| # SPDX-License-Identifier: GPL-2.0+ |
| # Copyright (c) 2014 Google, Inc |
| # |
| |
| """Implementation the bulider threads |
| |
| This module provides the BuilderThread class, which handles calling the builder |
| based on the jobs provided. |
| """ |
| |
| import errno |
| import glob |
| import io |
| import os |
| import shutil |
| import sys |
| import threading |
| |
| from buildman import cfgutil |
| from patman import gitutil |
| from u_boot_pylib import command |
| |
| RETURN_CODE_RETRY = -1 |
| BASE_ELF_FILENAMES = ['u-boot', 'spl/u-boot-spl', 'tpl/u-boot-tpl'] |
| |
| def mkdir(dirname, parents=False): |
| """Make a directory if it doesn't already exist. |
| |
| Args: |
| dirname (str): Directory to create |
| parents (bool): True to also make parent directories |
| |
| Raises: |
| OSError: File already exists |
| """ |
| try: |
| if parents: |
| os.makedirs(dirname) |
| else: |
| os.mkdir(dirname) |
| except OSError as err: |
| if err.errno == errno.EEXIST: |
| if os.path.realpath('.') == os.path.realpath(dirname): |
| print(f"Cannot create the current working directory '{dirname}'!") |
| sys.exit(1) |
| else: |
| raise |
| |
| |
| def _remove_old_outputs(out_dir): |
| """Remove any old output-target files |
| |
| Args: |
| out_dir (str): Output directory for the build |
| |
| Since we use a build directory that was previously used by another |
| board, it may have produced an SPL image. If we don't remove it (i.e. |
| see do_config and self.mrproper below) then it will appear to be the |
| output of this build, even if it does not produce SPL images. |
| """ |
| for elf in BASE_ELF_FILENAMES: |
| fname = os.path.join(out_dir, elf) |
| if os.path.exists(fname): |
| os.remove(fname) |
| |
| |
| def copy_files(out_dir, build_dir, dirname, patterns): |
| """Copy files from the build directory to the output. |
| |
| Args: |
| out_dir (str): Path to output directory containing the files |
| build_dir (str): Place to copy the files |
| dirname (str): Source directory, '' for normal U-Boot, 'spl' for SPL |
| patterns (list of str): A list of filenames to copy, each relative |
| to the build directory |
| """ |
| for pattern in patterns: |
| file_list = glob.glob(os.path.join(out_dir, dirname, pattern)) |
| for fname in file_list: |
| target = os.path.basename(fname) |
| if dirname: |
| base, ext = os.path.splitext(target) |
| if ext: |
| target = f'{base}-{dirname}{ext}' |
| shutil.copy(fname, os.path.join(build_dir, target)) |
| |
| |
| # pylint: disable=R0903 |
| class BuilderJob: |
| """Holds information about a job to be performed by a thread |
| |
| Members: |
| brd: Board object to build |
| commits: List of Commit objects to build |
| keep_outputs: True to save build output files |
| step: 1 to process every commit, n to process every nth commit |
| work_in_output: Use the output directory as the work directory and |
| don't write to a separate output directory. |
| """ |
| def __init__(self): |
| self.brd = None |
| self.commits = [] |
| self.keep_outputs = False |
| self.step = 1 |
| self.work_in_output = False |
| |
| |
| class ResultThread(threading.Thread): |
| """This thread processes results from builder threads. |
| |
| It simply passes the results on to the builder. There is only one |
| result thread, and this helps to serialise the build output. |
| """ |
| def __init__(self, builder): |
| """Set up a new result thread |
| |
| Args: |
| builder: Builder which will be sent each result |
| """ |
| threading.Thread.__init__(self) |
| self.builder = builder |
| |
| def run(self): |
| """Called to start up the result thread. |
| |
| We collect the next result job and pass it on to the build. |
| """ |
| while True: |
| result = self.builder.out_queue.get() |
| self.builder.process_result(result) |
| self.builder.out_queue.task_done() |
| |
| |
| class BuilderThread(threading.Thread): |
| """This thread builds U-Boot for a particular board. |
| |
| An input queue provides each new job. We run 'make' to build U-Boot |
| and then pass the results on to the output queue. |
| |
| Members: |
| builder: The builder which contains information we might need |
| thread_num: Our thread number (0-n-1), used to decide on a |
| temporary directory. If this is -1 then there are no threads |
| and we are the (only) main process |
| mrproper: Use 'make mrproper' before each reconfigure |
| per_board_out_dir: True to build in a separate persistent directory per |
| board rather than a thread-specific directory |
| test_exception: Used for testing; True to raise an exception instead of |
| reporting the build result |
| """ |
| def __init__(self, builder, thread_num, mrproper, per_board_out_dir, |
| test_exception=False): |
| """Set up a new builder thread""" |
| threading.Thread.__init__(self) |
| self.builder = builder |
| self.thread_num = thread_num |
| self.mrproper = mrproper |
| self.per_board_out_dir = per_board_out_dir |
| self.test_exception = test_exception |
| self.toolchain = None |
| |
| def make(self, commit, brd, stage, cwd, *args, **kwargs): |
| """Run 'make' on a particular commit and board. |
| |
| The source code will already be checked out, so the 'commit' |
| argument is only for information. |
| |
| Args: |
| commit (Commit): Commit that is being built |
| brd (Board): Board that is being built |
| stage (str): Stage of the build. Valid stages are: |
| mrproper - can be called to clean source |
| config - called to configure for a board |
| build - the main make invocation - it does the build |
| cwd (str): Working directory to set, or None to leave it alone |
| *args (list of str): Arguments to pass to 'make' |
| **kwargs (dict): A list of keyword arguments to pass to |
| command.run_pipe() |
| |
| Returns: |
| CommandResult object |
| """ |
| return self.builder.do_make(commit, brd, stage, cwd, *args, |
| **kwargs) |
| |
| def _build_args(self, brd, out_dir, out_rel_dir, work_dir, commit_upto): |
| """Set up arguments to the args list based on the settings |
| |
| Args: |
| brd (Board): Board to create arguments for |
| out_dir (str): Path to output directory containing the files |
| out_rel_dir (str): Output directory relative to the current dir |
| work_dir (str): Directory to which the source will be checked out |
| commit_upto (int): Commit number to build (0...n-1) |
| |
| Returns: |
| tuple: |
| list of str: Arguments to pass to make |
| str: Current working directory, or None if no commit |
| str: Source directory (typically the work directory) |
| """ |
| args = [] |
| cwd = work_dir |
| src_dir = os.path.realpath(work_dir) |
| if not self.builder.in_tree: |
| if commit_upto is None: |
| # In this case we are building in the original source directory |
| # (i.e. the current directory where buildman is invoked. The |
| # output directory is set to this thread's selected work |
| # directory. |
| # |
| # Symlinks can confuse U-Boot's Makefile since we may use '..' |
| # in our path, so remove them. |
| real_dir = os.path.realpath(out_dir) |
| args.append(f'O={real_dir}') |
| cwd = None |
| src_dir = os.getcwd() |
| else: |
| args.append(f'O={out_rel_dir}') |
| if self.builder.verbose_build: |
| args.append('V=1') |
| else: |
| args.append('-s') |
| if self.builder.num_jobs is not None: |
| args.extend(['-j', str(self.builder.num_jobs)]) |
| if self.builder.warnings_as_errors: |
| args.append('KCFLAGS=-Werror') |
| args.append('HOSTCFLAGS=-Werror') |
| if self.builder.allow_missing: |
| args.append('BINMAN_ALLOW_MISSING=1') |
| if self.builder.no_lto: |
| args.append('NO_LTO=1') |
| if self.builder.reproducible_builds: |
| args.append('SOURCE_DATE_EPOCH=0') |
| args.extend(self.builder.toolchains.GetMakeArguments(brd)) |
| args.extend(self.toolchain.MakeArgs()) |
| return args, cwd, src_dir |
| |
| def _reconfigure(self, commit, brd, cwd, args, env, config_args, config_out, |
| cmd_list): |
| """Reconfigure the build |
| |
| Args: |
| commit (Commit): Commit only being built |
| brd (Board): Board being built |
| cwd (str): Current working directory |
| args (list of str): Arguments to pass to make |
| env (dict): Environment strings |
| config_args (list of str): defconfig arg for this board |
| cmd_list (list of str): List to add the commands to, for logging |
| |
| Returns: |
| CommandResult object |
| """ |
| if self.mrproper: |
| result = self.make(commit, brd, 'mrproper', cwd, 'mrproper', *args, |
| env=env) |
| config_out.write(result.combined) |
| cmd_list.append([self.builder.gnu_make, 'mrproper', *args]) |
| result = self.make(commit, brd, 'config', cwd, *(args + config_args), |
| env=env) |
| cmd_list.append([self.builder.gnu_make] + args + config_args) |
| config_out.write(result.combined) |
| return result |
| |
| def _build(self, commit, brd, cwd, args, env, cmd_list, config_only): |
| """Perform the build |
| |
| Args: |
| commit (Commit): Commit only being built |
| brd (Board): Board being built |
| cwd (str): Current working directory |
| args (list of str): Arguments to pass to make |
| env (dict): Environment strings |
| cmd_list (list of str): List to add the commands to, for logging |
| config_only (bool): True if this is a config-only build (using the |
| 'make cfg' target) |
| |
| Returns: |
| CommandResult object |
| """ |
| if config_only: |
| args.append('cfg') |
| result = self.make(commit, brd, 'build', cwd, *args, env=env) |
| cmd_list.append([self.builder.gnu_make] + args) |
| if (result.return_code == 2 and |
| ('Some images are invalid' in result.stderr)): |
| # This is handled later by the check for output in stderr |
| result.return_code = 0 |
| return result |
| |
| def _read_done_file(self, commit_upto, brd, force_build, |
| force_build_failures): |
| """Check the 'done' file and see if this commit should be built |
| |
| Args: |
| commit (Commit): Commit only being built |
| brd (Board): Board being built |
| force_build (bool): Force a build even if one was previously done |
| force_build_failures (bool): Force a bulid if the previous result |
| showed failure |
| |
| Returns: |
| tuple: |
| bool: True if build should be built |
| CommandResult: if there was a previous run: |
| - already_done set to True |
| - return_code set to return code |
| - result.stderr set to 'bad' if stderr output was recorded |
| """ |
| result = command.CommandResult() |
| done_file = self.builder.get_done_file(commit_upto, brd.target) |
| result.already_done = os.path.exists(done_file) |
| will_build = (force_build or force_build_failures or |
| not result.already_done) |
| if result.already_done: |
| with open(done_file, 'r', encoding='utf-8') as outf: |
| try: |
| result.return_code = int(outf.readline()) |
| except ValueError: |
| # The file may be empty due to running out of disk space. |
| # Try a rebuild |
| result.return_code = RETURN_CODE_RETRY |
| |
| # Check the signal that the build needs to be retried |
| if result.return_code == RETURN_CODE_RETRY: |
| will_build = True |
| elif will_build: |
| err_file = self.builder.get_err_file(commit_upto, brd.target) |
| if os.path.exists(err_file) and os.stat(err_file).st_size: |
| result.stderr = 'bad' |
| elif not force_build: |
| # The build passed, so no need to build it again |
| will_build = False |
| return will_build, result |
| |
| def _decide_dirs(self, brd, work_dir, work_in_output): |
| """Decide the output directory to use |
| |
| Args: |
| work_dir (str): Directory to which the source will be checked out |
| work_in_output (bool): Use the output directory as the work |
| directory and don't write to a separate output directory. |
| |
| Returns: |
| tuple: |
| out_dir (str): Output directory for the build |
| out_rel_dir (str): Output directory relatie to the current dir |
| """ |
| if work_in_output or self.builder.in_tree: |
| out_rel_dir = None |
| out_dir = work_dir |
| else: |
| if self.per_board_out_dir: |
| out_rel_dir = os.path.join('..', brd.target) |
| else: |
| out_rel_dir = 'build' |
| out_dir = os.path.join(work_dir, out_rel_dir) |
| return out_dir, out_rel_dir |
| |
| def _checkout(self, commit_upto, work_dir): |
| """Checkout the right commit |
| |
| Args: |
| commit_upto (int): Commit number to build (0...n-1) |
| work_dir (str): Directory to which the source will be checked out |
| |
| Returns: |
| Commit: Commit being built, or 'current' for current source |
| """ |
| if self.builder.commits: |
| commit = self.builder.commits[commit_upto] |
| if self.builder.checkout: |
| git_dir = os.path.join(work_dir, '.git') |
| gitutil.checkout(commit.hash, git_dir, work_dir, force=True) |
| else: |
| commit = 'current' |
| return commit |
| |
| def _config_and_build(self, commit_upto, brd, work_dir, do_config, |
| config_only, adjust_cfg, commit, out_dir, out_rel_dir, |
| result): |
| """Do the build, configuring first if necessary |
| |
| Args: |
| commit_upto (int): Commit number to build (0...n-1) |
| brd (Board): Board to create arguments for |
| work_dir (str): Directory to which the source will be checked out |
| do_config (bool): True to run a make <board>_defconfig on the source |
| config_only (bool): Only configure the source, do not build it |
| adjust_cfg (list of str): See the cfgutil module and run_commit() |
| commit (Commit): Commit only being built |
| out_dir (str): Output directory for the build |
| out_rel_dir (str): Output directory relatie to the current dir |
| result (CommandResult): Previous result |
| |
| Returns: |
| tuple: |
| result (CommandResult): Result of the build |
| do_config (bool): indicates whether 'make config' is needed on |
| the next incremental build |
| """ |
| # Set up the environment and command line |
| env = self.toolchain.MakeEnvironment(self.builder.full_path) |
| mkdir(out_dir) |
| |
| args, cwd, src_dir = self._build_args(brd, out_dir, out_rel_dir, |
| work_dir, commit_upto) |
| config_args = [f'{brd.target}_defconfig'] |
| config_out = io.StringIO() |
| |
| _remove_old_outputs(out_dir) |
| |
| # If we need to reconfigure, do that now |
| cfg_file = os.path.join(out_dir, '.config') |
| cmd_list = [] |
| if do_config or adjust_cfg: |
| result = self._reconfigure( |
| commit, brd, cwd, args, env, config_args, config_out, cmd_list) |
| do_config = False # No need to configure next time |
| if adjust_cfg: |
| cfgutil.adjust_cfg_file(cfg_file, adjust_cfg) |
| |
| # Now do the build, if everything looks OK |
| if result.return_code == 0: |
| result = self._build(commit, brd, cwd, args, env, cmd_list, |
| config_only) |
| if adjust_cfg: |
| errs = cfgutil.check_cfg_file(cfg_file, adjust_cfg) |
| if errs: |
| result.stderr += errs |
| result.return_code = 1 |
| result.stderr = result.stderr.replace(src_dir + '/', '') |
| if self.builder.verbose_build: |
| result.stdout = config_out.getvalue() + result.stdout |
| result.cmd_list = cmd_list |
| return result, do_config |
| |
| def run_commit(self, commit_upto, brd, work_dir, do_config, config_only, |
| force_build, force_build_failures, work_in_output, |
| adjust_cfg): |
| """Build a particular commit. |
| |
| If the build is already done, and we are not forcing a build, we skip |
| the build and just return the previously-saved results. |
| |
| Args: |
| commit_upto (int): Commit number to build (0...n-1) |
| brd (Board): Board to build |
| work_dir (str): Directory to which the source will be checked out |
| do_config (bool): True to run a make <board>_defconfig on the source |
| config_only (bool): Only configure the source, do not build it |
| force_build (bool): Force a build even if one was previously done |
| force_build_failures (bool): Force a bulid if the previous result |
| showed failure |
| work_in_output (bool) : Use the output directory as the work |
| directory and don't write to a separate output directory. |
| adjust_cfg (list of str): List of changes to make to .config file |
| before building. Each is one of (where C is either CONFIG_xxx |
| or just xxx): |
| C to enable C |
| ~C to disable C |
| C=val to set the value of C (val must have quotes if C is |
| a string Kconfig |
| |
| Returns: |
| tuple containing: |
| - CommandResult object containing the results of the build |
| - boolean indicating whether 'make config' is still needed |
| """ |
| # Create a default result - it will be overwritte by the call to |
| # self.make() below, in the event that we do a build. |
| out_dir, out_rel_dir = self._decide_dirs(brd, work_dir, work_in_output) |
| |
| # Check if the job was already completed last time |
| will_build, result = self._read_done_file(commit_upto, brd, force_build, |
| force_build_failures) |
| |
| if will_build: |
| # We are going to have to build it. First, get a toolchain |
| if not self.toolchain: |
| try: |
| self.toolchain = self.builder.toolchains.Select(brd.arch) |
| except ValueError as err: |
| result.return_code = 10 |
| result.stdout = '' |
| result.stderr = f'Tool chain error for {brd.arch}: {str(err)}' |
| |
| if self.toolchain: |
| commit = self._checkout(commit_upto, work_dir) |
| result, do_config = self._config_and_build( |
| commit_upto, brd, work_dir, do_config, config_only, |
| adjust_cfg, commit, out_dir, out_rel_dir, result) |
| result.already_done = False |
| |
| result.toolchain = self.toolchain |
| result.brd = brd |
| result.commit_upto = commit_upto |
| result.out_dir = out_dir |
| return result, do_config |
| |
| def _write_result(self, result, keep_outputs, work_in_output): |
| """Write a built result to the output directory. |
| |
| Args: |
| result (CommandResult): result to write |
| keep_outputs (bool): True to store the output binaries, False |
| to delete them |
| work_in_output (bool): Use the output directory as the work |
| directory and don't write to a separate output directory. |
| """ |
| # If we think this might have been aborted with Ctrl-C, record the |
| # failure but not that we are 'done' with this board. A retry may fix |
| # it. |
| maybe_aborted = result.stderr and 'No child processes' in result.stderr |
| |
| if result.return_code >= 0 and result.already_done: |
| return |
| |
| # Write the output and stderr |
| output_dir = self.builder.get_output_dir(result.commit_upto) |
| mkdir(output_dir) |
| build_dir = self.builder.get_build_dir(result.commit_upto, |
| result.brd.target) |
| mkdir(build_dir) |
| |
| outfile = os.path.join(build_dir, 'log') |
| with open(outfile, 'w', encoding='utf-8') as outf: |
| if result.stdout: |
| outf.write(result.stdout) |
| |
| errfile = self.builder.get_err_file(result.commit_upto, |
| result.brd.target) |
| if result.stderr: |
| with open(errfile, 'w', encoding='utf-8') as outf: |
| outf.write(result.stderr) |
| elif os.path.exists(errfile): |
| os.remove(errfile) |
| |
| # Fatal error |
| if result.return_code < 0: |
| return |
| |
| if result.toolchain: |
| # Write the build result and toolchain information. |
| done_file = self.builder.get_done_file(result.commit_upto, |
| result.brd.target) |
| with open(done_file, 'w', encoding='utf-8') as outf: |
| if maybe_aborted: |
| # Special code to indicate we need to retry |
| outf.write(f'{RETURN_CODE_RETRY}') |
| else: |
| outf.write(f'{result.return_code}') |
| with open(os.path.join(build_dir, 'toolchain'), 'w', |
| encoding='utf-8') as outf: |
| print('gcc', result.toolchain.gcc, file=outf) |
| print('path', result.toolchain.path, file=outf) |
| print('cross', result.toolchain.cross, file=outf) |
| print('arch', result.toolchain.arch, file=outf) |
| outf.write(f'{result.return_code}') |
| |
| # Write out the image and function size information and an objdump |
| env = result.toolchain.MakeEnvironment(self.builder.full_path) |
| with open(os.path.join(build_dir, 'out-env'), 'wb') as outf: |
| for var in sorted(env.keys()): |
| outf.write(b'%s="%s"' % (var, env[var])) |
| |
| with open(os.path.join(build_dir, 'out-cmd'), 'w', |
| encoding='utf-8') as outf: |
| for cmd in result.cmd_list: |
| print(' '.join(cmd), file=outf) |
| |
| lines = [] |
| for fname in BASE_ELF_FILENAMES: |
| cmd = [f'{self.toolchain.cross}nm', '--size-sort', fname] |
| nm_result = command.run_pipe([cmd], capture=True, |
| capture_stderr=True, cwd=result.out_dir, |
| raise_on_error=False, env=env) |
| if nm_result.stdout: |
| nm_fname = self.builder.get_func_sizes_file( |
| result.commit_upto, result.brd.target, fname) |
| with open(nm_fname, 'w', encoding='utf-8') as outf: |
| print(nm_result.stdout, end=' ', file=outf) |
| |
| cmd = [f'{self.toolchain.cross}objdump', '-h', fname] |
| dump_result = command.run_pipe([cmd], capture=True, |
| capture_stderr=True, cwd=result.out_dir, |
| raise_on_error=False, env=env) |
| rodata_size = '' |
| if dump_result.stdout: |
| objdump = self.builder.get_objdump_file(result.commit_upto, |
| result.brd.target, fname) |
| with open(objdump, 'w', encoding='utf-8') as outf: |
| print(dump_result.stdout, end=' ', file=outf) |
| for line in dump_result.stdout.splitlines(): |
| fields = line.split() |
| if len(fields) > 5 and fields[1] == '.rodata': |
| rodata_size = fields[2] |
| |
| cmd = [f'{self.toolchain.cross}size', fname] |
| size_result = command.run_pipe([cmd], capture=True, |
| capture_stderr=True, cwd=result.out_dir, |
| raise_on_error=False, env=env) |
| if size_result.stdout: |
| lines.append(size_result.stdout.splitlines()[1] + ' ' + |
| rodata_size) |
| |
| # Extract the environment from U-Boot and dump it out |
| cmd = [f'{self.toolchain.cross}objcopy', '-O', 'binary', |
| '-j', '.rodata.default_environment', |
| 'env/built-in.o', 'uboot.env'] |
| command.run_pipe([cmd], capture=True, |
| capture_stderr=True, cwd=result.out_dir, |
| raise_on_error=False, env=env) |
| if not work_in_output: |
| copy_files(result.out_dir, build_dir, '', ['uboot.env']) |
| |
| # Write out the image sizes file. This is similar to the output |
| # of binutil's 'size' utility, but it omits the header line and |
| # adds an additional hex value at the end of each line for the |
| # rodata size |
| if lines: |
| sizes = self.builder.get_sizes_file(result.commit_upto, |
| result.brd.target) |
| with open(sizes, 'w', encoding='utf-8') as outf: |
| print('\n'.join(lines), file=outf) |
| |
| if not work_in_output: |
| # Write out the configuration files, with a special case for SPL |
| for dirname in ['', 'spl', 'tpl']: |
| copy_files( |
| result.out_dir, build_dir, dirname, |
| ['u-boot.cfg', 'spl/u-boot-spl.cfg', 'tpl/u-boot-tpl.cfg', |
| '.config', 'include/autoconf.mk', |
| 'include/generated/autoconf.h']) |
| |
| # Now write the actual build output |
| if keep_outputs: |
| copy_files( |
| result.out_dir, build_dir, '', |
| ['u-boot*', '*.bin', '*.map', '*.img', 'MLO', 'SPL', |
| 'include/autoconf.mk', 'spl/u-boot-spl*']) |
| |
| def _send_result(self, result): |
| """Send a result to the builder for processing |
| |
| Args: |
| result (CommandResult): results of the build |
| |
| Raises: |
| ValueError: self.test_exception is true (for testing) |
| """ |
| if self.test_exception: |
| raise ValueError('test exception') |
| if self.thread_num != -1: |
| self.builder.out_queue.put(result) |
| else: |
| self.builder.process_result(result) |
| |
| def run_job(self, job): |
| """Run a single job |
| |
| A job consists of a building a list of commits for a particular board. |
| |
| Args: |
| job (Job): Job to build |
| |
| Raises: |
| ValueError: Thread was interrupted |
| """ |
| brd = job.brd |
| work_dir = self.builder.get_thread_dir(self.thread_num) |
| self.toolchain = None |
| if job.commits: |
| # Run 'make board_defconfig' on the first commit |
| do_config = True |
| commit_upto = 0 |
| force_build = False |
| for commit_upto in range(0, len(job.commits), job.step): |
| result, request_config = self.run_commit(commit_upto, brd, |
| work_dir, do_config, self.builder.config_only, |
| force_build or self.builder.force_build, |
| self.builder.force_build_failures, |
| job.work_in_output, job.adjust_cfg) |
| failed = result.return_code or result.stderr |
| did_config = do_config |
| if failed and not do_config: |
| # If our incremental build failed, try building again |
| # with a reconfig. |
| if self.builder.force_config_on_failure: |
| result, request_config = self.run_commit(commit_upto, |
| brd, work_dir, True, False, True, False, |
| job.work_in_output, job.adjust_cfg) |
| did_config = True |
| if not self.builder.force_reconfig: |
| do_config = request_config |
| |
| # If we built that commit, then config is done. But if we got |
| # an warning, reconfig next time to force it to build the same |
| # files that created warnings this time. Otherwise an |
| # incremental build may not build the same file, and we will |
| # think that the warning has gone away. |
| # We could avoid this by using -Werror everywhere... |
| # For errors, the problem doesn't happen, since presumably |
| # the build stopped and didn't generate output, so will retry |
| # that file next time. So we could detect warnings and deal |
| # with them specially here. For now, we just reconfigure if |
| # anything goes work. |
| # Of course this is substantially slower if there are build |
| # errors/warnings (e.g. 2-3x slower even if only 10% of builds |
| # have problems). |
| if (failed and not result.already_done and not did_config and |
| self.builder.force_config_on_failure): |
| # If this build failed, try the next one with a |
| # reconfigure. |
| # Sometimes if the board_config.h file changes it can mess |
| # with dependencies, and we get: |
| # make: *** No rule to make target `include/autoconf.mk', |
| # needed by `depend'. |
| do_config = True |
| force_build = True |
| else: |
| force_build = False |
| if self.builder.force_config_on_failure: |
| if failed: |
| do_config = True |
| result.commit_upto = commit_upto |
| if result.return_code < 0: |
| raise ValueError('Interrupt') |
| |
| # We have the build results, so output the result |
| self._write_result(result, job.keep_outputs, job.work_in_output) |
| self._send_result(result) |
| else: |
| # Just build the currently checked-out build |
| result, request_config = self.run_commit(None, brd, work_dir, True, |
| self.builder.config_only, True, |
| self.builder.force_build_failures, job.work_in_output, |
| job.adjust_cfg) |
| result.commit_upto = 0 |
| self._write_result(result, job.keep_outputs, job.work_in_output) |
| self._send_result(result) |
| |
| def run(self): |
| """Our thread's run function |
| |
| This thread picks a job from the queue, runs it, and then goes to the |
| next job. |
| """ |
| while True: |
| job = self.builder.queue.get() |
| try: |
| self.run_job(job) |
| except Exception as exc: |
| print('Thread exception (use -T0 to run without threads):', |
| exc) |
| self.builder.thread_exceptions.append(exc) |
| self.builder.queue.task_done() |