async-append: New library to allow asynchronous appending to a log file.

[sliver-openvswitch.git] / m4 / openvswitch.m4

diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4
index ca80506..dbfc7c4 100644 (file)
--- a/m4/openvswitch.m4
+++ b/m4/openvswitch.m4
@@ -446,3 +446,8 @@ AC_DEFUN([OVS_CHECK_ATOMIC_ALWAYS_LOCK_FREE],
         __atomic_always_lock_free($1, 0).  If the C compiler is not GCC or is
         an older version of GCC, the value does not matter.])
    fi])
+
+dnl OVS_CHECK_POSIX_AIO
+AC_DEFUN([OVS_CHECK_POSIX_AIO],
+  [AC_SEARCH_LIBS([aio_write], [rt])
+   AM_CONDITIONAL([HAVE_POSIX_AIO], [test "$ac_cv_search_aio_write" != no])])