https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105678
--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Francisco from comment #0) > Maybe I am missing something, Yes, you need to link to the extra lib that gets built by the extra configure option you gave. > maybe the documentation is missing something, Yes, it is. > or maybe this is still very experimental. Yes, it is.