Peter Eisentraut <peter_e@gmx.net> writes:
> Martin Pitt has detected that the libpq API has changed incompatibly
> between 7.4 and 8.0. This has the effect, for example, that 7.4's psql
> cannot run with 8.0's libpq.
[ shrug... ] I don't think we've ever guaranteed that anyway. I will
resist putting get_progname back into libpq, because it should never
have been there, at least not with that name: it's an undocumented
infringement on application namespace.
regards, tom lane