| # This class should provide easy access to the different aspects of the |
| # buildsystem such as layers, bitbake location, etc. |
| # |
| # SDK_LAYERS_EXCLUDE: Layers which will be excluded from SDK layers. |
| # SDK_LAYERS_EXCLUDE_PATTERN: The simiar to SDK_LAYERS_EXCLUDE, this supports |
| # python regular expression, use space as separator, |
| # e.g.: ".*-downloads closed-.*" |
| # |
| |
| import stat |
| import shutil |
| |
| def _smart_copy(src, dest): |
| import subprocess |
| # smart_copy will choose the correct function depending on whether the |
| # source is a file or a directory. |
| mode = os.stat(src).st_mode |
| if stat.S_ISDIR(mode): |
| bb.utils.mkdirhier(dest) |
| cmd = "tar --exclude='.git' --xattrs --xattrs-include='*' -chf - -C %s -p . \ |
| | tar --xattrs --xattrs-include='*' -xf - -C %s" % (src, dest) |
| subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT) |
| else: |
| shutil.copyfile(src, dest) |
| shutil.copymode(src, dest) |
| |
| class BuildSystem(object): |
| def __init__(self, context, d): |
| self.d = d |
| self.context = context |
| self.layerdirs = [os.path.abspath(pth) for pth in d.getVar('BBLAYERS').split()] |
| self.layers_exclude = (d.getVar('SDK_LAYERS_EXCLUDE') or "").split() |
| self.layers_exclude_pattern = d.getVar('SDK_LAYERS_EXCLUDE_PATTERN') |
| |
| def copy_bitbake_and_layers(self, destdir, workspace_name=None): |
| import re |
| # Copy in all metadata layers + bitbake (as repositories) |
| copied_corebase = None |
| layers_copied = [] |
| bb.utils.mkdirhier(destdir) |
| layers = list(self.layerdirs) |
| |
| corebase = os.path.abspath(self.d.getVar('COREBASE')) |
| layers.append(corebase) |
| # The bitbake build system uses the meta-skeleton layer as a layout |
| # for common recipies, e.g: the recipetool script to create kernel recipies |
| # Add the meta-skeleton layer to be included as part of the eSDK installation |
| layers.append(os.path.join(corebase, 'meta-skeleton')) |
| |
| # Exclude layers |
| for layer_exclude in self.layers_exclude: |
| if layer_exclude in layers: |
| bb.note('Excluded %s from sdk layers since it is in SDK_LAYERS_EXCLUDE' % layer_exclude) |
| layers.remove(layer_exclude) |
| |
| if self.layers_exclude_pattern: |
| layers_cp = layers[:] |
| for pattern in self.layers_exclude_pattern.split(): |
| for layer in layers_cp: |
| if re.match(pattern, layer): |
| bb.note('Excluded %s from sdk layers since matched SDK_LAYERS_EXCLUDE_PATTERN' % layer) |
| layers.remove(layer) |
| |
| workspace_newname = workspace_name |
| if workspace_newname: |
| layernames = [os.path.basename(layer) for layer in layers] |
| extranum = 0 |
| while workspace_newname in layernames: |
| extranum += 1 |
| workspace_newname = '%s-%d' % (workspace_name, extranum) |
| |
| corebase_files = self.d.getVar('COREBASE_FILES').split() |
| corebase_files = [corebase + '/' +x for x in corebase_files] |
| # Make sure bitbake goes in |
| bitbake_dir = bb.__file__.rsplit('/', 3)[0] |
| corebase_files.append(bitbake_dir) |
| |
| for layer in layers: |
| layerconf = os.path.join(layer, 'conf', 'layer.conf') |
| layernewname = os.path.basename(layer) |
| workspace = False |
| if os.path.exists(layerconf): |
| with open(layerconf, 'r') as f: |
| if f.readline().startswith("# ### workspace layer auto-generated by devtool ###"): |
| if workspace_newname: |
| layernewname = workspace_newname |
| workspace = True |
| else: |
| bb.plain("NOTE: Excluding local workspace layer %s from %s" % (layer, self.context)) |
| continue |
| |
| # If the layer was already under corebase, leave it there |
| # since layers such as meta have issues when moved. |
| layerdestpath = destdir |
| if corebase == os.path.dirname(layer): |
| layerdestpath += '/' + os.path.basename(corebase) |
| else: |
| layer_relative = os.path.basename(corebase) + '/' + os.path.relpath(layer, corebase) |
| if os.path.dirname(layer_relative) != layernewname: |
| layerdestpath += '/' + os.path.dirname(layer_relative) |
| |
| layerdestpath += '/' + layernewname |
| |
| layer_relative = os.path.relpath(layerdestpath, |
| destdir) |
| # Treat corebase as special since it typically will contain |
| # build directories or other custom items. |
| if corebase == layer: |
| copied_corebase = layer_relative |
| bb.utils.mkdirhier(layerdestpath) |
| for f in corebase_files: |
| f_basename = os.path.basename(f) |
| destname = os.path.join(layerdestpath, f_basename) |
| _smart_copy(f, destname) |
| else: |
| layers_copied.append(layer_relative) |
| |
| if os.path.exists(os.path.join(layerdestpath, 'conf/layer.conf')): |
| bb.note("Skipping layer %s, already handled" % layer) |
| else: |
| _smart_copy(layer, layerdestpath) |
| |
| if workspace: |
| # Make some adjustments original workspace layer |
| # Drop sources (recipe tasks will be locked, so we don't need them) |
| srcdir = os.path.join(layerdestpath, 'sources') |
| if os.path.isdir(srcdir): |
| shutil.rmtree(srcdir) |
| # Drop all bbappends except the one for the image the SDK is being built for |
| # (because of externalsrc, the workspace bbappends will interfere with the |
| # locked signatures if present, and we don't need them anyway) |
| image_bbappend = os.path.splitext(os.path.basename(self.d.getVar('FILE')))[0] + '.bbappend' |
| appenddir = os.path.join(layerdestpath, 'appends') |
| if os.path.isdir(appenddir): |
| for fn in os.listdir(appenddir): |
| if fn == image_bbappend: |
| continue |
| else: |
| os.remove(os.path.join(appenddir, fn)) |
| # Drop README |
| readme = os.path.join(layerdestpath, 'README') |
| if os.path.exists(readme): |
| os.remove(readme) |
| # Filter out comments in layer.conf and change layer name |
| layerconf = os.path.join(layerdestpath, 'conf', 'layer.conf') |
| with open(layerconf, 'r') as f: |
| origlines = f.readlines() |
| with open(layerconf, 'w') as f: |
| for line in origlines: |
| if line.startswith('#'): |
| continue |
| line = line.replace('workspacelayer', workspace_newname) |
| f.write(line) |
| |
| # meta-skeleton layer is added as part of the build system |
| # but not as a layer included in the build, therefore it is |
| # not reported to the function caller. |
| for layer in layers_copied: |
| if layer.endswith('/meta-skeleton'): |
| layers_copied.remove(layer) |
| break |
| |
| return copied_corebase, layers_copied |
| |
| def generate_locked_sigs(sigfile, d): |
| bb.utils.mkdirhier(os.path.dirname(sigfile)) |
| depd = d.getVar('BB_TASKDEPDATA', False) |
| tasks = ['%s.%s' % (v[2], v[1]) for v in depd.values()] |
| bb.parse.siggen.dump_lockedsigs(sigfile, tasks) |
| |
| def prune_lockedsigs(excluded_tasks, excluded_targets, lockedsigs, pruned_output): |
| with open(lockedsigs, 'r') as infile: |
| bb.utils.mkdirhier(os.path.dirname(pruned_output)) |
| with open(pruned_output, 'w') as f: |
| invalue = False |
| for line in infile: |
| if invalue: |
| if line.endswith('\\\n'): |
| splitval = line.strip().split(':') |
| if not splitval[1] in excluded_tasks and not splitval[0] in excluded_targets: |
| f.write(line) |
| else: |
| f.write(line) |
| invalue = False |
| elif line.startswith('SIGGEN_LOCKEDSIGS'): |
| invalue = True |
| f.write(line) |
| |
| def merge_lockedsigs(copy_tasks, lockedsigs_main, lockedsigs_extra, merged_output, copy_output=None): |
| merged = {} |
| arch_order = [] |
| with open(lockedsigs_main, 'r') as f: |
| invalue = None |
| for line in f: |
| if invalue: |
| if line.endswith('\\\n'): |
| merged[invalue].append(line) |
| else: |
| invalue = None |
| elif line.startswith('SIGGEN_LOCKEDSIGS_t-'): |
| invalue = line[18:].split('=', 1)[0].rstrip() |
| merged[invalue] = [] |
| arch_order.append(invalue) |
| |
| with open(lockedsigs_extra, 'r') as f: |
| invalue = None |
| tocopy = {} |
| for line in f: |
| if invalue: |
| if line.endswith('\\\n'): |
| if not line in merged[invalue]: |
| target, task = line.strip().split(':')[:2] |
| if not copy_tasks or task in copy_tasks: |
| tocopy[invalue].append(line) |
| merged[invalue].append(line) |
| else: |
| invalue = None |
| elif line.startswith('SIGGEN_LOCKEDSIGS_t-'): |
| invalue = line[18:].split('=', 1)[0].rstrip() |
| if not invalue in merged: |
| merged[invalue] = [] |
| arch_order.append(invalue) |
| tocopy[invalue] = [] |
| |
| def write_sigs_file(fn, types, sigs): |
| fulltypes = [] |
| bb.utils.mkdirhier(os.path.dirname(fn)) |
| with open(fn, 'w') as f: |
| for typename in types: |
| lines = sigs[typename] |
| if lines: |
| f.write('SIGGEN_LOCKEDSIGS_%s = "\\\n' % typename) |
| for line in lines: |
| f.write(line) |
| f.write(' "\n') |
| fulltypes.append(typename) |
| f.write('SIGGEN_LOCKEDSIGS_TYPES = "%s"\n' % ' '.join(fulltypes)) |
| |
| if copy_output: |
| write_sigs_file(copy_output, list(tocopy.keys()), tocopy) |
| if merged_output: |
| write_sigs_file(merged_output, arch_order, merged) |
| |
| def create_locked_sstate_cache(lockedsigs, input_sstate_cache, output_sstate_cache, d, fixedlsbstring="", filterfile=None): |
| import shutil |
| bb.note('Generating sstate-cache...') |
| |
| nativelsbstring = d.getVar('NATIVELSBSTRING') |
| bb.process.run("gen-lockedsig-cache %s %s %s %s %s" % (lockedsigs, input_sstate_cache, output_sstate_cache, nativelsbstring, filterfile or '')) |
| if fixedlsbstring and nativelsbstring != fixedlsbstring: |
| nativedir = output_sstate_cache + '/' + nativelsbstring |
| if os.path.isdir(nativedir): |
| destdir = os.path.join(output_sstate_cache, fixedlsbstring) |
| for root, _, files in os.walk(nativedir): |
| for fn in files: |
| src = os.path.join(root, fn) |
| dest = os.path.join(destdir, os.path.relpath(src, nativedir)) |
| if os.path.exists(dest): |
| # Already exists, and it'll be the same file, so just delete it |
| os.unlink(src) |
| else: |
| bb.utils.mkdirhier(os.path.dirname(dest)) |
| shutil.move(src, dest) |
| |
| def check_sstate_task_list(d, targets, filteroutfile, cmdprefix='', cwd=None, logfile=None): |
| import subprocess |
| |
| bb.note('Generating sstate task list...') |
| |
| if not cwd: |
| cwd = os.getcwd() |
| if logfile: |
| logparam = '-l %s' % logfile |
| else: |
| logparam = '' |
| cmd = "%sBB_SETSCENE_ENFORCE=1 PSEUDO_DISABLED=1 oe-check-sstate %s -s -o %s %s" % (cmdprefix, targets, filteroutfile, logparam) |
| env = dict(d.getVar('BB_ORIGENV', False)) |
| env.pop('BUILDDIR', '') |
| env.pop('BBPATH', '') |
| pathitems = env['PATH'].split(':') |
| env['PATH'] = ':'.join([item for item in pathitems if not item.endswith('/bitbake/bin')]) |
| bb.process.run(cmd, stderr=subprocess.STDOUT, env=env, cwd=cwd, executable='/bin/bash') |