[ptx] HuginOSX Universal Binary

[Ippei UKAI]

Hi Daniel,

Universal binaries are nothing but two binary files together. the  
sources are compiled for Intel and PPC separately and combined  
together to make one Mach-O executable. You can in fact make it with  
any number of architectures like ppc, ppc64, i386, and ppc750,  
ppc7400, ppc970, pentium4, and so on.

I have modified libpano12 so that it does not assume mac is  
bigendian. I haven't submitted the change yet, but you are welcome to  
commit them if you have an access. Please note they are not tested on  
Intel machines. (HuginOSX uses sys_ansi instead of sys_mac as ./ 
configure did so and I have no problem with it so far. If mac  
compilation is suitable even for OSX, auto-config needs modification.)

Ippei

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On 16 Jan 2006, at 01:51, Daniel M. German wrote:

>
> Hi Ippei,
>
> I am very curious about these universal binaries and endianism. What
> happens if the endianism detection has been hardcoded at compile time
> (see filter.h in panotools for an example)? Wouldn't this mean that
> the program will incorrectly run in an architecture different from the
> one in which it was compiled?
>
>
>  Ippei UKAI twisted the bytes to say:
>
>  Ippei> Hello everyone, happy new year!
>  Ippei> I have compiled the first universal binary of HuginOSX last  
> week. I'm
>  Ippei> hoping to release it when Apple introduce the first Intel Mac
>  Ippei> products this year.
>
>  Ippei> http://homepage.mac.com/ippei_ukai/software/
>
>  Ippei> Could anyone who has an access to Mac OS X running on Intel  
> test it
>  Ippei> and tell me if it works?
>  Ippei> Also, if other Mac users could update to either of the  
> Universal
>  Ippei> Binary or Debug build, it would appreciated as I have changed
>  Ippei> everything to compile with MacOSX SDKs rather than the  
> local system,
>  Ippei> and need feedback.
>
>  Ippei> Thanks,
>  Ippei> Ippei
>
> --
> Daniel M. German                  "To take photographs means to  
> recognize
>                                    --simultaneously and within a
>                                    fraction of a second
>                                    --both the fact itself and the  
> rigorous
>                                    organization of visually perceived
>                                    forms that give it meaning.
>                                    It is putting one's head,
>                                    one's eye and one's heart on the  
> same
>    Henri Cartier Bresson ->        axis"
> http://turingmachine.org/
> http://silvernegative.com/
> dmg (at) uvic (dot) ca
> replace (at) with @ and (dot) with .
>
>


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