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#!/usr/bin/env python3
# Copyright 2019 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Library and tool to expand command lines that mention thin archives
# into command lines that mention the contained object files.
import argparse
import sys
from remote_link import RemoteLinkWindows
from remote_ld import RemoteLinkUnix
def main(argv):
ap = argparse.ArgumentParser(
description=('Expand command lines that mention thin archives into '
'command lines that mention the contained object files.'),
usage='%(prog)s [options] -- command line')
ap.add_argument('-o',
'--output',
help=('Write new command line to named file '
'instead of standard output.'))
ap.add_argument('-p', '--linker-prefix',
help='String to prefix linker flags with.',
default='')
ap.add_argument('cmdline',
nargs=argparse.REMAINDER,
help='Command line to expand. Should be preceded by \'--\'.')
args = ap.parse_args(argv[1:])
if not args.cmdline:
ap.print_help(sys.stderr)
return 1
cmdline = args.cmdline
if cmdline[0] == '--':
cmdline = cmdline[1:]
linker_prefix = args.linker_prefix
if linker_prefix == '-Wl,':
linker = RemoteLinkUnix()
else:
linker = RemoteLinkWindows()
rsp_expanded = list(linker.expand_args_rsps(cmdline))
expanded_args = list(linker.expand_thin_archives(rsp_expanded))
if args.output:
output = open(args.output, 'w')
else:
output = sys.stdout
for arg in expanded_args:
output.write('%s\n' % (arg,))
if args.output:
output.close()
return 0
if __name__ == '__main__':
sys.exit(main(sys.argv))
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