def __init__(*k, **kw):
(obj, args) = k
use_answers = False
ans = ANSWER_UNKNOWN
# Three possibilities:
# 1. Only cross-answers - try the cross-answers file, and if
# there's no corresponding answer, add to the file and mark
# the configure process as unfinished.
# 2. Only cross-execute - get the answer from cross-execute
# 3. Both - try the cross-answers file, and if there is no
# corresponding answer - use cross-execute to get an answer,
# and add that answer to the file.
if '--cross-answers' in args:
# when --cross-answers is set, then change the arguments
# to use the cross answers if available
use_answers = True
i = args.index('--cross-answers')
ca_file = args[i + 1]
msg = args[i + 2]
ans = cross_answer(ca_file, msg)
if '--cross-execute' in args and ans == ANSWER_UNKNOWN:
# when --cross-execute is set, then change the arguments
# to use the cross emulator
i = args.index('--cross-execute')
newargs = shlex.split(args[i + 1])
newargs.extend(args[0:i])
if use_answers:
p = real_Popen(newargs,
stdout=Utils.subprocess.PIPE,
stderr=Utils.subprocess.PIPE,
env=kw.get('env', {}))
ce_out, ce_err = p.communicate()
ans = (p.returncode, samba_utils.get_string(ce_out))
add_answer(ca_file, msg, ans)
else:
args = newargs
if use_answers:
if ans == ANSWER_UNKNOWN:
global cross_answers_incomplete
cross_answers_incomplete = True
add_answer(ca_file, msg, ans)
(retcode, retstring) = ans
args = [
'/bin/sh', '-c',
"printf %%s '%s'; exit %d" % (retstring, retcode)
]
real_Popen.__init__(*(obj, args), **kw)
def abi_check_task(self):
'''check if the ABI has changed'''
abi_gen = self.ABI_GEN
libpath = self.inputs[0].abspath(self.env)
libname = os.path.basename(libpath)
sigs = samba_utils.get_string(Utils.cmd_output([abi_gen, libpath]))
parsed_sigs = parse_sigs(sigs, self.ABI_MATCH)
sig_file = self.ABI_FILE
old_sigs = samba_utils.load_file(sig_file)
if old_sigs is None or Options.options.ABI_UPDATE:
if not save_sigs(sig_file, parsed_sigs):
raise Errors.WafError('Failed to save ABI file "%s"' % sig_file)
Logs.warn('Generated ABI signatures %s' % sig_file)
return
parsed_old_sigs = parse_sigs(old_sigs, self.ABI_MATCH)
# check all old sigs
got_error = False
for s in parsed_old_sigs:
if not s in parsed_sigs:
Logs.error(
'%s: symbol %s has been removed - please update major version\n\tsignature: %s'
% (libname, s, parsed_old_sigs[s]))
got_error = True
elif normalise_varargs(parsed_old_sigs[s]) != normalise_varargs(
parsed_sigs[s]):
Logs.error(
'%s: symbol %s has changed - please update major version\n\told_signature: %s\n\tnew_signature: %s'
% (libname, s, parsed_old_sigs[s], parsed_sigs[s]))
got_error = True
for s in parsed_sigs:
if not s in parsed_old_sigs:
Logs.error(
'%s: symbol %s has been added - please mark it _PRIVATE_ or update minor version\n\tsignature: %s'
% (libname, s, parsed_sigs[s]))
got_error = True
if got_error:
raise Errors.WafError(
'ABI for %s has changed - please fix library version then build with --abi-update\nSee http://wiki.samba.org/index.php/Waf#ABI_Checking for more information\nIf you have not changed any ABI, and your platform always gives this error, please configure with --abi-check-disable to skip this check'
% libname)