Re: Build issue with postgresql 17 undefined reference to `pg_encoding_to_char' and `pg_char_to_encoding' - Mailing list pgsql-hackers

Mikael,

On Thu, Oct 10, 2024 at 8:49 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>
> Mikael Sand <msand@seaber.io> writes:
> > RUN clang++ -fno-common -static -o main main.cpp \
> >     -L/usr/local/lib -lpq -lpgcommon -lpgport \
> >     -lldap -lsasl2 -lssl -lcrypto -llber \
> >     -lgssapi_krb5 \
> >     -lkrb5 -lk5crypto -lcom_err -lkrb5support \
> >     -lgdbm
>
> The short answer here is that your link recipe is wrong, and has been
> wrong right along, though you accidentally got away with it before.
> The modules within libpq expect to be linked with libpgcommon_shlib
> and libpgport_shlib, not libpgcommon/libpgport.
>
> Having external code that needs to know explicitly about every one
> of a library's dependencies is one of many reasons why we discourage
> static linking.

May I ask what problem you are trying to solve with static linking in
the first place?

--
Best regards,
Aleksander Alekseev