Hi Fabio,
On 4/5/23 21:38, Fabio Valentini wrote:
On Wed, Apr 5, 2023 at 12:04 PM Zamir SUN <zsun@xxxxxxxxxxxxxxxxx> wrote:
Hi,
I'm working on libtraceevent and libtracefs update. There will be soname
bump happening to them. Namely,
libtraceevent.so 1.6.3 -> 1.7.2
libtracefs.so 1.5.0 -> 1.6.4
IIRC only kernel-tools (for perf and rtla) and trace-cmd depends on
them. So I'm also copying their corresponding contacts.
As for libtraceevent, I've tried running trace-cmd/perf/rtla with the
new version and they still works. So I've updated it in Rawhide, Fedora
38 and Fedora 37. They are now in Bodhi.
First I wanted to say that pushing soname bumps to stable releases is
a bad idea, but then I checked, abd both 1.6.3 and 1.7.2 of
libtraceevent provide the same soname (libtraceevent.so.1()(64bit)) so
there's no soname bump after all :)
I agree it's bad idea to bump library in stable release, but that's
really the only way I can find to fix a bug there. OTOH it only changes
the minor version (1.6 to 1.7) and I've read the git commits and did
some testing before updating which makes me feel it's safe. That's why I
do such risky thing.
As for libtracefs I've built it in side tag f39-build-side-65890. I plan
to update it in both Rawhide and Fedora 38 this week.
The same applies to libtracefs - the soname for both v1.5.0 and v1.6.4
is libtracefs.so.1()(64bit).
As for the soname change theory. I take it differently. Bumping from
1.6.x to 2.0.x is of course a soname change. But I've seen a couple of
times even changing the 2nd number (for example, 1.6.3 to 1.7.x) causes
issues in other libraries. That's why I decide to also announce the
change, just in case it really affects something I did not notice.
Thanks for your reply and review.
Fabio
--
Zamir SUN
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