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66 lines
2.5 KiB
Plaintext
66 lines
2.5 KiB
Plaintext
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dnl Copyright (C) 1997-2021 Free Software Foundation, Inc.
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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-endian={yes,no,big,little} is for simulators
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dnl that support both big and little endian targets.
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dnl arg[1] is hardwired target endianness.
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dnl arg[2] is default target endianness.
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AC_DEFUN([SIM_AC_OPTION_ENDIAN],
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[
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wire_endian="[$1]"
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default_endian="[$2]"
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AC_ARG_ENABLE(sim-endian,
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[AS_HELP_STRING([--enable-sim-endian=endian],
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[Specify target byte endian orientation])],
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[case "${enableval}" in
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b*|B*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_BIG";;
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l*|L*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_LITTLE";;
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yes) if test x"$wire_endian" != x; then
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sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_${wire_endian}"
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else
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if test x"$default_endian" != x; then
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sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_${default_endian}"
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else
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echo "No hard-wired endian for target $target" 1>&6
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sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_UNKNOWN"
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fi
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fi;;
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no) if test x"$default_endian" != x; then
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sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=BFD_ENDIAN_${default_endian}"
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else
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if test x"$wire_endian" != x; then
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sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=BFD_ENDIAN_${wire_endian}"
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else
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echo "No default endian for target $target" 1>&6
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sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=BFD_ENDIAN_UNKNOWN"
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fi
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fi;;
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*) AC_MSG_ERROR("Unknown value $enableval for --enable-sim-endian"); sim_endian="";;
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esac
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if test x"$silent" != x"yes" && test x"$sim_endian" != x""; then
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echo "Setting endian flags = $sim_endian" 6>&1
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fi],
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[if test x"$default_endian" != x; then
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sim_endian="-DWITH_DEFAULT_TARGET_BYTE_ORDER=BFD_ENDIAN_${default_endian}"
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else
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if test x"$wire_endian" != x; then
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sim_endian="-DWITH_TARGET_BYTE_ORDER=BFD_ENDIAN_${wire_endian}"
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else
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sim_endian=
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fi
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fi])dnl
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])
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AC_SUBST(sim_endian)
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