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buildit.py
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buildit.py
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#! /usr/bin/env python3
# Copyright(c) 2020, Intel Corporation
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# * Neither the name of Intel Corporation nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
import argparse
import json
import logging
import os
import re
import subprocess
import sys
from pathlib import Path
def get_config(cfgname, cfgfile):
cfg = {'default': {'build_dir': 'default'}}
if not Path(cfgfile).exists():
logging.warning(f'{cfgfile} not found')
else:
with open(cfgfile, 'r') as fp:
cfg.update(json.load(fp))
user_cfgfile = Path('~/.build.json').expanduser()
if user_cfgfile.exists():
with user_cfgfile.open('r') as fp:
cfg.update(json.load(fp))
if cfgname not in cfg:
raise SystemExit(f'{cfgname} not defined')
build_cfg = cfg[cfgname]
if 'from' in build_cfg:
cfgbase = build_cfg['from']
if cfgbase not in cfg:
raise SystemExit(f'from({cfgbase}) not defined')
from_cfg = cfg[cfgbase]
from_cfg.update(build_cfg)
build_cfg = from_cfg
return build_cfg
def run(cmd, **kwargs):
logging.info(' '.join(cmd))
subprocess.run(cmd, **kwargs)
def configure(cfgname,
cfgfile='.build.json', stdout=sys.stdout, stderr=sys.stderr):
root = Path.cwd()
cfg = get_config(cfgname, cfgfile)
version = '{}.{}'.format(*sys.version_info[:2])
cfg.setdefault('defs', {})['OPAE_PYTHON_VERSION'] = version
build_dir = Path('.build', cfg.get('build_dir', cfgname))
cmd = ['cmake', str(root)]
if 'build_type' in cfg:
cmd.append(f'-DCMAKE_BUILD_TYPE={cfg["build_type"]}')
for k, v in cfg.get('defs', {}).items():
cmd.append(f'-D{k}={v}')
if not build_dir.exists():
build_dir.mkdir(parents=True)
else:
logging.warning(f'{build_dir} already exists')
run(cmd, cwd=str(build_dir), stdout=stdout, stderr=stderr)
return build_dir
def buildit(build_dir, targets=[], stdout=sys.stdout, stderr=sys.stderr):
nproc = str(os.cpu_count())
build_cmd = ['make'] + targets
try:
run(build_cmd + ['-j', nproc],
cwd=str(build_dir), stdout=stdout, stderr=stderr)
except subprocess.CalledProcessError as err:
logging.error(err)
run(build_cmd, cwd=str(build_dir), stdout=stdout, stderr=stderr)
def smart_targets(build_dir, files_in):
with Path(build_dir, 'compile_commands.json').open('r') as fp:
ccmds = json.load(fp)
compile_targets = {}
for cmd in ccmds:
cmd_dir = Path(cmd['directory'])
if cmd_dir.joinpath('Makefile').exists():
compile_targets[cmd['file']] = cmd_dir.stem
common = set(files_in).intersection(set(compile_targets.keys()))
targets = [compile_targets[f] for f in common]
match_depends(build_dir, files_in, targets)
return list(set(targets))
TARGET_RE = re.compile('(?P<target>.*?): (?P<file>.*)')
def match_depends(build_dir, files_in, targets):
for root, dirs, files in os.walk(build_dir):
if 'depend.make' in files:
root_dir = Path(root)
target_name = str(root_dir.stem).rstrip('.dir')
if target_name in targets:
continue
with Path(root, 'depend.make').open('r') as fp:
lines = [ln for ln in fp.readlines() if not ln.startswith('#')]
for ln in lines:
m = TARGET_RE.match(ln.strip())
if m:
dep_file = m.group('file')
if Path(dep_file).is_absolute():
continue
abs_f = Path(build_dir, m.group('file')).resolve()
if str(abs_f) in files_in:
targets.append(target_name)
def clean(build_dir):
run(['make', 'clean'], cwd=build_dir)
def main(args=None):
parser = argparse.ArgumentParser()
parser.add_argument('cfgname', nargs='?',
help='name of configuration')
parser.add_argument('-c', '--cfgfile', default='.build.json',
help='path to configuration file')
parser.add_argument('-t', '--targets', nargs='*', default=[],
help='list of targets to build')
parser.add_argument('--output', type=argparse.FileType('w'),
help='redirect stdout and stderr to file')
parser.add_argument('--smart-targets', nargs='*', default=[],
help='build targets that depend on files')
parser.add_argument('--git-modified', action='store_true', default=False,
help='build targets affected by git modified files')
parser.add_argument('--clean', action='store_true', default=False,
help='run make clean before building')
args = parser.parse_args(args=args)
logging.basicConfig(level=logging.NOTSET)
cfgname = args.cfgname or 'default'
stdout = args.output or sys.stdout
stderr = args.output or sys.stderr
build_dir = configure(cfgname, args.cfgfile, stdout=stdout, stderr=stderr)
if args.git_modified:
output = subprocess.check_output(['git', 'ls-files', '-m']).strip()
if output:
args.smart_targets.extend(output.decode().split('\n'))
if args.smart_targets:
abs_files = [os.path.abspath(p) for p in args.smart_targets]
targets = smart_targets(build_dir, abs_files)
else:
targets = args.targets
if args.clean:
clean(build_dir)
buildit(build_dir, targets=targets, stdout=stdout, stderr=stderr)
if __name__ == '__main__':
main()