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Re: -Os for Darwin why?
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From:
schwern
Date:
February 17, 2003 21:46
Subject:
Re: -Os for Darwin why?
Message ID:
20030217214618.A18799@ttul.org
On Mon, Feb 17, 2003 at 08:06:48PM -0800, Wilfredo Sánchez wrote:
> ProjectBuilder now defaults to -Os.
>
> I bet you can find something on Tech Info Library, and the option is
> documented in gcc(1).
>
> I'm not sure we need to document every option in the hints file, but
> OK.
I understand what the option does, the man page explains that, I just
didn't understand why it was being used to compile perl by default.
Your reason for using it is valid, I just want to make sure Future
Generations know why too.
I still don't understand why its only used for Darwin 6.x and up and not
5.x and down. Could you explain?
> On Monday, February 17, 2003, at 07:14 PM, schwern@pobox.com wrote:
>
> > I've never seen anything use -Os as a default before and the hint file
> > logic in darwin.sh of using -O3 for 5.X and down and -Os for 6.X and
> > up is
> > usually used to avoid broken compilers. I couldn't think of any other
> > reason why you'd use -Os just then and there's no explaination in the
> > hint file (patch follows).
>
--
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