On 1/15/26 1:55 AM, Florian Weimer wrote:
* Gordon Messmer:
## Approaches to consider:
We could use the DSO version, extracted from the symlink. In this
case, the expat-2.7.3 package would provide "libexpat.so.1()(64bit) =
1.11.1" and any package that links to libexpat.so.1 would require
"libexpat.so.1()(64bit) >= 1.11.1"
I don't think that's a good approach because upstreams do not
necessarily maintain these version numbers in a way that makes this
version check meaningful.
That should read 'because not all upstreams necessarily'
Certainly the NSS upstream is very consistent with making sure their new
symbols get added to the maps in the release that they fall into. To the
point that I don't add new symbols in my RHEL releases until I've picked
up an upstream rebase.
We need a way to override upstream versioning decisions without having
to alter the ABI at the ELF level.
Please make sure we can override the override if you do this, I don't
want to be second guessing to tools for a project that is already
properly handling these maps.
bob
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