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). [1] https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/306/arch=amd64,compiler=gcc,platform=mesa,release=xenial/consoleFull [2] https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/307/arch=amd64,compiler=gcc,platform=mesa,release=xenial/consoleFull [3] https://mir-jenkins.ubuntu.com/job/build-2-binpkg-mir/307/arch=cross-armhf,compiler=gcc,platform=android,release=vivid+overlay/consoleFull [4] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=775539 -- Mir-devel mailing list Mir-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/mir-devel
