sim/rx/acinclude.m4

   1 dnl   Copyright (C) 1997-2021 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 NB: This file is included in sim/configure, so keep settings namespaced.
  17 AC_MSG_CHECKING([whether sim rx should be cycle accurate])
  18 AC_ARG_ENABLE(sim-rx-cycle-accurate,
  19 [AS_HELP_STRING([--disable-sim-rx-cycle-accurate],
  20                 [Disable cycle accurate simulation (faster runtime)])],
  21 [case "${enableval}" in
  22 yes | no) ;;
  23 *)      AC_MSG_ERROR(bad value ${enableval} given for --enable-sim-rx-cycle-accurate option) ;;
  24 esac])
  25 if test "x${enable_sim_rx_cycle_accurate}" != xno; then
  26   SIM_RX_CYCLE_ACCURATE_FLAGS="-DCYCLE_ACCURATE"
  27   AC_MSG_RESULT([yes])
  28 else
  29   AC_MSG_RESULT([no])
  30 fi
  31 AC_SUBST(SIM_RX_CYCLE_ACCURATE_FLAGS)