[PATCH] sim: leverage gnulib

[Jeff Law]

On 5/28/2021 8:55 PM, Mike Frysinger via Gcc-patches wrote:
> We use getline, so leverage gnulib to provide fallback implementation.
>
> ChangeLog:
>
> 	* configure.ac: Add gnulib to configdirs for sim.
> 	* configure: Regenerate.
OK
jeff