[Pythonmac-SIG] Using py2app on 10.5 to build apps that run on 10.4?

[Kevin Walzer]

Russell E. Owen wrote:
> I'd love to upgrade to Leopard, but I maintain a python application that 
> needs to run on 10.4 (and preferably 10.3.9).
> 
> So...is it now practical to build 10.4-compatible applications using 
> py2app on a 10.5 computer? What is involved? (For instance I remember 
> reading that the built-in python needed some fixes for distutils to be 
> able to make fat binaries, but I have no idea what the fixes are or how 
> to install them).
> 
> Does it help (or hurt?) if I use a 3rd party installation of Python, 
> instead of the built in python?
> 
> -- Russell
> 

As long as all the binary bits in your app bundle are compatible with 
10.4, then you should be fine.

I develop and build Phynchronicity 
(http://www.codebykevin.com/phynchronicity.html) on 10.5, and it runs 
with no problem on 10.4. I build everything using the 
"-mmacosx-version-min=10.4." This is using a custom build of Python 
2.5.1 that links to Tk 8.5, my own build of Tk 8.5, and various Tk 
extensions.

I can't speak for 10.3.9.

-- 
Kevin Walzer
Code by Kevin
http://www.codebykevin.com