sim/m4/sim_ac_option_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 dnl
  16 dnl --enable-sim-endian={yes,no,big,little} is for simulators
  17 dnl that support both big and little endian targets.
  18 AC_DEFUN([SIM_AC_OPTION_ENDIAN],
  19 [dnl
  20 AC_MSG_CHECKING([whether to force sim endianness])
  21 sim_endian=
  22 AC_ARG_ENABLE(sim-endian,
  23 [AS_HELP_STRING([--enable-sim-endian=endian],
  24                 [Specify target byte endian orientation])],
  25 [case "${enableval}" in
  26   b*|B*) sim_endian="BFD_ENDIAN_BIG";;
  27   l*|L*) sim_endian="BFD_ENDIAN_LITTLE";;
  28   yes | no) ;;
  29   *)     AC_MSG_ERROR("Unknown value $enableval for --enable-sim-endian");;
  30 esac])dnl
  31 AC_DEFINE_UNQUOTED([WITH_TARGET_BYTE_ORDER],
  32                    [${sim_endian:-BFD_ENDIAN_UNKNOWN}], [Sim endian settings])
  33 AC_MSG_RESULT([${sim_alignment:-no}])
  34 ])dnl