sim/m4/sim_ac_option_stdio.m4

   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 ])