1 dnl 2 dnl Copyright (c) Red Hat Inc., 2008 3 dnl 4 dnl This program is free software; you can redistribute it and/or modify 5 dnl it under the terms of the GNU General Public License as published by 6 dnl the Free Software Foundation; either version 2 of the License, or 7 dnl (at your option) any later version. 8 dnl 9 dnl This program is distributed in the hope that it will be useful, 10 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of 11 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 12 dnl the GNU General Public License for more details. 13 dnl 14 dnl You should have received a copy of the GNU General Public License 15 dnl along with this program; if not, write to the Free Software 16 dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 dnl 18 dnl Author: Masatake YAMATO <yamato (a] redhat.com> 19 dnl Copyright (c) 2017 Petr Vorel <pvorel (a] suse.cz> 20 dnl 21 22 dnl 23 dnl LTP_CHECK_SYSCALL_EVENTFD 24 dnl ---------------------------- 25 dnl 26 AC_DEFUN([LTP_CHECK_SYSCALL_EVENTFD], [ 27 AC_CHECK_HEADERS(libaio.h, [have_libaio=yes]) 28 AC_CHECK_LIB(aio, io_setup, [have_aio=yes]) 29 30 if test "x$have_libaio" = "xyes" -a "x$have_aio" = "xyes"; then 31 AC_DEFINE(HAVE_LIBAIO, 1, [Define to 1 if you have libaio and it's headers installed.]) 32 AC_SUBST(AIO_LIBS, "-laio") 33 34 AC_MSG_CHECKING([io_set_eventfd is defined in aio library or aio header]) 35 AC_TRY_LINK([#include <stdio.h> 36 #include <libaio.h> 37 ], 38 [io_set_eventfd(NULL, 0); return 0;], 39 [AC_DEFINE(HAVE_IO_SET_EVENTFD, 1, [Define to 1 if you have `io_set_eventfd' function.]) 40 AC_MSG_RESULT(yes)], 41 [AC_MSG_RESULT(no)]) 42 fi 43 ]) 44
