Oldest supported OS X version

John Ralls jralls at ceridwen.us
Sat Nov 17 03:24:51 EST 2012

On Nov 17, 2012, at 5:02 PM, Geert Janssens <janssens-geert at telenet.be> wrote:

> On 16-11-12 00:48, John Ralls wrote:
>> On Nov 15, 2012, at 9:49 PM, Geert Janssens <janssens-geert at telenet.be> wrote:
>>> What is the oldest version of OS X we support (particularly for trunk) ?
>>> I'm asking because I'm doing some guile cleanups in trunk and incidentally noticed several parts (unrelated to guile) where exceptions are written in code to cater for old OS X versions (10.1, 10.2,...). If these versions are no longer supported (for example because we already use library versions that are not supported on those systems), I am inclined to remove these.
>>> I know we have a quartz build and also fink/macports builds. So I'm interested to know for each of those.
>> Let's peg it at 10.5, which is I think the earliest for which one can build WebKitGtk. That's also the last version which supported PowerPC Macs, and it's what I've been building the app-bundles to support.
>> Regards,
>> John Ralls
> Those are good arguments.
> I have two follow up questions:
> - Should we add a runtime check to prevent users from trying to run a newer package on an unsupported OS X version ?
> - Should we mention this somewhere on the download page ? Perhaps similar to how we handle this with Windows: the download section there reads "Windows XP, Vista, 7". Starting with GnuCash 2.6 we may change the OS X download section to read "Mac OS X Leopard and up". I'm not sure that will improve readability of the download block though.

I don't think that there are enough people out there using pre-10.5 OSX that we should worry about it. Gnucash.app flat won't start because the linker will refuse to link older built-in libraries than the ones I use to build with. We haven't had a noticeable number of questions on the user list from people trying to run Gnucash on 10.4, and that's been the minimum since we switched to WebKit with 2.4.

John Ralls

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