| dnl Copyright (C) 1997-2021 Free Software Foundation, Inc. |
| dnl |
| dnl This program is free software; you can redistribute it and/or modify |
| dnl it under the terms of the GNU General Public License as published by |
| dnl the Free Software Foundation; either version 3 of the License, or |
| dnl (at your option) any later version. |
| dnl |
| dnl This program is distributed in the hope that it will be useful, |
| dnl but WITHOUT ANY WARRANTY; without even the implied warranty of |
| dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| dnl GNU General Public License for more details. |
| dnl |
| dnl You should have received a copy of the GNU General Public License |
| dnl along with this program. If not, see <http://www.gnu.org/licenses/>. |
| dnl |
| dnl --enable-sim-stdio is for users of the simulator |
| dnl It determines if IO from the program is routed through STDIO (buffered) |
| AC_DEFUN([SIM_AC_OPTION_STDIO], |
| [dnl |
| AC_MSG_CHECKING([for sim stdio debug behavior]) |
| sim_stdio="0" |
| AC_ARG_ENABLE(sim-stdio, |
| [AS_HELP_STRING([--enable-sim-stdio], |
| [Specify whether to use stdio for console input/output])], |
| [case "${enableval}" in |
| yes) sim_stdio="DO_USE_STDIO";; |
| no) sim_stdio="DONT_USE_STDIO";; |
| *) AC_MSG_ERROR([Unknown value $enableval passed to --enable-sim-stdio]);; |
| esac])dnl |
| AC_DEFINE_UNQUOTED([WITH_STDIO], [$sim_stdio], [How to route I/O]) |
| AC_MSG_RESULT($sim_stdio) |
| ]) |