On 4/10/06, Philip Martin <philip@codematters.co.uk> wrote:
> That doesn't really address my point. You probably know more than me,
> but as I understand it backporting full LFS to APR 0.9.x is simple
> except that it would be an unacceptable ABI change. Nothing you have
> written explains why you are happy to make the same ABI change in
> Subversion.
I don't view APR's ABI as part of Subversion's.
> > Even then, it's still very possible for LFS to be toggled on or off
> > even in the same 'library' version of APR/APR-util. Same goes for
> > threading, mmap, etc.
>
> I'm not really interested in corner cases, although I suspect that
> threading is handled by 'apr-config --cflags' and that mmap doesn't
> change the ABI.
As Garrett points out, those features changes the ABI by adding or
removing APR symbols.
> > Those apps *should* be linking with libtool. If not, it's very likely
> > that it may not compile or link appropriately.
>
> I disagree, libtool is optional.
If your app happens to work without libtool, good for you; but
removing libtool from the chain isn't something that we can support.
> Since nobody else appears to care about this problem I don't think
> it's sensible to change the default. How about a configure option to
> allow people to choose to get (or set?) a different SONAME? After all
> it is simple to support http-2.0/apr-0.9 and http-2.2/apr-1.2 in
> parallel so we should provide a standard way to do it even if it is
> not the default.
As I've said before, feel free to make it optional. However, you
might run head-first into libtool to get it to set non-numeric custom
SONAMEs - as it relies upon versions of the order X.Y.Z to set the
SONAME. (See soname_spec, versuffix, etc.)
My hunch is that Peter's Debian patch would tweak GNU libtool not
Subversion as Subversion doesn't have much control over SONAMEs. --
justin
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Received on Tue Apr 11 00:43:26 2006