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#!/usr/bin/env python3
#
# Compare the results of native and cross-compiled configure tests
#
from __future__ import print_function
import sys
import difflib
exceptions = [
'BUILD_DIRECTORY', 'SELFTEST_PREFIX', 'defines',
'CROSS_COMPILE', 'CROSS_ANSWERS', 'CROSS_EXECUTE',
'LIBSOCKET_WRAPPER_SO_PATH',
'LIBNSS_WRAPPER_SO_PATH',
'LIBPAM_WRAPPER_SO_PATH',
'PAM_SET_ITEMS_SO_PATH',
'LIBUID_WRAPPER_SO_PATH',
'LIBRESOLV_WRAPPER_SO_PATH',
]
base_lines = list()
base_fname = ''
found_diff = False
for fname in sys.argv[1:]:
lines = list()
f = open(fname, 'r')
for line in f:
if line.startswith("cfg_files ="):
# waf writes configuration files as absolute paths
continue
if len(line.split('=', 1)) == 2:
key = line.split('=', 1)[0].strip()
value = line.split('=', 1)[1].strip()
if key in exceptions:
continue
# using waf with python 3.4 seems to randomly sort dict keys
# we can't modify the waf code but we can fake a dict value
# string representation as if it were sorted. python 3.6.5
# doesn't seem to suffer from this behaviour
if value.startswith('{'):
import ast
amap = ast.literal_eval(value)
fakeline = ""
for k in sorted(amap.keys()):
if not len(fakeline) == 0:
fakeline = fakeline + ", "
fakeline = fakeline + '\'' + k + '\': \'' + amap[k] + '\''
line = key + ' = {' + fakeline + '}'
lines.append(line)
f.close()
if base_fname:
diff = list(difflib.unified_diff(base_lines, lines, base_fname, fname))
if diff:
print('configuration files %s and %s do not match' % (base_fname, fname))
for l in diff:
sys.stdout.write(l)
found_diff = True
else:
base_fname = fname
base_lines = lines
if found_diff:
sys.exit(1)
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