On Thu, Jan 25, 2018 at 4:13 AM, Richard W.M. Jones <rjones@xxxxxxxxxx> wrote: > On Thu, Jan 25, 2018 at 09:03:34AM +0000, Tom Hughes wrote: >> On 25/01/18 08:41, Richard W.M. Jones wrote: >> >On Thu, Jan 25, 2018 at 08:31:29AM +0100, Remi Collet wrote: >> >>Le 22/01/2018 à 16:24, Florian Weimer a écrit : >> >>>I updated redhat-rpm-config to instruct ld to reject linking shared >> >>>objects with undefined symbols. Such undefined symbols break symbol >> >>>versioning because the are not necessarily bound to the correct symbol >> >>>version at run time. (rhbz#1535422) >> >> >> >>So this break all the PHP stack build... >> >> >> >>(all php extensions are dl open plugins, relying on symbol from the engine) >> > >> >I think the -z defs change should be reverted. It breaks very long- >> >standing expected behaviour of linkers and there's been no proper >> >justification for doing it. >> >> Other than detecting cases where shared libraries were missing >> NEEDED entries for other shared objects that they use? > > I can't remember now what it's called but there's another way to do > that which all other distros except Fedora use. > -Wl,--as-needed and -Wl,--no-undefined c.f.: http://gitweb.mageia.org/software/rpm/rpm-setup/tree/build.macros.in#n221 openSUSE uses the same approach, but apparently the file doesn't render on their VCS due to not being UTF-8. :/ -- 真実はいつも一つ！/ Always, there's only one truth! _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
