snow_leopard_64? (defined in Hardware) is a short-cut for:
MACOS_VERSION >= 10.6 and Hardware.is_64_bit?
Signed-off-by: Adam Vandenberg <flangy@gmail.com>
brewkit.rb changes ENV destructively, so lets not do that everytime a formula
is required. Now it's possible for other tools to require a formula
description without worrying about side-effects.
Adam Vandenberg
Max Howell
Edgars Beigarts