blob: 9a00f96c418bcfd213fd39b7ccdd238df6b0b441 [file] [log] [blame]
"""Rewrites paths in -I, -L and other option to be relative to a sysroot."""
import sys
import os
def RewritePath(path, sysroot):
"""Rewrites a path by prefixing it with the sysroot if it is absolute."""
if os.path.isabs(path):
path = path.lstrip('/')
return os.path.join(sysroot, path)
return path
def RewriteLine(line, sysroot):
"""Rewrites all the paths in recognized options."""
args = line.split()
count = len(args)
i = 0
while i < count:
for prefix in REWRITE_PREFIX:
# The option can be either in the form "-I /path/to/dir" or
# "-I/path/to/dir" so handle both.
if args[i] == prefix:
i += 1
args[i] = RewritePath(args[i], sysroot)
except IndexError:
sys.stderr.write('Missing argument following %s\n' % prefix)
elif args[i].startswith(prefix):
args[i] = prefix + RewritePath(args[i][len(prefix):], sysroot)
i += 1
return ' '.join(args)
def main(argv):
sysroot = argv[1]
except IndexError:
sys.stderr.write('usage: %s /path/to/sysroot\n' % argv[0])
return 1
for line in sys.stdin.readlines():
line = RewriteLine(line.strip(), sysroot)
print line
return 0
if __name__ == '__main__':