Auteur: User discussions Datum: Aan: User discussions Onderwerp: Re: [ros-users] Communicating between two user created packages
> >
> undefined reference to `my_namespace::X::X()`
>
> You need to add the linker flags to the exports as well. For example, from
roslib:
lflags="-Wl,-rpath,${prefix}/lib -L${prefix}/lib -lroslib"