sim/m4/sim_ac_option_xor_endian.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 AC_DEFUN([SIM_AC_OPTION_XOR_ENDIAN],
  16 [
  17 AC_MSG_CHECKING([for xor endian support])
  18 default_sim_xor_endian="ifelse([$1],,8,[$1])"
  19 sim_xor_endian="$default_sim_xor_endian"
  20 AC_ARG_ENABLE(sim-xor-endian,
  21 [AS_HELP_STRING([--enable-sim-xor-endian=n],
  22                 [Specify number bytes involved in XOR bi-endian mode (default ${default_sim_xor_endian})])],
  23 [case "${enableval}" in
  24   yes)  sim_xor_endian="8";;
  25   no)   sim_xor_endian="0";;
  26   *)    sim_xor_endian="$enableval";;
  27 esac])dnl
  28 AC_DEFINE_UNQUOTED([WITH_XOR_ENDIAN], [$sim_xor_endian], [Sim XOR endian settings])
  29 AC_MSG_RESULT($sim_smp)
  30 ])