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#!/usr/bin/env python
# Prepare the build system within the extensible SDK
import sys
import os
import subprocess
import signal
def reenable_sigint():
signal.signal(signal.SIGINT, signal.SIG_DFL)
def run_command_interruptible(cmd):
"""
Run a command with output displayed on the console, but ensure any Ctrl+C is
processed only by the child process.
"""
signal.signal(signal.SIGINT, signal.SIG_IGN)
try:
ret = subprocess.call(cmd, shell=True, preexec_fn=reenable_sigint)
finally:
signal.signal(signal.SIGINT, signal.SIG_DFL)
return ret
def get_last_consolelog():
'''Return the most recent console log file'''
logdir = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'tmp', 'log', 'cooker')
if os.path.exists(logdir):
mcdir = os.listdir(logdir)
if mcdir:
logdir = os.path.join(logdir, mcdir[0])
logfiles = [os.path.join(logdir, fn) for fn in os.listdir(logdir)]
logfiles.sort(key=os.path.getmtime)
if logfiles:
return os.path.join(logdir, logfiles[-1])
return None
def main():
if len(sys.argv) < 2:
print('Please specify output log file')
return 1
logfile = sys.argv[1]
if len(sys.argv) < 3:
sdk_targets = []
else:
sdk_targets = ' '.join(sys.argv[2:]).split()
if not sdk_targets:
# Just do a parse so the cache is primed
ret = run_command_interruptible('bitbake -p --quiet')
return ret
with open(logfile, 'a') as logf:
logf.write('Preparing SDK for %s...\n' % ', '.join(sdk_targets))
ret = run_command_interruptible('BB_SETSCENE_ENFORCE=1 bitbake --quiet %s' % ' '.join(sdk_targets))
lastlog = get_last_consolelog()
if lastlog:
with open(lastlog, 'r') as f:
for line in f:
logf.write(line)
if ret:
print('ERROR: SDK preparation failed: see %s' % logfile)
return ret
if __name__ == "__main__":
try:
ret = main()
except Exception:
ret = 1
import traceback
traceback.print_exc()
sys.exit(ret)
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