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72 lines
2.0 KiB
Python
Executable File
72 lines
2.0 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2011 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Rewrites paths in -I, -L and other option to be relative to a sysroot."""
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import sys
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import os
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import optparse
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REWRITE_PREFIX = ['-I',
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'-idirafter',
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'-imacros',
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'-imultilib',
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'-include',
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'-iprefix',
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'-iquote',
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'-isystem',
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'-L']
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def RewritePath(path, opts):
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"""Rewrites a path by stripping the prefix and prepending the sysroot."""
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sysroot = opts.sysroot
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prefix = opts.strip_prefix
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if os.path.isabs(path) and not path.startswith(sysroot):
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if path.startswith(prefix):
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path = path[len(prefix):]
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path = path.lstrip('/')
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return os.path.join(sysroot, path)
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else:
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return path
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def RewriteLine(line, opts):
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"""Rewrites all the paths in recognized options."""
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args = line.split()
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count = len(args)
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i = 0
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while i < count:
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for prefix in REWRITE_PREFIX:
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# The option can be either in the form "-I /path/to/dir" or
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# "-I/path/to/dir" so handle both.
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if args[i] == prefix:
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i += 1
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try:
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args[i] = RewritePath(args[i], opts)
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except IndexError:
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sys.stderr.write('Missing argument following %s\n' % prefix)
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break
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elif args[i].startswith(prefix):
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args[i] = prefix + RewritePath(args[i][len(prefix):], opts)
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i += 1
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return ' '.join(args)
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def main(argv):
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parser = optparse.OptionParser()
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parser.add_option('-s', '--sysroot', default='/', help='sysroot to prepend')
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parser.add_option('-p', '--strip-prefix', default='', help='prefix to strip')
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opts, args = parser.parse_args(argv[1:])
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for line in sys.stdin.readlines():
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line = RewriteLine(line.strip(), opts)
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print line
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return 0
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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