[llvm-commits] [PATCH] x86_64 detection and building on 10.6

[Daniel Dunbar]

Thanks Evan,

I personally think this functionality should go in. If no one else has
an opinion, I'm will test/apply at some point (read: object now or
hold your peace).

 - Daniel

On Wed, Sep 2, 2009 at 9:11 AM, Evan Phoenix<evan at fallingsnow.net> wrote:
>
> On Aug 31, 2009, at 11:32 AM, Mike Stump wrote:
>
>> On Aug 30, 2009, at 12:31 PM, Evan Phoenix wrote:
>>>
>>> Currently, it's not possible to build LLVM and link it against something
>>> compiled by default on 10.6, since LLVM forces itself to build 32bit only,
>>> and 10.6 defaults to compile 64bit by default.
>>
>> Not quite right:
>>
>> $ gcc -arch ppc64 -E -dM -x c /dev/null -o - | grep LP64
>> #define __LP64__ 1
>> #define _LP64 1
>>
>> If you check uname -m and if it says i386, then this is safe to do.  I
>> support the general idea however.
>
> Ah! Right you are. Having never had access to a ppc64 machine, I had no
> idea. Attached fixes this, only using gcc test if uname -m has said *86.
>
> Thanks!
>
>  - Evan
>
>
>
>
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