[Python-Dev] Compiler for the Mac OS X version of Python 3.4

Bill Janssen janssen at parc.com
Mon Sep 16 21:56:42 CEST 2013

Russell E. Owen <rowen at uw.edu> wrote:

> In article <B3293155-E4D5-4389-A555-C31BC49CE539 at gmail.com>,
>  Raymond Hettinger <raymond.hettinger at gmail.com> wrote:
> > On Sep 14, 2013, at 1:32 PM, Ned Deily <nad at acm.org> wrote:
> > >  The 
> > > most recent Developer Tools for 10.8 and 10.7 systems, Xcode 4.6.x, have 
> > > a mature clang but do not provide a 10.6 SDK.  Even with using an SDK, 
> > > it's still possible to end up inadvertently linking with the wrong 
> > > versions of system libraries.  We have been burned by that in the past.
> > 
> > I think we should offer a separate Mac build just for 10.6
> > (much like we do for the 32-bit PPC option for 10.5).
> If Apple drops support for gcc in 10.9 I guess we have to go this route, 

Could go the Sage route -- Sage first checks for an up-to-date version
of gcc, and downloads it and builds it for its own use if necessary.


> but please be careful. Every time you add a new version of python for 
> MacOS X it means that folks providing binary installers (e.g. for numpy) 
> have to provide another binary, and folks using those installers have 
> another chance of picking the wrong one.
> If you do make a 10.6-only installer, what is the minimum version of 
> MacOS X the modern compiler would support? 10.7 gives a more measured 
> upgrade path, but 10.8 gives a better compiler.
> -- Russell
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