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     'LIBUID_WRAPPER_SO_PATH',
  18     'LIBRESOLV_WRAPPER_SO_PATH',
  19 ]
  20
  21 base_lines = list()
  22 base_fname = ''
  23
  24 found_diff = False
  25
  26 for fname in sys.argv[1:]:
  27     lines = list()
  28     f = open(fname, 'r')
  29     for line in f:
  30         if line.startswith("cfg_files ="):
  31             # waf writes configuration files as absolute paths
  32             continue
  33         if len(line.split('=', 1)) == 2:
  34             key = line.split('=', 1)[0].strip()
  35             if key in exceptions:
  36                 continue
  37         lines.append(line)
  38     f.close()
  39     if base_fname:
  40         diff = list(difflib.unified_diff(base_lines, lines, base_fname, fname))
  41         if diff:
  42             print('configuration files %s and %s do not match' % (base_fname, fname))
  43             for l in diff:
  44                 sys.stdout.write(l)
  45             found_diff = True
  46     else:
  47         base_fname = fname
  48         base_lines = lines
  49
  50 if found_diff:
  51     sys.exit(1)