message: crosstool_wrapper_driver_is_not_gcc.tpl: Pass -no-canonical-prefixes through to the host compiler.
  no-canonical-prefixes is useful for preventing GCC from emitting absolute paths into .d files.
diff: @@ -95,6 +95,7 @@ def GetHostCompilerOptions(argv):
  parser.add_argument('--sysroot', nargs=1)
  parser.add_argument('-g', nargs='*', action='append')
  parser.add_argument('-fno-canonical-system-headers', action='store_true')
  + parser.add_argument('-no-canonical-prefixes', action='store_true')
  args, _ = parser.parse_known_args(argv)
  @@ -108,6 +109,8 @@ def GetHostCompilerOptions(argv):
  opts += ' -g' + ' -g'.join(sum(args.g, []))
  if args.fno_canonical_system_headers:
  opts += ' -fno-canonical-system-headers'
  + if args.no_canonical_prefixes:
  + opts += ' -no-canonical-prefixes'
  if args.sysroot:
  opts += ' --sysroot ' + args.sysroot[0]
  