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_SYNC_ADD_AND_FETCH],[dnl 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 ])