2. fpu in setjmp and bsd setjump..
   need kernel support.
3. time stuff from ?
   It may affect the compatibility of the shared library.
4. regex (new one?)
5. termcap/ncurses
   It may affect the compatibility of the shared library.
6. dbm
   It may affect the compatibility of the shared library.
7. strftime
   It may affect the compatibility of the shared library.
8. GPL to be changed to LGPL by the FSF in
  sysdeps/linux/mkfifo.c
  sysdeps/linux/morecore.c
  sysdeps/linux/nlist.c
  sysdeps/linux/__getpgsz.c
  sysdeps/linux/__getpgsz.c
9. NYS/shadow.
