On Wed, Mar 02, 2016 at 07:58:44PM +0200, Alexandros Frantzis wrote: > On Tue, Mar 01, 2016 at 05:08:47PM +1100, r...@ubuntu.com wrote: > > Hey all, > > > > Pursuant to Alan's comment¹ and subsequent follow-ons, in the interests of > > rapid CI turnaround Jenkins now does regular CI runs with > > DEB_BUILD_OPTIONS=noopt. This currently means it does an -O0 build, and will > > disable LTO when that lands. > > > > These changes don't apply to the pre-autolanding builds; they will continue > > to be run with the standard Debian optimisations (-O2) and with LTO (again, > > once that lands). > > > > For those playing at home, the relevant parameter is $run_landing_checks on > > build-2-binpkg-mir if you've got any other checks that should be enabled > > prior to landing but not every CI run. > > > > ¹: > > https://code.launchpad.net/~raof/mir/fix-and-enable-lto/+merge/282133/comments/733096 > > Thanks Chris! > > I noticed that after the LTO branch landed, the mir-ci jobs started > taking longer, which is not consistent with disabling optimizations and > LTO. > > It turned out there was a misconfiguration in the build-mir job, causing > $run_landing_checks to always be true in all invocations of > build-2-binpkg-mir. I corrected the problem and it had the effect we > want on non-cross builds (e.g., see [1] vs [2]). > > Unfortunately, the problem persists on cross builds (e.g., see [3]), due > to an sbuild peculiarity/bug: when cross building, sbuild overwrites > DEB_BUILD_OPTIONS (setting it to "nocheck"). See the the debian bug > report [4] for more info. > > I will investigate a few potential workarounds tomorrow (unless someone > else gets to it first). >
Cross building is now fixed (see [1]) using a workaround in ~/.sbuildrc. I have also added the fix to the preparation jobs, so it will be applied automatically if we need to redeploy. [1] https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/313/arch=cross-armhf,compiler=gcc,platform=android,release=vivid+overlay/consoleFull -- Mir-devel mailing list Mir-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/mir-devel
