Re: [B2-devel] TESyncScrap (Thoughts on SheepShaver and Basilisk II)

[Robert M. <mr...@gm...>]

On 6/18/12, Josh Juran <jj...@gm...> wrote:
> Then wouldn't it make more sense to always build as 32-bit?  It's not
> like SheepShaver will ever even remotely need more than 4 GB of
> address space.

We need 64-bit to work in Lion (10.7) and Mountain Lion (10.8). Snow
Leopard (10.6) is the last version that has any 32-bit runtime or a
32-bit kernel.

Apple is not Microsoft. They don't lift a finger for runtime binary
backward-compatibility.

> On Jun 17, 2012, at 11:41 PM, Robert Munafo wrote:
>> Apple does not provide 64-bit runtime libraries for any of Carbon,
>> such as is needed to convert PICT scrap data into another bitmap
>> format. In fact, all of QuickDraw is missing, and you can't even view
>> a PICT image on your Leopard (or later) Mac if you have it set to boot
>> with the 64-bit kernel (except by transferring the PICT data into an
>> emulator running an older Mac OS).

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