On 19 Apr 2015 22:26, Chen Gang wrote:
> Under Darwin, ioctl() is declared in "sys/ioctl.h", but except for some
> special control commands, we do not want to include "sys/ioctl.h". So
> declare it explicitly, the related warning:

readline patches should be sent to the readline project:
https://lists.gnu.org/mailman/listinfo/bug-readline
-mike