Re: pg_upgrade and cross-library upgrades

Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> 002_pg_upgrade.pl can test for presence or absence of pgcrypto by
> grepping pg_config --configure for --with-ssl or --with-openssl.  If the
> old cluster has it but the new doesn't, we must drop the
> contrib_regression_pgcrypto database.

Hmm, but you'd also need code to handle meson builds no?  Could it
be easier to look for the pgcrypto library in the new installation?

Not entirely sure this is worth the effort.

            regards, tom lane