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import os
import tarfile
CACHE_DIR_NAME='thinlto_cache_dir'
def add_options(parser):
parser.add_option('--thinlto-cache')
parser.add_option('--thinlto-cache-write', action='store_true')
def preprocess(opts, cmd):
if opts.thinlto_cache:
cache_dir = os.path.join(opts.build_root, CACHE_DIR_NAME)
cmd +=['-Wl,--thinlto-cache-dir={}'.format(cache_dir)]
if opts.thinlto_cache_write:
os.mkdir(cache_dir)
else:
with tarfile.open(opts.thinlto_cache, 'r') as tar:
tar.extractall(opts.build_root)
def postprocess(opts):
if opts.thinlto_cache:
cache_dir = os.path.join(opts.build_root, CACHE_DIR_NAME)
if opts.thinlto_cache_write:
with tarfile.open(opts.thinlto_cache, 'w:gz') as tar:
tar.add(cache_dir, arcname=os.path.basename(cache_dir))
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