Re: PG_MODULE_MAGIC issue with small extension

Brent Douglas <brent(dot)n(dot)douglas(at)gmail(dot)com> writes:
> What I have found however is that when I go to load my extensions I get
> this error:
> test=# create extension pg_zlib;
> ERROR: incompatible library "/usr/local/lib/postgresql/pg_zlib.so":
> missing magic block
> HINT: Extension libraries are required to use the PG_MODULE_MAGIC macro.

Yeah, that would be expected if you don't include such a macro.

> And I can't for the life of me work out why. As far as I understand them,
> the docs indicate that this should only really happen if I'm compiling
> against an 8.* headers.

Hm, where are you reading that? I forget when the requirement was added,
but it's certainly never been dropped.

regards, tom lane