chat, pppoed: Move to the ppp package

MFC after: 1 day
Reviewed by: manu
Differential Revision: https://reviews.freebsd.org/D52650

Remove residual blank line at start of Makefile

This is a residual of the $FreeBSD$ removal.

MFC After: 3 days (though I'll just run the command on the branches)
Sponsored by: Netflix

Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

chat, pppoed: Move to the ppp package

MFC after: 1 day
Reviewed by: manu
Differential Revision: https://reviews.freebsd.org/D52650

Remove residual blank line at start of Makefile

This is a residual of the $FreeBSD$ removal.

MFC After: 3 days (though I'll just run the command on the branches)
Sponsored by: Netflix

Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

Import chat(8) from ppp-2.3.1 distribution

Obtained from: Paul Mackerras <paulus@cs.anu.edu.au>

Rename logf --> chat_logf to avoid naming conflicts
with GCC built-in (and with C90 reserved library name).

Approved by: gordon (Mentor)

Replace -fno-builtin-logf with a -D argument to change the function name.

Disclaim ownership of pppd/chat. It is vendor code, but has been badly
neglected here.

The math function logf() probably isn't doing us much good for logging
stuff. Add -fno-builtin-logf.

Remove GCC-specific flags.

MAN[1-9] -> MAN.

$Id$ -> $FreeBSD$

Tweaks to allow compiling -Wall (mostly adding "const" to char rcsid[]).

Cleanup and remove the not-too-useful examples. The current versions
should be in share/examples if anywhere.

Revert $FreeBSD$ to $Id$

Make the long-awaited change from $Id$ to $FreeBSD$

This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so

Make the long-awaited change from $Id$ to $FreeBSD$

This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.

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Merge in changes from ppp-2.2's chat onto the mainline...

This commit was generated by cvs2svn to compensate for changes in r11987,
which included commits to RCS files with non-trunk default branches.

Vendor branch import of chat from ppp-2.2 package..

chat for ppp, from ppp 2.1.2

This commit was generated by cvs2svn to compensate for changes in r4374,
which included commits to RCS files with non-trunk default branches.

chat, pppoed: Move to the ppp package

MFC after: 1 day
Reviewed by: manu
Differential Revision: https://reviews.freebsd.org/D52650

Remove residual blank line at start of Makefile

This is a residual of the $FreeBSD$ removal.

MFC After: 3 days (though I'll just run the command on the branches)
Sponsored by: Netflix