OSX i386/x86 and x86_64 - time to switch supported platforms?

Max Cantor mxcantor at gmail.com
Tue Feb 1 14:22:46 CET 2011

On OSX, as of 10.5, both the 32-bit kernel and the 64-bit kernel can seamlessly run x86_64 binaries in 64-bit mode.  

MacPorts now defaults to 64-bit for instance.


On Feb 1, 2011, at 8:10 PM, John Meacham wrote:

> Even though the hardware is x86_64, I thought the vast majority of
> macs used a 32 bit build of OSX and 32 bit programs?
>     John
> On Tue, Feb 1, 2011 at 3:38 AM, Max Cantor <mxcantor at gmail.com> wrote:
>> The last 32-bit, Intel Mac was the Mac Mini, discontinued in August 2007. The bulk of them were discontinued in 2006, along with PowerPC Macs.  Does it make sense to relegate OSX x86_64 to community status while the 32-bit version is considered a supported platform?
>> Given that I'm far from experienced enough to be able to contribute meaningfully to GHC, I'm not complaining about anyone's efforts, just that those efforts might be a bit misallocated.  I'd venture a guess that far more people are interested in running 64-bit GHC on OSX than in running GHC on what is now fairly antiquated hardware.
>> mc
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