On 04 Nov 2014 15:01, Jeffrey Bastian wrote:
> +# check for CPU endianness
> +TEST_ARCH=NULL
> +ENDIAN=$(echo -n I | od -to2 2>/dev/null |
> + awk '{print substr($2,6,1); exit}' 2>/dev/null)
interesting idea. there's a few issues with this code, but rather than get
into
that, why don't ew just rely on readelf and be done ? i don't think we want to
maintain two code paths here.
> + READELF=$(which readelf 2>/dev/null)
> + ENDIAN=$($READELF -h $READELF 2>/dev/null | grep endian)
> + if echo $ENDIAN | grep -q 'Data:.*big endian' ; then
> + TEST_ARCH=MSB
> + elif echo $ENDIAN | grep -q 'Data:.*little endian' ; then
> + TEST_ARCH=LSB
> + fi
you can simplify this a bit:
READELF=$(which readelf 2>/dev/null)
case $(${READELF} -h ${READELF}) in
*Data:*"big endian"*)
TEST_ARCH=MSB ;;
*Data:*"little endian"*)
TEST_ARCH=LSB ;;
*) <throw an error> ;;
esac
-mike
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