| dnl Copyright (C) 1997-2024 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/>. |
| AC_DEFUN([SIM_AC_OPTION_SMP], [dnl |
| AC_MSG_CHECKING([number of sim cpus to support]) |
| dnl TODO: We should increase the default to use smp at some point. When we do, |
| dnl the ppc/configure sim-smp option should be merged. See the WITH_SMP check |
| dnl below for more cleanups too. |
| default_sim_smp="0" |
| sim_smp="$default_sim_smp" |
| AC_ARG_ENABLE(sim-smp, |
| [AS_HELP_STRING([--enable-sim-smp=n], |
| [Specify number of processors to configure for (default 1)])], |
| [case "${enableval}" in |
| yes) sim_smp="5";; |
| no) sim_smp="0";; |
| *) sim_smp="$enableval";; |
| esac])dnl |
| IGEN_FLAGS_SMP="-N ${sim_smp}" |
| AC_SUBST(IGEN_FLAGS_SMP) |
| dnl NB: The ppc code uses a diff default because its smp works. That is why |
| dnl we don't unconditionally enable WITH_SMP here. Once we unify ppc, we can |
| dnl make this unconditional. |
| AS_VAR_IF([sim_smp], [0], [], [dnl |
| AC_DEFINE_UNQUOTED([WITH_SMP], [$sim_smp], [Sim SMP settings])]) |
| AC_MSG_RESULT($sim_smp) |
| ]) |
