On Sat, Feb 24, 2018 at 12:50:41PM +0000, Alessandro Ghedini wrote: > On Wed, Feb 21, 2018 at 11:14:24AM -0800, Steve Langasek wrote: > > Hi again, > > > > On Tue, Feb 20, 2018 at 06:16:34PM -0800, Steve Langasek wrote: > > > So, despite Julien's valid objection that core library conflicts cause > > > dist-upgrades to be more brittle, I think the right answer here is: > > > > > - keep all sonames as-is. > > > - rename libcurl3 to libcurl4. > > > - leave the package names of the other variants as-is. > > > - *if* libcurl-gnutls.so.4 and libcurl-nss.so.4 sonames are known to exist > > > elsewhere outside the Debian ecosystem, fix the symbol versions for > > > libcurl3-gnutls and libcurl3-nss to use symbol aliases, so that > > > CURL_FOO_4 > > > is used as the preferred name and CURL_FOO_3 is for compatibility only. > > > (This is only worth doing if this increases binary compatibility; > > > otherwise it's better to maintain bidirectional binary compatibility for > > > Debian-built binaries.) > > > - change the symbol versions for libcurl4 to CURL_OPENSSL_4. > > > > > I would be willing to prepare a patch that implements this. > > > > I've done this now and raised an MP: > > > > https://salsa.debian.org/debian/curl/merge_requests/3 > > > > (I'm assuming there is no point in CURL_FOO_4 symbol version for > > libcurl-gnutls and libcurl-nss, because these sonames come from a > > Debian-specific patch and therefore there's no upstream binary compatibility > > to be concerned about.) > > > > Thoughts on this? > > > > In terms of ABI changes, this appears to be a strict subset of what > > Alessandro had proposed and would be binary-compatible for libcurl.so.4; so > > at minimum, we will probably adopt this change in Ubuntu and proceed with > > the transition ASAP there, even if Debian later decides to change the ABI > > for gnutls and nss variants also. > > I'm fine with going ahead with just the libcurl3 -> libcurl4 transition for > now. > > Julien: is this something that the Release Team would be ok with? As Steve > pinted out before, libcurl3 has significantly lower usage than lubcurl3-gnutls > so impact should be somewhat more limited. > > I'd like to go ahead and upload Steve's patch to experimental (which means NEW > queue) soon, and then request the transition.
Quick update, with a slight delay I went ahead and uploaded Steve's changes to experimental as curl 7.58.0-3, which got accepted in record time, so I also requested the transition https://bugs.debian.org/891872 Thanks a lot to everyone involved for the help with this. Cheers
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