Steffn wrote: > I am currently trying my first steps in writing my own functions in C. I > read through the documentation and tried the most simple examples as shown in > <http://www.postgresql.org/docs/8.3/static/xfunc-c.html>. Sadly > this was already the point where I stumbled. I luckily compiled and > tested the add_one integer variant. But as soon as I added the > add_one_float8 I couldn't link no more. My linker dies with. > > Undefined symbols: > "_Float8GetDatum", referenced from: > _add_one_float8 in foo.o > ld: symbol(s) not found > collect2: ld returned 1 exit status > > Following the documentation I only added > "/Library/PostgreSQL/8.3/include/**" to my header search path. What else > do I need to configure? I guess that the include path you need is /Library/PostgreSQL/8.3/include/server. Where in the documentation did you find the path? I read the following in http://www.postgresql.org/docs/8.3/static/xfunc-c.html#AEN40954 "Use pg_config --includedir-server to find out where the PostgreSQL server header files are installed on your system" What is the result of "pg_config --includedir-server" for you? Yours, Laurenz Albe -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
