Jim, Would you share your toolchain improvements with Michael and also file the bug you ran into? Michael, do you think it makes sense to create a new bp like:
linaro-android-gcc-linaro-4.5-2011.05 that we can file bugs against? On 29 May 2011 17:44, Michael Hope <michael.h...@linaro.org> wrote: > On Fri, May 27, 2011 at 11:20 PM, Alexander Sack <a...@linaro.org> wrote: >> Hi Jim, >> >> On Fri, May 27, 2011 at 1:06 PM, Jim Huang <jim.hu...@linaro.org> wrote: >>> Hello list, >>> >>> If you build Android using gcc-linaro-4.5-2011.05 [1], you will >>> encounter a problem that bootanimation shows endless. It results from >>> the mis-optimization in libgui, which handles the operations in >>> Android SensorManager. >>> >>> To work around this problem, you can apply the following patch: >>> >>> --- a/libs/gui/Android.mk >>> +++ b/libs/gui/Android.mk >>> @@ -18,6 +18,8 @@ LOCAL_SHARED_LIBRARIES := \ >>> >>> LOCAL_MODULE:= libgui >>> >>> +LOCAL_CFLAGS += -O0 >>> + >> >> in channel you said that -O1 is also working ... do we need O0 here? >> >> one idea would be to make a list of all optimizations that come for O2 >> and then spin builds with adding one at a time ... in that way we can >> narrow down things. Not sure if that would be helpful for fixing the >> issue. >> >> we definitly should file a bug against linaro-android project and then >> also add gcc-linaro project so it gets visibility of toolchain WG. > > Hi guys. Yip, let's start doing this properly. Can I suggest the > same as the Ubuntu relationship and methods? Basically: > > * You find an issue > * Log a bug on Launchpad against the component or, failing that, > linaro-android > * Figure out if it is a toolchain or package problem > * Figure out if there is a work around such as changing the optimisation > level > > If it is a toolchain issue: > * Feel free to do a work around in the package > * Add the right tags so you can revert the workaround in the future > * Mark the bug as affecting gcc-linaro > * Provide sufficient information to reproduce the bug - preprocessed > source would be great! > > and we'll get on to it. > > We'll need some help in setting up a test environment. Note that a > lot of the triage work is on the distribution side (i.e. Android). > > -- Michael > _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
