Re: PowerPC and 10.5 "Base SDK"
Re: PowerPC and 10.5 "Base SDK"
- Subject: Re: PowerPC and 10.5 "Base SDK"
- From: Aaron Burghardt <email@hidden>
- Date: Fri, 06 Jul 2012 23:02:02 -0400
On Jul 6, 2012, at 3:55 PM, David M. Cotter <email@hidden> wrote:
>> have you tried "ppc750" instead of "ppc"?
> have now, doesn't work (no such thing as ppc750 compiler?)
>
This file suggests that at one time "-arch ppc750" was a valid option to GCC and corresponded to "-mcpu=ppc750":
http://www.opensource.apple.com/source/gcc/gcc-4061/gcc/config/darwin-driver.c
I don't know which version of GCC it is, but this makes me think it is 4.0.0:
http://www.opensource.apple.com/source/gcc/gcc-4061/gcc/version.c
Did you try it on GCC 4.0, as was pointed out in another response?
>> I suppose you could go into the 10.5 headers and copy out the declarations of the new functions you need, and paste them where you need them.
> doesn't work because the app won't link, since i'm still linking against the 10.4 libraries
>
You could try -weak_l or -weak_framework when linking to 10.4 libraries and frameworks for files that contain 10.5 APIs. Then add a check to your code to confirm the API exists before calling it. I.e., if (new_func) new_func(...).
Aaron
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