On Tue, Nov 19, 2013 at 3:36 PM, Joern Rennecke <joern.renne...@embecosm.com> wrote: > On 19 November 2013 18:20, Diego Novillo <dnovi...@google.com> wrote: > >> Right, because you're using 4.8. These warnings disappear when using >> trunk and/or do not actually break the build. I suppose this is too >> much for the buildbot then? It won't have a recent trunk around, so >> perhaps restricting it to the targets that actually build with 4.8 is >> the way to go. > > No, that will likely get you the empty set. > The most repeatable results are obtained by using the source tree under test > to bootstrap a native compiler on the host first. If you use one massive host > to run all of config-list.mk, that extra preparation generally doesn't make > all that much difference (unless you happen to have a host with # of cores > similar to # of test targets). > > If you run these tests on a host that also occaisonally does native bootstrap > tests, you could extend that script to specify a --prefix and install > the compiler > if it's good.
Even when using the same compiler you just built, there are targets that do not build cleanly with -Werror. I proposed cleaning them up. Steven suggested that we take them out of config-list.mk. Either works with me. Diego.