Move ppp.8.m4 back to ppp.8 and de-ifdef it.

Requested by: joel

MFC after:	1 week

usr.sbin/ppp/Makefile

@@ -44,13 +44,6 @@ M4FLAGS=
 LDADD= -lcrypt -lmd -lutil -lz
 DPADD=	${LIBCRYPT} ${LIBMD} ${LIBUTIL} ${LIBZ}
 
-.SUFFIXES: .8 .8.m4
-
-.8.m4.8:
-	m4 ${M4FLAGS} ${.IMPSRC} >${.TARGET}
-
-CLEANFILES= ppp.8
-
 .if defined(PPP_CONFDIR) && !empty(PPP_CONFDIR)
 CFLAGS+=-DPPP_CONFDIR=\"${PPP_CONFDIR}\"
 .endif

usr.sbin/ppp/ppp.8

@@ -1,5 +1,3 @@
-changequote({,})dnl
-changecom(,)dnl
 .\"
 .\" Copyright (c) 2001 Brian Somers <brian@Awfulhak.org>
 .\" All rights reserved.
@@ -65,10 +63,9 @@ This allows
 .Nm
 to act as a NAT or masquerading engine for all machines on an internal
 LAN.
-ifdef({LOCALNAT},{},{Refer to
+Refer to
 .Xr libalias 3
 for details on the technical side of the NAT engine.
-})dnl
 Refer to the
 .Sx NETWORK ADDRESS TRANSLATION (PACKET ALIASING)
 section of this manual page for details on how to configure NAT in
@@ -313,14 +310,13 @@ An extension to PAP and CHAP,
 allows authentication information to be stored in a central or
 distributed database along with various per-user framed connection
 characteristics.
-ifdef({LOCALRAD},{},{If
+If
 .Xr libradius 3
 is available at compile time,
 .Nm
 will use it to make
 .Em RADIUS
 requests when configured to do so.
-})dnl
 .It Supports Proxy Arp.
 .Nm
 can be configured to make one or more proxy arp entries on behalf of
@@ -3018,9 +3014,9 @@ The option can only be enabled if network address translation is enabled
 With this option enabled,
 .Nm
 will pass traffic for old interface addresses through the NAT
-ifdef({LOCALNAT},{engine,},{engine
+engine
 (see
-.Xr libalias 3 ) ,})
+.Xr libalias 3 ) ,
 resulting in the ability (in
 .Fl auto
 mode) to properly connect the process that caused the PPP link to
@@ -3428,18 +3424,17 @@ you wish to map to specific machines behind your gateway.
 .It nat deny_incoming yes|no
 If set to yes, this command will refuse all incoming packets where an
 aliasing link does not already exist.
-ifdef({LOCALNAT},{},{Refer to the
+Refer to the
 .Sx CONCEPTUAL BACKGROUND
 section of
 .Xr libalias 3
 for a description of what an
 .Dq aliasing link
 is.
-})dnl
 .Pp
 It should be noted under what circumstances an aliasing link is
-ifdef({LOCALNAT},{created.},{created by
-.Xr libalias 3 .})
+created by
+.Xr libalias 3 .
 It may be necessary to further protect your network from outside
 connections using the
 .Dq set filter
@@ -3524,12 +3519,11 @@ for example:
 This command tells
 .Nm
 to proxy certain connections, redirecting them to a given server.
-ifdef({LOCALNAT},{},{Refer to the description of
+Refer to the description of
 .Fn PacketAliasProxyRule
 in
 .Xr libalias 3
 for details of the available commands.
-})dnl
 .It nat punch_fw Op Ar base count
 This command tells
 .Nm
@@ -3567,9 +3561,8 @@ if you want to support protocols such as RPC and LPD which require
 connections to come from a well known port.
 .It nat target Op Ar address
 Set the given target address or clear it if no address is given.
-The target address is used
-ifdef({LOCALNAT},{},{by libalias })dnl
-to specify how to NAT incoming packets by default.
+The target address is used by libalias to specify how to NAT incoming packets
+by default.
 If a target address is not set or if
 .Dq default
 is given, packets are not altered and are allowed to route to the internal
@@ -3577,10 +3570,7 @@ network.
 .Pp
 The target address may be set to
 .Dq MYADDR ,
-in which case
-ifdef({LOCALNAT},{all packets will be redirected},
-{libalias will redirect all packets})
-to the interface address.
+in which case libalias will redirect all packets to the interface address.
 .It nat use_sockets yes|no
 When enabled, this option tells the network address translation engine to
 create a socket so that it can guarantee a correct incoming ftp data or
@@ -6055,10 +6045,8 @@ This socket is used to pass links between different instances of
 .Xr kldload 2 ,
 .Xr pipe 2 ,
 .Xr socketpair 2 ,
-ifdef({LOCALNAT},{},{.Xr libalias 3 ,
-})dnl
-ifdef({LOCALRAD},{},{.Xr libradius 3 ,
-})dnl
+.Xr libalias 3 ,
+.Xr libradius 3 ,
 .Xr syslog 3 ,
 .Xr uucplock 3 ,
 .Xr netgraph 4 ,