Function check_configuration

tools/configure.c:1066–1151

}

static void check_configuration(void)
{
  struct variable_s *var;

  /* Check if this is a Windows native configuration */

  var = find_variable("CONFIG_WINDOWS_NATIVE", g_configvars);
  if (var && var->val && strcmp("y", var->val) == 0)
    {
      debug("check_configuration: Windows native configuration\n");
      g_oldnative = true;
    }

  /* If we are going to some host other than windows native or to a windows
   * native host, then don't ignore what is in the defconfig file.
   */

  if (g_host == HOST_NOCHANGE)
    {
      /* Use whatever we found in the configuration file */

      g_winnative = g_oldnative;
    }
  else if (g_host == HOST_WINDOWS && g_windows == WINDOWS_NATIVE)
    {
      /* The new configuration is windows native */

      g_winnative = true;
    }

  /* All configurations must provide a defconfig and Make.defs file */

  snprintf(g_buffer, BUFFER_SIZE, "%s%cdefconfig", g_configpath, g_delim);
  debug("check_configuration: Checking %s\n", g_buffer);
  if (!verify_file(g_buffer))
    {
      fprintf(stderr, "ERROR: No configuration in %s\n", g_configpath);
      fprintf(stderr, "       No defconfig file found.\n");
      fprintf(stderr, "Run tools/configure -L"
                      " to list available configurations.\n");
      exit(EXIT_FAILURE);
    }

  g_srcdefconfig = strdup(g_buffer);

  /* Try the Make.defs file */

  snprintf(g_buffer, BUFFER_SIZE, "%s%cMake.defs", g_configpath, g_delim);
  debug("check_configuration: Checking %s\n", g_buffer);
  if (!verify_file(g_buffer))
    {
      /* An alternative location is the scripts/ directory */

      if (g_scriptspath != NULL)
        {
          snprintf(g_buffer, BUFFER_SIZE, "%s%cMake.defs",
                   g_scriptspath, g_delim);
          debug("check_configuration: Checking %s\n", g_buffer);