AX_CHECK_SOCK_CLOEXEC([AC_DEFINE([HAVE_SOCK_CLOEXEC], [1], [Check for SOCK_CLOEXEC.])],
[AC_DEFINE([HAVE_SOCK_CLOEXEC], [0], [Check for SOCK_CLOEXEC.])])
AX_CHECK_SOCK_CLOEXEC([AC_DEFINE([HAVE_SOCK_CLOEXEC], [1], [Check for SOCK_CLOEXEC.])],
[AC_DEFINE([HAVE_SOCK_CLOEXEC], [0], [Check for SOCK_CLOEXEC.])])