case "$host" in

  *linux*)

  echo "$as_me:$LINENO: checking for epoll_create" >&5

echo $ECHO_N "checking for epoll_create... $ECHO_C" >&6

  if test "${ace_cv_linux_event_poll+set}" = set; then

  echo $ECHO_N "(cached) $ECHO_C" >&6

else

      if test "$cross_compiling" = yes; then

  { { echo "$as_me:$LINENO: error: cannot run test program while cross compiling

See \`config.log' for more details." >&5

echo "$as_me: error: cannot run test program while cross compiling

See \`config.log' for more details." >&2;}

   { (exit 1); exit 1; }; }

else

  cat >conftest.$ac_ext <<_ACEOF

      /* confdefs.h.  */

_ACEOF

cat confdefs.h >>conftest.$ac_ext

cat >>conftest.$ac_ext <<_ACEOF

/* end confdefs.h.  */

#include <sys/epoll.h>

int

main ()

{

int const ACE_NUM_DESCRIPTORS = 10;

return epoll_create (ACE_NUM_DESCRIPTORS) == -1 ? -1 : 0;

  ;

  return 0;

}

_ACEOF

rm -f conftest$ac_exeext

if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5

  (eval $ac_link) 2>&5

  ac_status=$?

  echo "$as_me:$LINENO: \$? = $ac_status" >&5

  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'

  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5

  (eval $ac_try) 2>&5

  ac_status=$?

  echo "$as_me:$LINENO: \$? = $ac_status" >&5

  (exit $ac_status); }; }; then

       ace_cv_linux_event_poll=yes

else

  echo "$as_me: program exited with status $ac_status" >&5

echo "$as_me: failed program was:" >&5

sed 's/^/| /' conftest.$ac_ext >&5

( exit $ac_status )

       ace_cv_linux_event_poll=no

fi

rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext

fi

fi

  echo "$as_me:$LINENO: result: $ace_cv_linux_event_poll" >&5

echo "${ECHO_T}$ace_cv_linux_event_poll" >&6

  if test "$ace_cv_linux_event_poll" != no; then

    ace_just_a_place_holder=fixme

      cat >>confdefs.h <<\_ACEOF

#define ACE_HAS_EVENT_POLL 1

_ACEOF

  else

    ace_just_a_place_holder=fixme

  fi

    ;;

  *)

                    if test "$cross_compiling" = yes; then

  { { echo "$as_me:$LINENO: error: cannot run test program while cross compiling

See \`config.log' for more details." >&5

echo "$as_me: error: cannot run test program while cross compiling

See \`config.log' for more details." >&2;}

   { (exit 1); exit 1; }; }

else

  cat >conftest.$ac_ext <<_ACEOF

      /* confdefs.h.  */

_ACEOF

cat confdefs.h >>conftest.$ac_ext

cat >>conftest.$ac_ext <<_ACEOF

/* end confdefs.h.  */

#include <sys/devpoll.h>

#include <fcntl.h>

int

main ()

{

  int fd = open ("/dev/poll", O_RDWR);

  close (fd);

  return fd == -1 ? -1 : 0;

}

_ACEOF

rm -f conftest$ac_exeext

if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5

  (eval $ac_link) 2>&5

  ac_status=$?

  echo "$as_me:$LINENO: \$? = $ac_status" >&5

  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'

  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5

  (eval $ac_try) 2>&5

  ac_status=$?

  echo "$as_me:$LINENO: \$? = $ac_status" >&5

  (exit $ac_status); }; }; then

      cat >>confdefs.h <<\_ACEOF

#define ACE_HAS_DEV_POLL 1

_ACEOF

else

  echo "$as_me: program exited with status $ac_status" >&5

echo "$as_me: failed program was:" >&5

sed 's/^/| /' conftest.$ac_ext >&5

fi

rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext

fi

    ;;

esac