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#! /usr/bin/env python
# Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved.
#
# 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 Code Aurora 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, FITNESS FOR A PARTICULAR PURPOSE AND
# NON-INFRINGEMENT 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.
# Build the kernel for all targets using the Android build environment.
#
# TODO: Accept arguments to indicate what to build.
import glob
from optparse import OptionParser
import subprocess
import os
import os.path
import shutil
import sys
version = 'build-all.py, version 0.01'
build_dir = '../all-kernels'
make_command = ["vmlinux", "modules"]
make_env = os.environ
make_env.update({
'ARCH': 'arm',
'CROSS_COMPILE': 'arm-none-linux-gnueabi-',
'KCONFIG_NOTIMESTAMP': 'true' })
all_options = {}
def error(msg):
sys.stderr.write("error: %s\n" % msg)
def fail(msg):
"""Fail with a user-printed message"""
error(msg)
sys.exit(1)
def check_kernel():
"""Ensure that PWD is a kernel directory"""
if (not os.path.isfile('MAINTAINERS') or
not os.path.isfile('arch/arm/mach-msm/Kconfig')):
fail("This doesn't seem to be an MSM kernel dir")
def check_build():
"""Ensure that the build directory is present."""
if not os.path.isdir(build_dir):
try:
os.makedirs(build_dir)
except OSError as exc:
if exc.errno == errno.EEXIST:
pass
else:
raise
def update_config(file, str):
print 'Updating %s with \'%s\'\n' % (file, str)
defconfig = open(file, 'a')
defconfig.write(str + '\n')
defconfig.close()
def scan_configs():
"""Get the full list of defconfigs appropriate for this tree."""
names = {}
for n in glob.glob('arch/arm/configs/[fm]sm[0-9-]*_defconfig'):
names[os.path.basename(n)[:-10]] = n
for n in glob.glob('arch/arm/configs/qsd*_defconfig'):
names[os.path.basename(n)[:-10]] = n
for n in glob.glob('arch/arm/configs/apq*_defconfig'):
names[os.path.basename(n)[:-10]] = n
return names
class Builder:
def __init__(self, logname):
self.logname = logname
self.fd = open(logname, 'w')
def run(self, args):
devnull = open('/dev/null', 'r')
proc = subprocess.Popen(args, stdin=devnull,
env=make_env,
bufsize=0,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
count = 0
# for line in proc.stdout:
rawfd = proc.stdout.fileno()
while True:
line = os.read(rawfd, 1024)
if not line:
break
self.fd.write(line)
self.fd.flush()
if all_options.verbose:
sys.stdout.write(line)
sys.stdout.flush()
else:
for i in range(line.count('\n')):
count += 1
if count == 64:
count = 0
print
sys.stdout.write('.')
sys.stdout.flush()
print
result = proc.wait()
self.fd.close()
return result
failed_targets = []
def build(target):
dest_dir = os.path.join(build_dir, target)
log_name = '%s/log-%s.log' % (build_dir, target)
print 'Building %s in %s log %s' % (target, dest_dir, log_name)
if not os.path.isdir(dest_dir):
os.mkdir(dest_dir)
defconfig = 'arch/arm/configs/%s_defconfig' % target
dotconfig = '%s/.config' % dest_dir
savedefconfig = '%s/defconfig' % dest_dir
shutil.copyfile(defconfig, dotconfig)
devnull = open('/dev/null', 'r')
subprocess.check_call(['make', 'O=%s' % dest_dir,
'%s_defconfig' % target], env=make_env, stdin=devnull)
devnull.close()
if not all_options.updateconfigs:
build = Builder(log_name)
result = build.run(['make', 'O=%s' % dest_dir] + make_command)
if result != 0:
if all_options.keep_going:
failed_targets.append(target)
fail_or_error = error
else:
fail_or_error = fail
fail_or_error("Failed to build %s, see %s" % (target, build.logname))
# Copy the defconfig back.
if all_options.configs or all_options.updateconfigs:
devnull = open('/dev/null', 'r')
subprocess.check_call(['make', 'O=%s' % dest_dir,
'savedefconfig'], env=make_env, stdin=devnull)
devnull.close()
shutil.copyfile(savedefconfig, defconfig)
def build_many(allconf, targets):
print "Building %d target(s)" % len(targets)
for target in targets:
if all_options.updateconfigs:
update_config(allconf[target], all_options.updateconfigs)
build(target)
if failed_targets:
fail('\n '.join(["Failed targets:"] +
[target for target in failed_targets]))
def main():
global make_command
check_kernel()
check_build()
configs = scan_configs()
usage = ("""
%prog [options] all -- Build all targets
%prog [options] target target ... -- List specific targets
%prog [options] perf -- Build all perf targets
%prog [options] noperf -- Build all non-perf targets""")
parser = OptionParser(usage=usage, version=version)
parser.add_option('--configs', action='store_true',
dest='configs',
help="Copy configs back into tree")
parser.add_option('--list', action='store_true',
dest='list',
help='List available targets')
parser.add_option('-v', '--verbose', action='store_true',
dest='verbose',
help='Output to stdout in addition to log file')
parser.add_option('--oldconfig', action='store_true',
dest='oldconfig',
help='Only process "make oldconfig"')
parser.add_option('--updateconfigs',
dest='updateconfigs',
help="Update defconfigs with provided option setting, "
"e.g. --updateconfigs=\'CONFIG_USE_THING=y\'")
parser.add_option('-j', '--jobs', type='int', dest="jobs",
help="Number of simultaneous jobs")
parser.add_option('-l', '--load-average', type='int',
dest='load_average',
help="Don't start multiple jobs unless load is below LOAD_AVERAGE")
parser.add_option('-k', '--keep-going', action='store_true',
dest='keep_going', default=False,
help="Keep building other targets if a target fails")
parser.add_option('-m', '--make-target', action='append',
help='Build the indicated make target (default: %s)' %
' '.join(make_command))
(options, args) = parser.parse_args()
global all_options
all_options = options
if options.list:
print "Available targets:"
for target in configs.keys():
print " %s" % target
sys.exit(0)
if options.oldconfig:
make_command = ["oldconfig"]
elif options.make_target:
make_command = options.make_target
if options.jobs:
make_command.append("-j%d" % options.jobs)
if options.load_average:
make_command.append("-l%d" % options.load_average)
if args == ['all']:
build_many(configs, configs.keys())
elif args == ['perf']:
targets = []
for t in configs.keys():
if "perf" in t:
targets.append(t)
build_many(configs, targets)
elif args == ['noperf']:
targets = []
for t in configs.keys():
if "perf" not in t:
targets.append(t)
build_many(configs, targets)
elif len(args) > 0:
targets = []
for t in args:
if t not in configs.keys():
parser.error("Target '%s' not one of %s" % (t, configs.keys()))
targets.append(t)
build_many(configs, targets)
else:
parser.error("Must specify a target to build, or 'all'")
if __name__ == "__main__":
main()