https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67086
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |WONTFIX --- Comment #2 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- grt.adc contains the obsolete No_Run_Time pragma, which is responsible for the compilation failure. Just compile without the -gnatec flag as documented.