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 import sys
   8 import difflib
   9
  10 exceptions = ['BUILD_DIRECTORY', 'CROSS_COMPILE', 'CROSS_ANSWERS',
  11               'CROSS_EXECUTE', 'SELFTEST_PREFIX']
  12
  13 base_lines = list()
  14 base_fname = ''
  15
  16 found_diff = False
  17
  18 for fname in sys.argv[1:]:
  19     lines = list()
  20     f = open(fname, 'r')
  21     for line in f:
  22         if len(line.split('=', 1)) == 2:
  23             key = line.split('=', 1)[0].strip()
  24             if key in exceptions:
  25                 continue
  26         lines.append(line)
  27     f.close()
  28     if base_fname:
  29         diff = list(difflib.unified_diff(base_lines,lines,base_fname,fname))
  30         if diff:
  31             print 'configuration files %s and %s do not match' % (base_fname, fname)
  32             for l in diff:
  33                 sys.stdout.write(l)
  34             found_diff = True
  35     else:
  36         base_fname = fname
  37         base_lines = lines
  38
  39 if found_diff:
  40     sys.exit(1)