Ted Petrosky writes:
> [localhost:~] postgres% c++ -I/usr/local/pgsql/include -o myapp t2.cpp -L/usr/> local/pgsql/lib -lpq++> /usr/bin/ld: Undefined symbols:> _PQclear[...]
Add -lpq.
-- Peter Eisentraut peter_e(at)gmx(dot)net