https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81415
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |INVALID Status|UNCONFIRMED |RESOLVED --- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- GCC does not implement ioctl/tcgetattr. Either this is a glibc issue or a kernel issue.