febin jacob <febinjacob@gmail.com> writes:
> I installed PostgreSQL without using "-enable-debug". Now I would like to
> modify some files. Do I need to re-install PostgreSQL with "-enable-debug".
> I would be grateful if you let me know whether I can change this
> configuration without re-installing.
You need to reconfigure/rebuild/reinstall the executables, but you can
still use them with the same database.
regards, tom lane