Adrian,

On 06/04/2007, at 14:10, Adrian Robert wrote:

>  This is great.  I just went through making something like this  
>  myself, but I
>  haven't finished yet because I want to also support Panther.  I  
>  haven't
>  tried this yet but do you think there's any problem with building  
>  twice,
>  once with each of
> 
>  -mmacosx-version-min=10.4 -arch i386 -isysroot
>  /Developer/SDKs/MacOSX10.4u.sdk
>  -prebind -mmacosx-version-min=10.3 -arch ppc -isysroot
>  /Developer/SDKs/MacOSX10.3.9.sdk
> 
>  then combining the binaries manually with lipo?

there should be no need for doing two builds, or for using the 10.3  
SDK (in fact using it will disable the use if 10.4-only APIs even  
when the binary is running on 10.4, so I would recommend against it).

It should be sufficient to simply pass -mmacosx-version-min=10.3  
(resp. 10.2) in a standard universal build on 10.4, the resulting  
binary will work fine on Panther (resp. Jaguar); if you have the  
ability to test on such a system and it does not, please file a bug...

if you build on an intel box, you don't even need the 10.4u SDK, i.e.  
the following will give a 4-way universal Tcl and a 2-way universal  
Tk that supports Jaguar:
	CFLAGS='-mmacosx-version-min=10.2 -arch ppc -arch ppc64 -arch i386 - 
arch x86_64'

Cheers,

Daniel

-- 
** Daniel A. Steffen        Dept. of Mathematics  **
** Macquarie University     NSW 2109 Australia    **




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