On Thu, 7 Nov 2019, Alexandre Oliva wrote: > On Nov 7, 2019, Richard Biener <rguent...@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.