AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.])
AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.])
AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])