| dnl SPDX-License-Identifier: GPL-2.0-or-later | |
| dnl Copyright (c) Linux Test Project, 2016 | |
| AC_DEFUN([LTP_CHECK_SYNC_ADD_AND_FETCH],[ | |
| AC_MSG_CHECKING([for __sync_add_and_fetch]) | |
| AC_LINK_IFELSE([AC_LANG_SOURCE([ | |
| int main(void) { | |
| int i = 0; | |
| return __sync_add_and_fetch(&i, 1); | |
| }])],[has_saac="yes"]) | |
| if test "x$has_saac" = xyes; then | |
| AC_DEFINE(HAVE_SYNC_ADD_AND_FETCH,1,[Define to 1 if you have __sync_add_and_fetch]) | |
| AC_MSG_RESULT(yes) | |
| else | |
| AC_MSG_RESULT(no) | |
| fi | |
| ]) |