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 ])