On Monday 11 June 2012 06:53:32 Khem Raj wrote: > On 6/11/2012 12:29 AM, Tomas Frydrych wrote: > > I find that -c clean does not work very well, afterward the package > > gets recompiled but instead of the actual package packages being > > rebuilt, an earlier version of the packages gets pulled out of > > sstate into the image. I definitely saw this behaviour with Yocto > > kernels, but I think happens with other packages as well; I always > > do -c cleansstate now to avoid this. > > yes thats the intended behavior if nothing changed that ensues a > recompile then it will use precompiled sstate for the package
To clarify, it's designed to be able to determine when the recipe has changed in such a way that it needs to be rebuilt (by building up dependencies between variables and computing a checksum of the value of each one, which ends up in a checksum for each task); if it sees no change then the previous task output will be used from the sstate cache. It's worth noting however that until recently (post-1.2) we did not handle when local files referred to in SRC_URI changed. There also still may be other circumstances under which changes to the recipe or variables which it refers to will not change the sstate checksums; if you come across a situation where you made a change and sstate was re-used when you expected it to be rebuilt, please raise it. Cheers, Paul -- Paul Eggleton Intel Open Source Technology Centre _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto
