Re: -m64 versus -arch x86_64
Re: -m64 versus -arch x86_64
- Subject: Re: -m64 versus -arch x86_64
- From: Dmitry Markman <email@hidden>
- Date: Mon, 29 Jan 2007 13:47:53 -0800
Hi,
that makes sense
thank you very much
Dmitry Markman
On Monday, January 29, 2007, at 09:00AM, "Trenton Schulz" <email@hidden> wrote:
>
>On Jan 27, 2007, at 3:27 AM, Dmitry Markman wrote:
>
>> Hi,
>> can somebody explain what the difference between
>> switches -m64 and -arch x86_64
>> both allow to build 64 bit application
>
>I would guess that -m64 generates 64-bit code for the arch that you
>developing on (in this case ppc64 or x86_64). Whereas the -arch tells
>the compiler to explicitly generate code for that arch. That's how it
>seems to work in practice at least.
>
>-- Trenton
>
>
>
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