1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/webrtc/trunk/build/linux/rewrite_dirs.py Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,71 @@
1.4 +#!/usr/bin/env python
1.5 +# Copyright (c) 2011 The Chromium Authors. All rights reserved.
1.6 +# Use of this source code is governed by a BSD-style license that can be
1.7 +# found in the LICENSE file.
1.8 +
1.9 +"""Rewrites paths in -I, -L and other option to be relative to a sysroot."""
1.10 +
1.11 +import sys
1.12 +import os
1.13 +import optparse
1.14 +
1.15 +REWRITE_PREFIX = ['-I',
1.16 + '-idirafter',
1.17 + '-imacros',
1.18 + '-imultilib',
1.19 + '-include',
1.20 + '-iprefix',
1.21 + '-iquote',
1.22 + '-isystem',
1.23 + '-L']
1.24 +
1.25 +def RewritePath(path, opts):
1.26 + """Rewrites a path by stripping the prefix and prepending the sysroot."""
1.27 + sysroot = opts.sysroot
1.28 + prefix = opts.strip_prefix
1.29 + if os.path.isabs(path) and not path.startswith(sysroot):
1.30 + if path.startswith(prefix):
1.31 + path = path[len(prefix):]
1.32 + path = path.lstrip('/')
1.33 + return os.path.join(sysroot, path)
1.34 + else:
1.35 + return path
1.36 +
1.37 +
1.38 +def RewriteLine(line, opts):
1.39 + """Rewrites all the paths in recognized options."""
1.40 + args = line.split()
1.41 + count = len(args)
1.42 + i = 0
1.43 + while i < count:
1.44 + for prefix in REWRITE_PREFIX:
1.45 + # The option can be either in the form "-I /path/to/dir" or
1.46 + # "-I/path/to/dir" so handle both.
1.47 + if args[i] == prefix:
1.48 + i += 1
1.49 + try:
1.50 + args[i] = RewritePath(args[i], opts)
1.51 + except IndexError:
1.52 + sys.stderr.write('Missing argument following %s\n' % prefix)
1.53 + break
1.54 + elif args[i].startswith(prefix):
1.55 + args[i] = prefix + RewritePath(args[i][len(prefix):], opts)
1.56 + i += 1
1.57 +
1.58 + return ' '.join(args)
1.59 +
1.60 +
1.61 +def main(argv):
1.62 + parser = optparse.OptionParser()
1.63 + parser.add_option('-s', '--sysroot', default='/', help='sysroot to prepend')
1.64 + parser.add_option('-p', '--strip-prefix', default='', help='prefix to strip')
1.65 + opts, args = parser.parse_args(argv[1:])
1.66 +
1.67 + for line in sys.stdin.readlines():
1.68 + line = RewriteLine(line.strip(), opts)
1.69 + print line
1.70 + return 0
1.71 +
1.72 +
1.73 +if __name__ == '__main__':
1.74 + sys.exit(main(sys.argv))
