2022-01-02 02:13:18 +08:00
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dnl Copyright (C) 1997-2022 Free Software Foundation, Inc.
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2021-06-07 08:16:48 +08:00
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dnl
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dnl This program is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 3 of the License, or
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dnl (at your option) any later version.
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dnl
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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dnl GNU General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License
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dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
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dnl
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dnl --enable-sim-stdio is for users of the simulator
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dnl It determines if IO from the program is routed through STDIO (buffered)
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AC_DEFUN([SIM_AC_OPTION_STDIO],
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[dnl
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AC_MSG_CHECKING([for sim stdio debug behavior])
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sim_stdio="0"
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AC_ARG_ENABLE(sim-stdio,
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[AS_HELP_STRING([--enable-sim-stdio],
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[Specify whether to use stdio for console input/output])],
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[case "${enableval}" in
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yes) sim_stdio="DO_USE_STDIO";;
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no) sim_stdio="DONT_USE_STDIO";;
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*) AC_MSG_ERROR([Unknown value $enableval passed to --enable-sim-stdio]);;
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esac])dnl
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AC_DEFINE_UNQUOTED([WITH_STDIO], [$sim_stdio], [How to route I/O])
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AC_MSG_RESULT($sim_stdio)
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])
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