tl;dr: starting with R108, we’ll enforce packages be built with LFS flags on 32-bit systems (i.e. ARM 32-bit userland). newer packages missing the settings will fail to build with info as to why.
there are other ways that tools built w/out LFS can fail. for example a filesystem that has 64-bit inode values — programs can’t even stat() them. this doesn’t seem to have hit us in CrOS yet, but as we add more storage to some devices and the stateful partition grows, i suspect it might be a bit of a ticking time bomb. and one that might only affect some users in the field as the stateful fills up.
i’ve had a bug about this for a while, but wasn’t putting too much time into it because it wasn’t biting in a way we were actively seeing.
i finally dusted off the CLs to finish this up and they should be ready to land for R108.
there is a large list of existing packages that are known to be broken. we’ll file bugs for packages with owners to take a look at updating.
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