memprof_m does not exist for non linux systems
on non-linux systems the DataSink::memprof_m
does not exist https://gitlab.psi.ch/OPAL/src/blob/master/src/Structure/DataSink.h#L317
and should be removed from the source as well.
#ifdef __linux__
std::unique_ptr<MemoryProfiler> memprof_m;
#endif