On Wed, 18 Jun 2025, Greg Ungerer wrote:
> > > It's not really necessary to enforce this on Coldfire. However, since > > buildroot builds completely from source, it wouldn't even be a problem > > to change the alignment there as well. > > Yes, that is totally right in my experience. Certainly in my ColdFire > work it is pretty much always a build-everything approach via buildroot > or similar. I wouldn't think an ABI change would actually worry too many > ColdFire uses, they don't use distributions like debian on them. (I > would love to hear from anyone who does!). > That may work for end-users with a vendor BSP. But upstream developers need to be able to swap components. In general, when debugging I often have to run old binaries to find out whether I'm dealing with a deeper regression or not. Also, there is the bisection problem. It's not just a couple of distros who get to pay for an ABI break. It's the entire ecosystem.

