Move ITS configuration to a directory called conf.

Makefile

@@ -1,15 +1,6 @@
 EMULATOR ?= simh
 
-# Network configuration for ITS.  Note: for now, the two-letter ITS
-# name is hardcoded to DB, which is short for DistriBution.
-HOSTNAME=DB-ITS.EXAMPLE.COM
-IP=192.168.1.100
-GW=192.168.0.45
-NETMASK=255,255,255,248
-CHAOS=no #Or octal Chaosnet address
-CHAFRIENDS=chip=3150/no.nocrew.org \
-           chip=3143/up.update.uu.se \
-           chip=7100/sj.gewt.net
+include conf/network
 
 # The directores listed in SRC, DOC, and BIN are put on the sources tape.
 SRC = system syseng sysen1 sysen2 sysen3 sysnet kshack dragon channa	\
@@ -89,6 +80,7 @@ src/syshst/$(H3TEXT): build/$(H3TEXT)
 	sed -e 's/%IP%/$(IP)/' \
 	    -e 's/%HOSTNAME%/$(HOSTNAME)/' \
 	    -e "s/%CHAOS%/$$c/" < $< > $@
+	cat conf/hosts >> $@
 
 $(KLH10):
 	cd tools/klh10; \

README.md

@@ -57,6 +57,7 @@ six-character parts separated by a period.
 Here is an overview of the repository:
 - bin - PDP-10 binary files necessary to bootstrap the system.
 - build - build scripts.
+- conf - configuration for building ITS.
 - doc - documentation, most of which appear in the INFO system.
 - src - source code for ITS and all programs.
 - tools - build tools.
@@ -276,6 +277,6 @@ matches the address configured in SYSTEM; CONFIG > (as IMPUS3). Finally,
 the HOST table source (SYSHST; H3TEXT >) and binary (SYSBIN; HOSTS3 >)
 defined a host called DB-ITS.EXAMPLE.COM at the IP address 192.168.1.100.
 
-In order to change the IP address of the host, you can edit the
-top-level Makefile variables IP, GW, and NETMASK.  After that, a full
-rebuild (e.g. `make clean all`) is required.
+In order to change the IP address of the host, you can edit IP, GW,
+and NETMASK in the file conf/network.  You can also set a Chaosnet
+address.  After that, a full rebuild (e.g. `make clean all`) is required.

conf/README

@@ -0,0 +1,5 @@
+This directory contains files with information to configure
+the build of ITS.
+
+network - Network configuration.
+hosts - Added to the hosts table.

conf/hosts

@@ -0,0 +1 @@
+; Additional hosts.  Use H3TEXT format.

conf/network

@@ -0,0 +1,10 @@
+# Network configuration for ITS.  Note: for now, the two-letter ITS
+# name is hardcoded to DB, which is short for DistriBution.
+HOSTNAME=DB-ITS.EXAMPLE.COM
+IP=192.168.1.100
+GW=192.168.0.45
+NETMASK=255,255,255,248
+CHAOS=no #Or octal Chaosnet address
+CHAFRIENDS=chip=3150/no.nocrew.org \
+           chip=3143/up.update.uu.se \
+           chip=7100/sj.gewt.net