1*49cdfc7eSAndroid Build Coastguard Workerdnl SPDX-License-Identifier: GPL-2.0-or-later 2*49cdfc7eSAndroid Build Coastguard Workerdnl Copyright (c) Red Hat Inc., 2008 3*49cdfc7eSAndroid Build Coastguard Workerdnl Copyright (c) 2017-2022 Petr Vorel <[email protected]> 4*49cdfc7eSAndroid Build Coastguard Workerdnl Author: Masatake YAMATO <[email protected]> 5*49cdfc7eSAndroid Build Coastguard Worker 6*49cdfc7eSAndroid Build Coastguard WorkerAC_DEFUN([LTP_CHECK_SYSCALL_EVENTFD], [ 7*49cdfc7eSAndroid Build Coastguard Worker AC_CHECK_HEADERS(libaio.h, [have_libaio=yes]) 8*49cdfc7eSAndroid Build Coastguard Worker AC_CHECK_LIB(aio, io_setup, [have_aio=yes]) 9*49cdfc7eSAndroid Build Coastguard Worker 10*49cdfc7eSAndroid Build Coastguard Worker if test "x$have_libaio" = "xyes" -a "x$have_aio" = "xyes"; then 11*49cdfc7eSAndroid Build Coastguard Worker AC_DEFINE(HAVE_LIBAIO, 1, [Define to 1 if you have libaio and it's headers installed.]) 12*49cdfc7eSAndroid Build Coastguard Worker AC_SUBST(AIO_LIBS, "-laio") 13*49cdfc7eSAndroid Build Coastguard Worker 14*49cdfc7eSAndroid Build Coastguard Worker AC_MSG_CHECKING([io_set_eventfd is defined in aio library or aio header]) 15*49cdfc7eSAndroid Build Coastguard Worker AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h> 16*49cdfc7eSAndroid Build Coastguard Worker #include <libaio.h> 17*49cdfc7eSAndroid Build Coastguard Worker ]], 18*49cdfc7eSAndroid Build Coastguard Worker [[io_set_eventfd(NULL, 0); return 0;]])], 19*49cdfc7eSAndroid Build Coastguard Worker [AC_DEFINE(HAVE_IO_SET_EVENTFD, 1, [Define to 1 if you have `io_set_eventfd' function.]) 20*49cdfc7eSAndroid Build Coastguard Worker AC_MSG_RESULT(yes)], 21*49cdfc7eSAndroid Build Coastguard Worker [AC_MSG_RESULT(no)]) 22*49cdfc7eSAndroid Build Coastguard Worker fi 23*49cdfc7eSAndroid Build Coastguard Worker]) 24