On Mon, 5 Mar 2012, Rainer Orth wrote:
> The only two users of MIPS_DEBUGGING_INFO are on their way out: I've
> just submitted a patch to remove the OpenBSD/MIPS configuration, and
> IRIX removal will follow soon. There seems to be no point in retaining
> what seems to be primarily workarounds for quirks in SGI dbx, so the
> following patch removes all other remnants of MIPS_DEBUGGING_INFO.
As a removed target macro it should be poisoned in system.h.
Joseph S. Myers