): | |
| 28 path = path[len(prefix):] | |
| 29 path = path.lstrip('/') | |
| 30 return os.path.join(sysroot, path) | |
| 31 else: | |
| 32 return path | |
| 33 | |
| 34 | |
| 35 def RewriteLine(line, opts): | |
| 36 """Rewrites all the paths in recognized options.""" | |
| 37 args = line.split() | |
| 38 count = len(args) | |
| 39 i = 0 | |
| 40 while i < count: | |
| 41 for prefix in REWRITE_PREFIX: | |
| 42 # The option can be either in the form "-I /path/to/dir" or | |
| 43 # "-I/path/to/dir" so handle both. | |
| 44 if args[i] == prefix: | |
| 45 i += 1 | |
| 46 try: | |
| 47 args[i] = RewritePath(args[i], opts) | |
| 48 except IndexError: | |
| 49 sys.stderr.write('Missing argument following %s\n' % prefix) | |
| 50 break | |
| 51 elif args[i].startswith(prefix): | |
| 52 args[i] = prefix + RewritePath(args[i][len(prefix):], opts) | |
| 53 i += 1 | |
| 54 | |
| 55 return ' '.join(args) | |
| 56 | |
| 57 | |
| 58 def main(argv): | |
| 59 parser = optparse.OptionParser() | |
| 60 parser.add_option('-s', '--sysroot', default='/', help='sysroot to prepend') | |
| 61 parser.add_option('-p', '--strip-prefix', default='', help='prefix to strip') | |
| 62 opts, args = parser.parse_args(argv[1:]) | |
| 63 | |
| 64 for line in sys.stdin.readlines(): | |
| 65 line = RewriteLine(line.strip(), opts) | |
| 66 print line | |
| 67 return 0 | |
| 68 | |
| 69 | |
| 70 if __name__ == '__main__': | |
| 71 sys.exit(main(sys.argv)) |
