V Thu, Feb 03, 2022 at 09:26:09AM -0500, Simo Sorce napsal(a): > On Thu, 2022-02-03 at 15:15 +0100, Petr Pisar wrote: > > V Thu, Feb 03, 2022 at 08:56:20AM -0500, Simo Sorce napsal(a): > > > On Thu, 2022-02-03 at 10:09 +0100, Florian Weimer wrote: > > > > * Richard W. M. Jones: > > > > > > > > > Thinking about this a bit more, the implementation of this feature > > > > > simply seems to be wrong. RPM already has a final stage where it > > > > > strips ELF files and builds debuginfo. Why wasn't the addition of > > > > > package notes done there? > > > > > > > > The package notes are in an allocatable section, to be mapped at run > > > > time, so that they end up in core files. As far as I know, it's not > > > > reliably possible to add such data to an ELF file after the final > > > > (non-relocatable) link. > > > > > > > > We would have to pre-allocate some fixed space and fill it in later. > > > > > > > > Cleaner approaches are possible if we teach the core dumper how to copy > > > > select data from non-allocated sections. I think we would then need > > > > just a placeholder program header. > > > > > > While it is nice to discuss future options, do we have a way to fix > > > FTBFS's in rawhide _now_ ? > > > > > You can disable embedding the package notes by undefining _package_note_file > > macro in the package which builds in the linker flags. See > > <https://src.fedoraproject.org/rpms/perl/c/4751b01e52fad1ef9c3012675791d979436ff8fe.patch> > > for an example. Kudos to Jitka. > > No I could not, because I still got the dependent krb5 package to bring > in another unavailable linker script. > > FTR we resolved this by rebuilding krb5-libs *without* notes, and then > I could rebuild python-gssapi also without notes. > > However I resent a bit that I had to chase down this problem myself, > days after it had already been exposed, and basically manually disable > this feature for a large part of Fedora (anything that links to krb5 > now is missing these notes, rights?) No. krb5-libs will miss its notes. But python-gssapi will contain its correct notes. (Provided python-gssapi links to krb5-libs dynamically. I don't know whether the notes only record a source package name the ELF file belongs to, or whether they try to track origin of all object files the ELF consists of.) -- Petr
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