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Date: Thu, 07 Nov 2019 14:02:00 -0000
From: Richard Biener <rguenther@suse.de>
To: Alexandre Oliva <oliva@adacore.com>
cc: gcc-patches@gcc.gnu.org, ebotcazou@adacore.com, joseph@codesourcery.com
Subject: Re: introduce -fcallgraph-info option
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On Thu, 7 Nov 2019, Alexandre Oliva wrote:

> On Nov  7, 2019, Richard Biener <rguenther@suse.de> wrote:
> 
> > So how's -dumpbase handled?
> 
> It's part of the gcc driver interface, and lto-wrapper passes it to gcc
> for -fltrans compilations.  -auxbase isn't, so one of the alternatives I
> suggested involved our taking auxbase from dumpdir & dumpbase for
> -fltrans compilations.  The other alternatives amounted to exposing
> auxdir or auxbase in the driver interface, so that lto-wrapper could
> specify them explicitly.

Both variants sound reasonable to me (also raises the question why
we have both -dumpbase and -auxbase ...)

Richard.