Universal Binaries

[Timothy Lee]

On Jan 24, 2009, at 3:36 AM, Ryan Schmidt wrote:

> On Jan 23, 2009, at 09:11, <timlee at rochester.rr.com> <timlee at rochester.rr.com 
> > wrote:
>
>> Joshua Root <jmr at macports.org> wrote:
>>> Timothy Lee wrote:
>>>> Do you know if its possible for me (on leopard) to build x86 code  
>>>> (all
>>>> my macports ports) that will also run on Tiger?
>>>> Short of physical access to an intel 10.4 install, is there  
>>>> anything I
>>>> can do?
>>>
>>> Don't forget to use Reply All so the discussion goes to the list as
>>> well. There are no guarantees that this will work, but the way to do
>>> what you want would be to set universal_target to 10.4,
>>> universal_sysroot to /Developer/SDKs/MacOSX10.4u.sdk, and
>>> universal_archs to i386. Then build everything with +universal  
>>> (best to
>>> add it to your variants.conf).
>
> Also set x11prefix to /usr/X11R6; Leopard's X11 prefix /usr/X11 does  
> not exist on Tiger.
>

If I do this, how will I be able to run the executables on my 10.5  
setup?

>
>> Thanks for the tip!
>> Has anyone tried this? Success/failure stories?
>
> openssl failed for me when I tried it this way on Leopard. Switching  
> back to 10.5 and the 10.5 SDK fixed it.
>
>
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