Does that problem actually exist?
http://marc.theaimsgroup.com/?l=linux-kernel&m=103253890431473&w=2
Jakub Jelinek <jakub@redhat.com> wrote on 2002-09-20 16:15:25
> glibc supports .note.ABI-tag notes for libraries, so there is no problem
> with having NPTL libpthread.so.0 --enable-kernel=2.5.36 in say
> /lib/i686/libpthread.so.0 and linuxthreads --enable-kernel=2.2.1 in
> /lib/libpthread.so.0. The dynamic linker will then choose based
> on currently running kernel.
> (well, ATM because of libc tsd DL_ERROR --without-tls ld.so cannot be used
> with --with-tls libs and vice versa, but that is beeing worked on).
>
It should be possible to have one library that supports both syscall
interfaces for gettimeofday().
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