On 2024/05/23 12:37, Laurent Cheylus wrote:
> 
> You probably have an old version of devel/msgpack port. The msgpack library was renamed from msgpackc to msgpack-c with the last update (5.0 -> 6.0, commit by uaa@ Tue Feb 20 2024).
> Need to clean your orphan packages via 'pkg_delete -a' to remove the old version.

check for old stuff in /usr/ports/mystuff and /usr/ports/packages too.