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dnl canonicalize target cpu
dnl NOTE: Most rtems targets do not fulfil autoconf's
dnl target naming conventions "processor-vendor-os"
dnl Therefore autoconf's AC_CANONICAL_TARGET will fail for them
dnl and we have to fix it for rtems ourselves
AC_DEFUN([RTEMS_CANONICAL_TARGET_CPU],
[
AC_CANONICAL_TARGET
AC_MSG_CHECKING(rtems target cpu)
case "${target}" in
no_cpu-*rtems*)
RTEMS_CPU=no_cpu
;;
riscv*-*rtems*)
RTEMS_CPU=riscv
;;
*)
RTEMS_CPU=`echo $target | sed 's%^\([[^-]]*\)-\(.*\)$%\1%'`
;;
esac
AC_SUBST(RTEMS_CPU)
AC_MSG_RESULT($RTEMS_CPU)
])
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