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(-)

# ia64 specific config options

# EXPERIMENTAL

config ARCH_ia64

    select ARCH_64

    select ARCH_SUPPORTS_BOTH_ENDIAN

    help

      The ia64 architecture, as defined by:

        http://www.intel.com/design/itanium/arch_spec.htm