gdb_stat_h = gdb_stat.h
gdb_string_h = gdb_string.h
gdb_thread_db_h = gdb_thread_db.h
-gdbthread_h = gdbthread.h $(breakpoint_h) $(frame_h)
+gdbthread_h = gdbthread.h $(breakpoint_h) $(frame_h) $(ui_out_h)
gdbtypes_h = gdbtypes.h $(hashtab_h)
gdb_vfork_h = gdb_vfork.h
gdb_wait_h = gdb_wait.h