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with HTTPS for ; Tue, 03 Feb 2026 04:47:02 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/230418 On 2/3/26 04:10, Ricardo de Araujo (Salveti) wrote: > CAUTION: This email comes from a non Wind River email account! > Do not click links or open attachments unless you recognize the sender = and know the content is safe. > > On Fri, Jan 30, 2026 at 10:52=E2=80=AFPM Randolph Sapp wrot= e: >> On Fri Jan 30, 2026 at 9:22 AM CST, Ricardo de Araujo (Salveti) wrote: >>> On Thu, Jan 29, 2026 at 9:15=E2=80=AFPM Randolph Sapp wro= te: >>>> On Thu Jan 29, 2026 at 5:45 PM CST, Ricardo Salveti via lists.openem= bedded.org wrote: >>>>> On Tue, Jan 27, 2026 at 1:50=E2=80=AFPM Khem Raj via lists.openembe= dded.org >>>>> wrote: >>>>>> On Tue, Jan 27, 2026 at 8:31=E2=80=AFAM Randolph Sapp = wrote: >>>>>>> On Tue Jan 27, 2026 at 12:12 AM CST, Khem Raj via lists.openembed= ded.org wrote: >>>>>>>> I am seeing some additional diagnostics see >>>>>>>> >>>>>>>> https://autobuilder.yoctoproject.org/valkyrie/api/v2/logs/511915= 3/raw_inline >>>>>>>> >>>>>>>> I wonder if this is related. >>>>>>> Man, the mail clients are having fun with this thread. >>>>>>> >>>>>>> Yeah, I'm able to reproduce that issue locally now. Not sure why = it's this >>>>>>> package subset that's acting up, but it is directly related to th= e LDFLAGS >>>>>>> change unfortunately. >>>>>> I think this is exposing the underlying issue in packages perhaps = because they are >>>>>> not respecting CFLAGS and when it's gone from LDFLAGS the mapping = related >>>>>> flags go missing. I have a local patch to fix memstat e.g in maste= r-next, all failures >>>>>> perhaps need to be looked into one by one and passed cflags from O= E env which >>>>>> might have been missed thus far. >>>>> Just noticed a similar failure with lxc (meta-virtualization), but >>>>> while the prefix-map options are provided via CFLAGS, it only works >>>>> when provided via LDFLAGS, probably due LTO (enabled by default by >>>>> lxc). >>>>> >>>>> Patch available at >>>>> https://lists.yoctoproject.org/g/meta-virtualization/message/9553 >>>>> >>>>> I guess recipes forcing LTO will probably have similar issues. >>>> Ran a test locally. Looking at the do_compile log there are actually= several >>>> compilation steps that do not have the macro prefixes passed as cc a= rguments. >>>> >>>> That LTO bug has actually been addressed, it's just as Khem Raj poin= ted out, >>>> sometimes CFLAGS is ignored and passing the prefixes with LDFLAGS wa= s masking >>>> that problem. >>> I did look into one of the binaries and it was built with the right >>> cflags options, but didn't investigate too much. >>> >>> I can also confirm that it works fine after disabling LTO, that is wh= y >>> I think it could be related to it. >> Oh boy. Looking into this more today, spending plenty of time trying t= o make >> sure it wasn't meson or some other argument combination causing issues= , I >> stumbled upon this thread [1]. They report the same issue with debug-p= refixes, >> but they also cite potentially package dependent behavior with LTO. Th= ere are >> quite a few open threads about LTO behavior in general that are concer= ning. >> >> Maybe this should be reverted and the alternative solution for cgo bin= ary >> reproducibility should be taken instead [2]? I don't really have the r= esources >> to start on compiler development at the moment. > Right, it might be indeed better to revert for now as we will probably > face similar LTO issues with multiple recipes and layers, since the > bug is still valid upstream. I did a world build with this patch + LTO enabled with our distro,=C2=A0=20 there are many failures, and it should be related to this change.=C2=A0 I did not check them all one by one, just check some o= f=20 them.=C2=A0 Eg:=C2=A0 cups(oe-core) Maybe we can only append DEBUG_PREFIX_MAP in TARGET_LDFLAGS when LTO=20 enabled. I will send a patch for this later. So we don't need to revert this change,=C2=A0 and but we also need to tak= e=20 the following commit: https://lists.openembedded.org/g/openembedded-core/message/230059 Regards Changqing > > Thanks, > > Ricardo