> My concern is that locally compiled apps built against C++ libraries > other than libstdc++ will silently stop working on upgrade. This is > certainly not the most important issue facing us in the transition, but > so far it seems to me that people are regarding it as so *un*important > that it's not worth discussing at all.
Having been surprised by 64-bit stuff ceasing to work on sparc after the libc6 security upgrade, and then the additional amusement of no longer being able to compile anything 64-bit, I imagine the C++ breakage would be a whole lot less painless.