Re: undefined symbol when installing pgcrypto on 16.1

Michael Nolan <htfoot@gmail.com> writes:
> This is on AlmaLinux 9.3, installing postgresql from source code.
> In PG 16.1 when I try to install pgcrypto, the modules compile but I
> get this error when running checks:

>  CREATE EXTENSION pgcrypto;
> +ERROR:  could not load library
> "/home/postgres/src/postgresql-16.1/tmp_install/usr/local/pgsql/lib/
> pgcrypto.so": /home/postgres/src/postgresql-16.1/tmp_install/usr/local/pgsql/lib/pgcrypto.so:
> undefined symbol: EVP_cast5_cbc

That should be supplied by OpenSSL.  Are you using some weird
version of openssl?  Did you get any warnings during build?

            regards, tom lane