Hi,

I committed a change to update nettle version numbers, which implies a
new symbol version for internal symbols.

That seems to break the gnutls ci build,
https://gitlab.com/gnutls/nettle/-/jobs/487360242

The error is 

1217 ./bootstrap: getting translations into po/.reference for gnutls...
1218 wget: /lib64/libhogweed.so.5: version `HOGWEED_INTERNAL_5_0' not found 
(required by /lib64/libgnutls.so.30)
1219 wget: /lib64/libnettle.so.7: version `NETTLE_INTERNAL_7_0' not found 
(required by /lib64/libgnutls.so.30) 

I don't quite understand all details. This job buils and installs
nettle, as

  ./configure --disable-documentation --prefix=/usr --libdir=/usr/lib64 &&
    make -j4 && make install

replacing any previously instaled version with the same soname. So
that's a somewhat broader test than I had expected. That explains why
linking of wget is affected.

The more worring part is that the installed gnutls library seems to
depend on internal nettle symbols (it would have been nice if the error
message named the offending symbols). Is that intended? 

It's not necessarily wrong, but any packaged version of gnutls built
that way *must* be marked to depend on exactly the same versions of
nettle with which it was built. And the ci rule would need to use a
different prefix and some other way to tell the gnutls build to use the
newly built nettle library instead of the system version.

On my own debian machine I have libgnutls.so.30, but apparently an older
version. According to

  objdump -T /usr/lib/x86_64-linux-gnu/libgnutls.so.30

the version I have refers only to symbols with version NETTLE_6 and
HOGWEED_4, i.e., nettle version older than 3.5. And no mention of
NETTLE_INTERNAL or HOGWEED_INTERNAL.

Regards,
/Niels

-- 
Niels Möller. PGP-encrypted email is preferred. Keyid 368C6677.
Internet email is subject to wholesale government surveillance.

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