[LARTC] tcng version 8z

[Werner Almesberger <wa@almesberger.net>]

... is on SourceForge, http://tcng.sourceforge.net/#src

Besides a bunch of bug fixes, this release also contains a
greatly improved version of the comtc utility that copies
comments from the tcng source to tcc's "tc" output.

There are a few infrastructure changes to make comtc work
smoothly:

 - tcc's -E option is now called -Wexperror or -Wexppostopt,
   respectively
 - tcc has a _new_ -E option that makes it behave much like
   gcc -E
 - tcc also has a new option -f that is used to override the
   input file

Some of the bug fixes are also significant:

 - if_u32.c sometimes generated incorrect classifiers when using
   meta fields (disabled by default)
 - tcc and tcsim happily copied all file name arguments to cpp,
   which would then equally happily overwrite the second file

Also, tcsim's "end" command now checks if there are any polled
devices with pending packets, and prints an error in this case.

The full change log is below, as usual.

By the way, there are now more than 1500 regression tests.

- Werner

---------------------------------- cut here -----------------------------------

Version 8z (10-OCT-2002)
------------------------

- tcc and tcsim allowed passing more than one file name to cpp, which treats
  the second file name as output file (tests/tcng-8z)
- protocol support for u32 mis-attached subexpressions under new field root
  (tests/protcomb)
- tests/htbquant and tests/tcstimstp did not probe if HTB is available before
  using it
- tcsim stopped HTB timers before last packet was sent (tests/tcstimstp)
- tcsim now detects stopped devices with packets pending at "end"
  (tests/tcstimstp)
- updated tests/basic, tests/tcssnap, tests/u32dlb, and tests/u32slb according
  to above change
- -Wexpensive did not warn about implicit negation (tests/tcng-8z)
- tcc: replaced -E with -Wexperror, and -E -E with -Wexppostopt (tests/newexp)
- updated tests/bitfield, tests/bittest, tests/expensive, tests/ne,
  tests/tcng-5y, and tests/tcng-7a according to above change
- tcc -E now runs cpp without any further processing (just like gcc -E;
  tests/tccin)
- tcc: added option -f infile to read from specified file, ignoring input file
  argument (tests/tccin)
- tcc now writes location map after dumping, in order to include
  target-specific fixups in map
- added script toys/comtc that copies comments immediately preceding elements
  to tc output (tests/comtc)
- runtests.sh: added command comtc to invoke toys/comtc
- tcc sometimes forgot that "prio" qdisc now supports policing (tests/tcng-8z)
- cleaned up hack causing compiler warning in if_u32.c

-- 
  _________________________________________________________________________
 / Werner Almesberger, Buenos Aires, Argentina         wa@almesberger.net /
/_http://www.almesberger.net/____________________________________________/
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