hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
19 lines
470 B
Plaintext
19 lines
470 B
Plaintext
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
|
|
])
|