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(-)

 reporter_name="Thomas JOURDAN"

 reporter_url=""

 reporter_comment=""