> I note that this is a deliberate difference between the elfutils libelf > interface and other libelf implementations, which use off_t in the > public interface and don't have LFS support on 32bit systems. We were > lucky enough to use off64_t, then loff_t, from the start, so we always > support LFS as far as possible.
Actually for early releases we used off_t in the public header but compiled the library with _FILE_OFFSET_BITS=64, so the ABI was broken for vanilla 32-bit clients of the library.