[Haskell-cafe] OSX i386/x86 and x86_64 - time to switch supported platforms?

[Max Cantor]

>> I'm not sure I can make sense of what you mean here. Given the preamble, I'd guess you're asking whether we should make x86_64 the targeted architecture for OSX support, and reclassify 32-bit OSX to unsupported or "hopefully it still works" status. (But in that case, it's the 32-bit which would be "relegated" to unsupported status while x86_64 is "considered a supported platform"...)

Yes.  I'm saying that I believe that OSX x86_64 should be the officially supported platform instead of 32-bit x86 with all the associated guarantees and assurances.   I wanted to see how people felt about that.

mc

>> 
>> Can you clarify the question?
> 
> Here's something that happened to me:  GHC was installed on this machine and worked fine,
> but when the operating system was upgraded to Mac OS X 10.6.something, GHC broke, with
> messages along the lines of "you can't use 32-bit absolute addresses in 64-bit code".
> The operating system is perfectly happy running both 32-bit and 64-code code and all
> the tool chain is happy working with either, but the *default* changed from "say nothing
> get 32-bit" to "say nothing get 64-bit".  I'm guessing that GHC gives the compiler some
> C code and some (32-bit) object files or libraries.
> 
> So now I have *different* GHC setups on the 10.6.5 desktop machine and the
> 10.5.8 laptop...  Since both machines have only 4GB of physical memory, 32-bit would be
> fine, except for all those lovely extra registers in x86_64 mode.
> 
> I think the original poster is saying that the targeted architecture for OS X support
> should be the architecture that OS X assumes by default, and these days that's x86_64.
> 
> It would be really nice for x86 mode to be well supported for a while longer.
> 
> 
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