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      1 dnl Copyright (C) 1997-2024 Free Software Foundation, Inc.
      2 dnl
      3 dnl This program is free software; you can redistribute it and/or modify
      4 dnl it under the terms of the GNU General Public License as published by
      5 dnl the Free Software Foundation; either version 3 of the License, or
      6 dnl (at your option) any later version.
      7 dnl
      8 dnl This program is distributed in the hope that it will be useful,
      9 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
     10 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     11 dnl GNU General Public License for more details.
     12 dnl
     13 dnl You should have received a copy of the GNU General Public License
     14 dnl along with this program.  If not, see <http://www.gnu.org/licenses/>.
     15 dnl
     16 dnl --enable-sim-stdio is for users of the simulator
     17 dnl It determines if IO from the program is routed through STDIO (buffered)
     18 AC_DEFUN([SIM_AC_OPTION_STDIO],
     19 [dnl
     20 AC_MSG_CHECKING([for sim stdio debug behavior])
     21 sim_stdio="0"
     22 AC_ARG_ENABLE(sim-stdio,
     23 [AS_HELP_STRING([--enable-sim-stdio],
     24 		[Specify whether to use stdio for console input/output])],
     25 [case "${enableval}" in
     26   yes)	sim_stdio="DO_USE_STDIO";;
     27   no)	sim_stdio="DONT_USE_STDIO";;
     28   *)	AC_MSG_ERROR([Unknown value $enableval passed to --enable-sim-stdio]);;
     29 esac])dnl
     30 AC_DEFINE_UNQUOTED([WITH_STDIO], [$sim_stdio], [How to route I/O])
     31 AC_MSG_RESULT($sim_stdio)
     32 ])
     33