"Graeme Stobbart" <graeme@peters.co.uk> writes:
> /usr/lib/libpq.a (fe-auth.a): In function `pg_password_sendauth`:
> fe-auth.o(.text+0x30): undefined reference to `crypt`
On some platforms you need to specify -lcrypt explicitly when linking.
(Sometimes crypt() is in the standard library, sometimes not.)
regards, tom lane