Replace "/etc/make.conf" with references to make.conf(5)

where applicable.  The main reason for this change is that
the location of make.conf is not constant and can be
modified via __MAKE_CONF.  This change also improves
hyper-text linkage in our manpages.

MFC after:	2 weeks

sbin/reboot/boot_i386.8

@@ -272,7 +272,7 @@ set the speed of the serial console to
 The default is 9600 unless it has been overridden by setting
 .Va BOOT_COMCONSOLE_SPEED
 in
-.Pa /etc/make.conf
+.Xr make.conf 5
 and recompiling the boot blocks.
 .It Fl v
 be verbose during device probing (and later).
@@ -343,6 +343,7 @@ is reported by the second-stage bootstrap, it generally means that this
 requirement has not been adhered to.
 .Sh SEE ALSO
 .Xr ddb 4 ,
+.Xr make.conf 5 ,
 .Xr ttys 5 ,
 .Xr boot0cfg 8 ,
 .Xr bsdlabel 8 ,

share/man/man5/style.Makefile.5

@@ -145,7 +145,7 @@ The usage of
 is spelled
 .Dq Li "WARNS?=	" ,
 so that it may be overridden on the command line or in
-.Pa /etc/make.conf .
+.Xr make.conf 5 .
 .It
 .Dq Li "NO_WERROR= yes"
 should not be used,
@@ -263,6 +263,7 @@ SRCS=	foo.c
 .Ed
 .Sh SEE ALSO
 .Xr make 1 ,
+.Xr make.conf 5 ,
 .Xr style 9
 .Sh HISTORY
 This manual page is inspired from the same source as

share/man/man7/build.7

@@ -70,7 +70,7 @@ Removes any files created during the build process.
 Installs the results of the build for this directory.
 .It Cm update
 Gets updated sources as configured in
-.Pa /etc/make.conf .
+.Xr make.conf 5 .
 .El
 .Pp
 The other
@@ -150,7 +150,6 @@ installed.
 .El
 .Sh FILES
 .Bl -tag -width ".Pa /usr/share/examples/etc/make.conf" -compact
-.It Pa /etc/make.conf
 .It Pa /usr/doc/Makefile
 .It Pa /usr/doc/share/mk/doc.project.mk
 .It Pa /usr/ports/Mk/bsd.port.mk

share/man/man7/development.7

@@ -268,7 +268,7 @@ is softlinked into what will be read-only on all of your
 clients, you have to tell the ports system to use a different working
 directory to hold ports builds.
 You want to add a line to your
-.Pa /etc/make.conf
+.Xr make.conf 5
 file on the master server
 and on all your clients:
 .Bd -literal -offset 4n
@@ -494,7 +494,7 @@ the install tried to write into the read-only
 .Pa /usr/obj ,
 then it is likely
 that the
-.Pa /etc/make.conf
+.Xr make.conf 5
 file on the client does not match the one on the
 master server closely enough and the install is trying to install something
 that was not built.
@@ -681,6 +681,7 @@ My recommendation is to only keep the CVS repository synchronized via
 .Sh SEE ALSO
 .Xr crontab 1 ,
 .Xr crontab 5 ,
+.Xr make.conf 5 ,
 .Xr build 7 ,
 .Xr firewall 7 ,
 .Xr release 7 ,

share/man/man7/release.7

@@ -410,7 +410,6 @@ to execute up to four processes at a time.
 .El
 .Sh FILES
 .Bl -tag -compact
-.It Pa /etc/make.conf
 .It Pa /usr/doc/Makefile
 .It Pa /usr/doc/share/mk/doc.project.mk
 .It Pa /usr/ports/Mk/bsd.port.mk

share/man/man8/diskless.8

@@ -106,7 +106,7 @@ you can install a version that uses
 by setting
 .Li LOADER_TFTP_SUPPORT=YES
 in your
-.Pa /etc/make.conf ,
+.Xr make.conf 5 ,
 then recompiling and reinstalling
 .Xr pxeboot 8
 via the command listed below.
@@ -453,6 +453,7 @@ encryption keys.
 .Xr ethers 5 ,
 .Xr exports 5 ,
 .Xr bootpd 8 ,
+.Xr make.conf 5 ,
 .Xr mountd 8 ,
 .Xr nfsd 8 ,
 .Xr pxeboot 8 ,