script/compare_cc_results.py

   1 #!/usr/bin/env python
   2
   3 #
   4 # Compare the results of native and cross-compiled configure tests
   5 #
   6
   7 from __future__ import print_function
   8 import sys
   9 import difflib
  10
  11 exceptions = [
  12     'BUILD_DIRECTORY', 'SELFTEST_PREFIX', 'defines',
  13     'CROSS_COMPILE', 'CROSS_ANSWERS', 'CROSS_EXECUTE',
  14     'LIBSOCKET_WRAPPER_SO_PATH',
  15     'LIBNSS_WRAPPER_SO_PATH',
  16     'LIBPAM_WRAPPER_SO_PATH',
  17     'PAM_SET_ITEMS_SO_PATH',
  18     'LIBUID_WRAPPER_SO_PATH',
  19     'LIBRESOLV_WRAPPER_SO_PATH',
  20 ]
  21
  22 base_lines = list()
  23 base_fname = ''
  24
  25 found_diff = False
  26
  27 for fname in sys.argv[1:]:
  28     lines = list()
  29     f = open(fname, 'r')
  30     for line in f:
  31         if line.startswith("cfg_files ="):
  32             # waf writes configuration files as absolute paths
  33             continue
  34         if len(line.split('=', 1)) == 2:
  35             key = line.split('=', 1)[0].strip()
  36             if key in exceptions:
  37                 continue
  38         lines.append(line)
  39     f.close()
  40     if base_fname:
  41         diff = list(difflib.unified_diff(base_lines, lines, base_fname, fname))
  42         if diff:
  43             print('configuration files %s and %s do not match' % (base_fname, fname))
  44             for l in diff:
  45                 sys.stdout.write(l)
  46             found_diff = True
  47     else:
  48         base_fname = fname
  49         base_lines = lines
  50
  51 if found_diff:
  52     sys.exit(1)