llvm/test/Other/ChangePrinters/lit.local.cfg

   1 import os
   2 import subprocess
   3
   4 def have_needed_diff_support():
   5     if not os.path.exists('/usr/bin/diff'):
   6         return False
   7
   8     ld_cmd = subprocess.Popen(
   9         ['/usr/bin/diff', '--help'], stdout=subprocess.PIPE, env={'LANG': 'C'})
  10     ld_out = ld_cmd.stdout.read().decode()
  11     ld_cmd.wait()
  12
  13     return '-line-format' in ld_out
  14
  15 if not have_needed_diff_support():
  16   config.unsupported = True