portability fix in BUILD/* for solaris

# Check cpu of current machine and find the

# best compiler optimization flags for gcc

#

#

check_cpu () {

  if test -r /proc/cpuinfo ; then

    # on Linux (and others?) we can get detailed CPU information out of /proc

    cpuinfo="cat /proc/cpuinfo"

  if test -z "$cpu_arg"; then

  echo "BUILD/check-cpu: Oops, could not find out what kind of cpu this machine is using."

    echo "BUILD/check-cpu: Oops, could not find out what kind of cpu this machine is using." >&2

    check_cpu_cflags=""

    return

  fi

  touch __test.c

  while [ "$cpu_arg" ] ; do

  echo -n testing $cpu_arg "... "

    # FIXME: echo -n isn't portable - see contortions autoconf goes through

    echo -n testing $cpu_arg "... " >&2

    # compile check

    check_cpu_cflags=`eval echo $check_cpu_args`

    if $cc -c $check_cpu_cflags __test.c 2>/dev/null; then

	  echo ok

            echo ok >&2

        break;

    fi

  echo failed

    echo failed >&2

    check_cpu_cflags=""

    # if compile failed: check whether it supports a predecessor of this CPU

  done

  rm __test.*

}

check_cpu