blob: b6108453bf9051ee8a52ff767371bca756ba46bf [file] [log] [blame]
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright 2018 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Wrapper of pkg-config command line to format output for gn.
Parses the pkg-config output and format it into json,
so that it can be used in GN files easily.
Usage:
pkg-config_wrapper.py pkg-config pkg1 pkg2 ...
Specifically, this script does not expect any additional flags.
"""
from __future__ import print_function
import json
import shlex
import sys
import subprocess
def get_shell_output(cmd):
"""Run |cmd| and return output as a list."""
output = subprocess.check_output(cmd, encoding='utf-8')
return shlex.split(output)
def main(argv):
cflags = get_shell_output(argv + ['--cflags'])
libs = []
lib_dirs = []
ldflags = []
for ldflag in get_shell_output(argv + ['--libs']):
if ldflag.startswith('-l'):
# Strip -l.
libs.append(ldflag[2:])
elif ldflag.startswith('-L'):
# Strip -L.
lib_dirs.append(ldflag[2:])
else:
ldflags.append(ldflag)
# Set sort_keys=True for stabilization.
result = {
'cflags': cflags,
'libs': libs,
'lib_dirs': lib_dirs,
'ldflags': ldflags,
}
json.dump(result, sys.stdout, sort_keys=True)
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))