On Thu, Jun 26, 2003 at 03:53:09PM +0300, Zeev Suraski wrote: > FWIW, that's one of the key reasons I think we should default to use the > bundled libxml, and only use the system library if the user explicitly > requested that. I think we're going to bundle libxml in beta1 to see how > well this concept works. Bundling gives many problems. So if a Unix machine has libxml/libxslt installed (most do) and if that version is supported by PHP the configure should use that (and not a bundled version). If the PHP people only allows a very strict set of libxml versions that's a sign of a problem in ext/xml.* (not in libxml). libxml API doesn't change.
We differ, I think that the problems linked with bundling are small in comparison to the gain we get from considering the XML library as an integral of PHP. None of us is talking about the API, Rob wasn't talking about the API either - he was talking about the actual behavior. If someone would want to install PHP with his system libxml, he'd be able to do it, and then he'd get his system's libxml behavior, for better or worse. I don't think that anybody suggested to make the XML modules dependent on specific versions of libxml, ever. I certainly haven't.
I think that beta1 will give us some clues as to how much of a real world problem we get by defaulting to use our own version of libxml. If we see that it's too much of a headache, defaulting to use the system library (if available) shouldn't be difficult at all.
Zeev
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