Re: -m64 versus -arch x86_64
Re: -m64 versus -arch x86_64
- Subject: Re: -m64 versus -arch x86_64
- From: Trenton Schulz <email@hidden>
- Date: Mon, 29 Jan 2007 15:00:47 +0100
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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