Hi, ----- Original Message ----- > From: "Sage Weil" <sage@xxxxxxxxxxxx> > To: ceph-devel@xxxxxxxxxxxxxxx > Sent: Thursday, April 28, 2016 7:14:15 PM > Subject: Re: building boost statically > > On Thu, 28 Apr 2016, Robin H. Johnson wrote: > > On Thu, Apr 28, 2016 at 06:47:55PM -0400, Sage Weil wrote: > > > Hi all, > > > > > > We'd really like to use the latest boost, mainly so that we can use > > > small_vector in a zillion places and avoid extra memory allocations. The > > > distros, as always, are behind. > > > > From a distribution perspective, LESS static building is better, so this > > proposal is a concern, but I do realize that the Gentoo/ArchLinux/CoreOS > > perspective is very different than the Ubuntu LTS perspective. > > > > What's the state of having a more-up-to-date Boost in things like Ubuntu > > backports, so that you don't have the overhead of having to maintain > > your own boost packages or statically link? > > > > If support for statically linking a newer Boost is brought it, please, > > please keep dynamic boost builds as fully supported, for distributions > > that can keep up to date. As a bonus, at some point in the future, when > > the slower distributions catch up, you might be able to escape the > > static again. > > Yeah, having the option to either build statically or dynamically against > an up-to-date distro is probably the right carrot/stick combination to > incentivize the distros to move to a newer boost. ++ > > Being able to conditionally not use the new stuff (e.g., typedef > small_vector<> back to vector<>) may or may not work well, depending on > which new thing we're trying to use. I wouldn't want to do that. > > FWIW, we made the static -> dynamic transition with leveldb because the > distros complained and it was nothing but sadness--so so many hours wasted > chasing bugs in ancient distro versions of leveldb, and a huge matrix of > version possibilities that made it difficult to reproduce user issues. I > can't tell if there was ever an instance where it actually gained us > anything (e.g., security update in leveldb), but I kind of doubt it. This reminds me--we seem to still have issues with distro leveldbs, rocksdbs and clang++. Matt > > sage > -- -- Matt Benjamin Red Hat, Inc. 315 West Huron Street, Suite 140A Ann Arbor, Michigan 48103 http://www.redhat.com/en/technologies/storage tel. 734-707-0660 fax. 734-769-8938 cel. 734-216-5309 -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
