Randall Barber <rdb55(at)email(dot)byu(dot)edu> writes:
> I want to write a C++ app using the libpq++ library, but it was not built =
> or installed.
Presumably because you didn't say --with-cxx (or however that option is
spelled) so configure didn't go looking for a C++ compiler. You need
to reconfigure.
regards, tom lane