I believe you mean "not intended to be used by end users" :) Is it true that the generate assembly code should be the same with either option? ----- Original Message ----- From: Ian Lance Taylor <iant@xxxxxxxxxx> To: Hei Chan <structurechart@xxxxxxxxx> Cc: GCC-help <gcc-help@xxxxxxxxxxx> Sent: Thursday, August 8, 2013 8:49 AM Subject: Re: auxbase vs auxbase-strip On Wed, Aug 7, 2013 at 3:29 PM, Hei Chan <structurechart@xxxxxxxxx> wrote: > > I am trying to find the document for auxbase and auxbase-strip, but I can't find any. > > Any pointer? They are internal options used to support the -fcompare-debug options. They are intended to be used by end users. Ian