Function verify_directory

tools/configure.c:469–486

}

static void verify_directory(const char *directory)
{
  struct stat buf;

  if (stat(directory, &buf) < 0)
    {
      fprintf(stderr, "ERROR: stat of %s failed: %s\n",
              directory, strerror(errno));
      exit(EXIT_FAILURE);
    }

  if (!S_ISDIR(buf.st_mode))
    {
      fprintf(stderr, "ERROR: %s exists but is not a directory\n",
              directory);
      exit(EXIT_FAILURE);
    }
}

static bool verify_optiondir(const char *directory)
{