Re: ubuntu 9.10 AMD64 undefined reference to `optreset'

Graham Swallow <lists@information-cascade.co.uk> writes:
> 9.0 beta1 tarball
> configure --prefix=/tmp/PG9/
> ...
> postmaster/postmaster.o: In function `PostmasterMain':
> postmaster.c:(.text+0x42ac): undefined reference to `optreset'
> tcop/postgres.o: In function `process_postgres_switches':
> postgres.c:(.text+0x12fb): undefined reference to `optreset'

That's very peculiar, because those files only attempt to touch optreset
if configure found that that variable is defined by the system
libraries.  Would you look at the part of config.log that begins with
"checking for optreset"?

            regards, tom lane