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#!/usr/bin/env python3
import subprocess
import glob
import os
import sys
import re
from argparse import ArgumentParser
__version__ = "0.1"
def main():
FIX_RE = r"([^:]+:)"
parser = ArgumentParser(description="mkdeps for SDCC",
epilog="Copyright (C) 2021 Juan J Martinez <jjm@usebox.net>",
)
parser.add_argument(
"--version", action="version", version="%(prog)s " + __version__)
parser.add_argument("-b", "--build-dir", dest="build", default=None, type=str,
help="Directory to build")
parser.add_argument("-I", "--include", dest="include", default=None, type=str,
help="Include directory")
parser.add_argument("-v", "--verbose", dest="verbose", action="store_true",
help="Enable verbose output")
parser.add_argument("dir", help="Directory to scan")
parser.add_argument("deps", help="Dependencies makefile")
args = parser.parse_args()
fix_path = args.dir if args.build is None else args.build
fix_path = r"%s\1" % (fix_path.rstrip(os.sep) + os.sep)
inc = ["-I%s" % d for d in args.include.split(":")]
cmd = ["sdcc", "-MM"] + inc
result = []
for d in sorted(glob.glob(os.path.join(args.dir, "*.c"))):
if args.verbose:
print("running %r" % ' '.join(cmd + [d]))
out = subprocess.run(cmd + [d], stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
if out.returncode:
sys.exit("Error: %s" % out.stderr)
result.append(re.sub(FIX_RE, fix_path, out.stdout.decode('utf-8')))
try:
old = open(args.deps, "rt").read()
except Exception:
if args.verbose:
print("%r not found, will generate" % args.deps)
old = None
new = ''.join(result)
if new != old:
with open(args.deps, "wt") as fd:
fd.write(new)
else:
if args.verbose:
print("%r didn't change, skipping" % args.deps)
if __name__ == "__main__":
main()
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