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      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
     20 
     21 dnl
     22 dnl LTP_CHECK_SYSCALL_EVENTFD
     23 dnl ----------------------------
     24 dnl
     25 AC_DEFUN([LTP_CHECK_SYSCALL_EVENTFD],
     26 [dnl
     27 AH_TEMPLATE(HAVE_IO_SET_EVENTFD,
     28 [Define to 1 if you have the `io_set_eventfd' function.])
     29 AC_CHECK_HEADERS(libaio.h,[
     30 	AC_CHECK_LIB(aio,io_setup,[
     31 		AIO_LIBS="-laio"
     32 		AC_MSG_CHECKING([io_set_eventfd is defined in aio library or aio header])
     33 		AC_TRY_LINK([#include <stdio.h>
     34                              #include <libaio.h>
     35 		            ],
     36                             [io_set_eventfd(NULL, 0); return 0;
     37 			    ],
     38 			    [AC_DEFINE(HAVE_IO_SET_EVENTFD)
     39 			     AC_MSG_RESULT(yes)],
     40                             [AC_MSG_RESULT(no)])],
     41 		AIO_LIBS="")])
     42 AC_SUBST(AIO_LIBS)
     43 ])
     44