> I'm tying to learn how to make function in 'C'.
> I'm trying to compile a program I made in 'C'.
> The command I gave were:
>
> % gcc -fPIC -c addone.c -I/usr/local/pgsql/include
> % ld -G -Bdynamic -o addone.so addone.o
>
> and created the function in postgres like this:
>
> CREATE FUNCTION add_one(int4) RETURNS int4
> AS './addone.so' LANGUAGE 'c';
^^^^^^^^^^^^^
one must provide an absolute path here
--Gene