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import md5
def default_variant_dir_generator(target, source, env, for_signature):
if env.GetOption('cache') != None:
return 'cached'
# If an option should affect the variant directory, name it here.
variant_options = [
'opt',
'dbg',
]
# Hash the named options and their values, and take the first 8 characters of the hash as
# the variant name
hasher = md5.md5()
for option in variant_options:
hasher.update(option)
hasher.update(str(env.GetOption(option)))
variant_dir = hasher.hexdigest()[0:8]
# If our option hash yields a well known hash, replace it with its name.
known_variant_hashes = {
'343e6678' : 'debug',
'85fcf9b0' : 'opt',
'981ce870' : 'debug',
'9fface73' : 'optdebug',
'c52b1cc3' : 'opt',
}
return known_variant_hashes.get(variant_dir, variant_dir)
def os_specific_variant_dir_generator(target, source, env, for_signature):
return '-'.join([
env['TARGET_OS'],
default_variant_dir_generator(target, source, env, for_signature)])
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