1dnl SPDX-License-Identifier: GPL-2.0-or-later 2dnl Copyright (c) Red Hat Inc., 2008 3dnl Copyright (c) 2017-2022 Petr Vorel <[email protected]> 4dnl Author: Masatake YAMATO <[email protected]> 5 6AC_DEFUN([LTP_CHECK_SYSCALL_EVENTFD], [ 7 AC_CHECK_HEADERS(libaio.h, [have_libaio=yes]) 8 AC_CHECK_LIB(aio, io_setup, [have_aio=yes]) 9 10 if test "x$have_libaio" = "xyes" -a "x$have_aio" = "xyes"; then 11 AC_DEFINE(HAVE_LIBAIO, 1, [Define to 1 if you have libaio and it's headers installed.]) 12 AC_SUBST(AIO_LIBS, "-laio") 13 14 AC_MSG_CHECKING([io_set_eventfd is defined in aio library or aio header]) 15 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h> 16 #include <libaio.h> 17 ]], 18 [[io_set_eventfd(NULL, 0); return 0;]])], 19 [AC_DEFINE(HAVE_IO_SET_EVENTFD, 1, [Define to 1 if you have `io_set_eventfd' function.]) 20 AC_MSG_RESULT(yes)], 21 [AC_MSG_RESULT(no)]) 22 fi 23]) 24