m4/ltp-swaponoff.m4

   1 dnl
   2 dnl Copyright (c) Cisco Systems Inc., 2009
   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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  17 dnl
  18 dnl Author: Garrett Cooper <yanegomi@gmail.com>
  19 dnl
  20
  21 dnl
  22 dnl LTP_CHECK_CAPABILITY_SUPPORT
  23 dnl ----------------------------
  24 dnl
  25 AC_DEFUN([LTP_CHECK_SYSCALL_SWAPONOFF],[
  26 AC_MSG_CHECKING([for swapon / swapoff implementation])
  27 AC_TRY_COMPILE([#include <unistd.h>
  28                 #include <sys/swap.h>],
  29                 [swapon("/foo", 0); swapoff("/foo"); return 0;],
  30                 [swaponoff_impl="2.6"],
  31                 [AC_TRY_COMPILE([#include <unistd.h>
  32                                  #include <sys/swap.h>
  33                                  #include <linux/swap.h>],
  34                                  [swapon("/foo", 0); swapoff("/foo"); return 0;],
  35                                  [swaponoff_impl="2.4"],
  36                 )]
  37 )
  38 if test "x$swaponoff_impl" = "x2.4" ; then
  39     AC_MSG_RESULT(2.6)
  40     AC_DEFINE([HAVE_OLD_SWAPONOFF],[],[2.4 version of swapon/swapoff])
  41 elif test "x$swaponoff_impl" = "x2.6" ; then
  42     AC_MSG_RESULT(2.6)
  43     AC_DEFINE([HAVE_NEW_SWAPONOFF],[],[2.6 version of swapon/swapoff])
  44 else
  45     AC_MSG_RESULT(unknown)
  46     AC_MSG_WARN(Couldn't determine swapon / swapoff implementation)
  47 fi
  48 ])