Re: using libjansson in postgres extension

+andrew.
Thoughts?

On Thu, 23 Feb 2023 at 19:08, mahendrakar s <mahendrakarforpg(at)gmail(dot)com>
wrote:

> Hello Hackers,
>
> I'm developing an extension where in it indirectly references (libjansson)
> and libjansson has a symbol json_object
> <https://github.com/akheron/jansson/blob/master/src/load.c#:~:text=json_t%20*object%20%3D%20json_object()%3B>which
> conflicts with postgres symbol 'json_object
> <https://github.com/postgres/postgres/blob/master/src/backend/utils/adt/json.c#:~:text=json_object(PG_FUNCTION_ARGS)>
> '.
>
> I see below:
> PostgreSQL: Documentation: 11: 38.10. C-Language Functions
> <https://www.postgresql.org/docs/11/xfunc-c.html#id-1.8.3.13.8>
> "Symbol names defined within object files must not conflict with each
> other or with symbols defined in the PostgreSQL server executable. You will
> have to rename your functions or variables if you get error messages to
> this effect."
>
> But this requires to maintain libjansson with customizations(have a
> different symbol) to meet the needs.
>
> Do you have any suggestions to use the libjansson 'as it is' without using
> the different symbol.
>
> Thanks,
> Mahendrakar.
>
>
>