On 14 Feb, 2009, at 13:05, Martin v. Löwis wrote: > >> 2. Release an installer built for 10.4 and higher. >> pros: one size fits all >> cons: no 64-bit support, known bugs in 10.4 wrt locale support, etc > > Why is it that such an installer couldn't include 64-bit support? > Wouldn't 10.4 just ignore architectures it doesn't know about? > Also, didn't 10.4 already support ppc64? 10.4 only supported 64-bit code for a very limited number of system libraries, basicly just enough to support running 64-bit number crunching code. System-wide support for 64-bit code was added in 10.5. A single installer could support both 32-bit on 10.4 and 64-bit on 10.5, but I don't think that's very useful because there are changes in the low-level unix API's that could result in different behaviour of a 32-bit and 64-bit script on the same system. In general 10.5 has much saner Unix API's than earlier releases. > > >> So, to summarize, I will build and test installer images for 3.0.1 >> built >> for 10.4+ and for 10.5+ and will make them available, if there is >> interest. If someone else is planning on making official >> installer(s), >> I'd be happy to pass along my experiences so far. In any case, I >> strongly urge that the minimum support level be 10.4. > > I still wish there were 10.3+ installers that also include 64-bit > code. > I don't get it why that can't be technically possible. The problem with 10.3 support is that we need volunteers to actually investigate and fix issues that only occur on 10.3 systems. I cannot be that volunteer because I no longer have access to systems that are capable of running 10.3. That said, the difference between a binary capable of running on 10.4+ and one running 10.3+ is minimal. I introduced weak-linking for a number of symbols that are not present on 10.3.9 in the 2.5 timeframe and that could should continue to work in the future. I won't notice when someone introduces additional calls to functions not available on 10.3 though. Ronald -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/pkcs7-signature Size: 2224 bytes Desc: not available URL: <http://mail.python.org/pipermail/python-dev/attachments/20090214/4e411d77/attachment.bin>
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