Do not autodetect 64-bit archs, have them tell be 'select'-ing ARCH_64 in the configuration.

/trunk/scripts/crosstool.sh | 12 5 7 0 +++++-------
/trunk/docs/overview.txt | 6 6 0 0 ++++++
/trunk/config/target.in | 4 4 0 0 ++++
/trunk/config/arch/x86_64.in | 1 1 0 0 +
/trunk/config/arch/ia64.in | 1 1 0 0 +
5 files changed, 17 insertions(+), 7 deletions(-)

# Compute IA-64-specific values

CT_DoArchTupleValues() {

    # The architecture part of the tuple:

    CT_TARGET_ARCH="${CT_ARCH}${target_endian_el}"

    # Override CFLAGS for endianness:

    case "${CT_ARCH_BE},${CT_ARCH_LE}" in

        y,) CT_ARCH_ENDIAN_CFLAG="-EB";;

        ,y) CT_ARCH_ENDIAN_CFLAG="-EL";;

    esac

}