diff options
Diffstat (limited to 'yocto-poky/meta/lib/oe/copy_buildsystem.py')
-rw-r--r-- | yocto-poky/meta/lib/oe/copy_buildsystem.py | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/yocto-poky/meta/lib/oe/copy_buildsystem.py b/yocto-poky/meta/lib/oe/copy_buildsystem.py new file mode 100644 index 0000000000..979578c41d --- /dev/null +++ b/yocto-poky/meta/lib/oe/copy_buildsystem.py @@ -0,0 +1,101 @@ +# This class should provide easy access to the different aspects of the +# buildsystem such as layers, bitbake location, etc. +import stat +import shutil + +def _smart_copy(src, dest): + # 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): + shutil.copytree(src, dest, symlinks=True) + else: + shutil.copyfile(src, dest) + shutil.copymode(src, dest) + +class BuildSystem(object): + def __init__(self, d): + self.d = d + self.layerdirs = d.getVar('BBLAYERS', True).split() + + def copy_bitbake_and_layers(self, destdir): + # Copy in all metadata layers + bitbake (as repositories) + layers_copied = [] + bb.utils.mkdirhier(destdir) + layers = list(self.layerdirs) + + corebase = self.d.getVar('COREBASE', True) + layers.append(corebase) + + corebase_files = self.d.getVar('COREBASE_FILES', True).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') + if os.path.exists(layerconf): + with open(layerconf, 'r') as f: + if f.readline().startswith("# ### workspace layer auto-generated by devtool ###"): + bb.warn("Skipping local workspace layer %s" % layer) + 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) + layerdestpath += '/' + os.path.basename(layer) + + layer_relative = os.path.relpath(layerdestpath, + destdir) + layers_copied.append(layer_relative) + + # Treat corebase as special since it typically will contain + # build directories or other custom items. + if corebase == layer: + 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: + if os.path.exists(layerdestpath): + bb.note("Skipping layer %s, already handled" % layer) + else: + _smart_copy(layer, layerdestpath) + + return layers_copied + +def generate_locked_sigs(sigfile, d): + bb.utils.mkdirhier(os.path.dirname(sigfile)) + depd = d.getVar('BB_TASKDEPDATA', True) + tasks = ['%s.%s' % (v[2], v[1]) for v in depd.itervalues()] + bb.parse.siggen.dump_lockedsigs(sigfile, tasks) + +def prune_lockedsigs(allowed_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 splitval[1] in allowed_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 create_locked_sstate_cache(lockedsigs, input_sstate_cache, output_sstate_cache, d, fixedlsbstring=""): + bb.note('Generating sstate-cache...') + + bb.process.run("gen-lockedsig-cache %s %s %s" % (lockedsigs, input_sstate_cache, output_sstate_cache)) + if fixedlsbstring: + os.rename(output_sstate_cache + '/' + d.getVar('NATIVELSBSTRING', True), + output_sstate_cache + '/' + fixedlsbstring) |