| dnl |
| dnl Copyright (c) Linux Test Project, 2016 |
| dnl |
| dnl This program is free software; you can redistribute it and/or modify |
| dnl it under the terms of the GNU General Public License as published by |
| dnl the Free Software Foundation; either version 2 of the License, or |
| dnl (at your option) any later version. |
| dnl |
| dnl This program is distributed in the hope that it will be useful, |
| dnl but WITHOUT ANY WARRANTY; without even the implied warranty of |
| dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| dnl the GNU General Public License for more details. |
| dnl |
| |
| AC_DEFUN([LTP_CHECK_BUILTIN_CLEAR_CACHE],[dnl |
| AC_MSG_CHECKING([for __builtin___clear_cache]) |
| AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
| int main(void) { |
| char arr[16]; |
| __builtin___clear_cache(arr, arr + sizeof(arr)); |
| return 0; |
| }]])],[has_bcc="yes"]) |
| |
| if test "x$has_bcc" = xyes; then |
| AC_DEFINE(HAVE_BUILTIN_CLEAR_CACHE,1,[Define to 1 if you have __builtin___clear_cache]) |
| AC_MSG_RESULT(yes) |
| else |
| AC_MSG_RESULT(no) |
| fi |
| ]) |
