better use of version.h and letting configure build things with versions

configure.ac

@@ -29,7 +29,7 @@ AH_TEMPLATE([REQ_SERVER_CERT], [Defined if client requires server SSL certificat
 AH_TEMPLATE([TRUST_UDS_CRED], [Defined if we trust credentials from UDS client])
 
 dnl ### Normal initialization. ######################################
-AC_INIT
+AC_INIT([conserver],m4_esyscmd_s([./package/get-version number]))
 AC_PREREQ(2.59)
 AC_CONFIG_SRCDIR([conserver/main.c])
 AC_CONFIG_HEADER(config.h)
@@ -43,6 +43,9 @@ fi
 MKDIR="mkdir -p -m 755"
 AC_SUBST(MKDIR)
 
+AC_SUBST(CONSERVER_VERSION, m4_esyscmd_s([./package/get-version number]))
+AC_SUBST(CONSERVER_DATE, m4_esyscmd_s([./package/get-version date]))
+
 
 dnl ### Custom settings. ############################################
 dnl AC_MSG_CHECKING(whether to allow 64bit compilation)
@@ -844,6 +847,7 @@ AC_CHECK_FUNCS(getaudit getaudit_addr)
 dnl ### Create output files. #######################################
 AC_CONFIG_FILES([Makefile conserver/Makefile conserver.cf/Makefile console/Makefile autologin/Makefile contrib/chat/Makefile])
 AC_CONFIG_FILES([conserver/conserver.rc], [chmod +x conserver/conserver.rc])
+AC_CONFIG_FILES([conserver.cf/conserver.cf.man conserver.cf/conserver.passwd.man conserver/conserver.man  console/console.man])
 AC_OUTPUT
 
 [

conserver.cf/conserver.cf.man.in

@@ -1,4 +1,4 @@
-.TH CONSERVER.CF 5 "2019/03/17" "conserver-8.2.3" "conserver"
+.TH CONSERVER.CF 5 "@CONSERVER_DATE@" "conserver-@CONSERVER_VERSION@" "conserver"
 .SH NAME
 conserver.cf \- console configuration file for
 .BR conserver (8)

conserver.cf/conserver.passwd.man.in

@@ -1,4 +1,4 @@
-.TH CONSERVER.PASSWD 5 "2019/03/17" "conserver-8.2.3" "conserver"
+.TH CONSERVER.PASSWD 5 "@CONSERVER_DATE@" "conserver-@CONSERVER_VERSION@" "conserver"
 .SH NAME
 conserver.passwd \- user access information for
 .BR conserver (8)

conserver/conserver.man.in

@@ -1,4 +1,4 @@
-.TH CONSERVER 8 "2019/03/17" "conserver-8.2.3" "conserver"
+.TH CONSERVER 8 "@CONSERVER_DATE@" "conserver-@CONSERVER_VERSION@" "conserver"
 .SH NAME
 conserver \- console server daemon
 .SH SYNOPSIS

conserver/version.h

@@ -12,6 +12,7 @@
 @(#) Copyright 2000 conserver.com.\n\
 All rights reserved.\n"
 
+#define VERSION_DATE	"2019/03/17"
 #define VERSION_MAJOR	8
 #define VERSION_MINOR	2
 #define VERSION_REV	3

console/console.man.in

@@ -1,4 +1,4 @@
-.TH CONSOLE 1 "2019/03/17" "conserver-8.2.3" "conserver"
+.TH CONSOLE 1 "@CONSERVER_DATE@" "conserver-@CONSERVER_VERSION@" "conserver"
 .SH NAME
 console \- console server client program
 .SH SYNOPSIS

package/create-changes

@@ -4,10 +4,7 @@ set -e
 
 [ -z "$1" ] && echo "Usage: $0 tag" && exit 1
 range="$1"
-maj=`grep MAJOR conserver/version.h | awk '{print $NF; exit}'`
-min=`grep MINOR conserver/version.h | awk '{print $NF; exit}'`
-rev=`grep REV conserver/version.h | awk '{print $NF; exit}'`
-ver="$maj.$min.$rev"
-
-echo "version $ver (`date '+%B %-d, %Y'`):"
+date=`./package/get-version date`
+changedate=`date -j -f '%Y/%m/%d' "$date" '+%B %-d, %Y'`
+echo "version `./package/get-version number` ($changedate):"
 git log --no-merges --pretty=tformat:'        - %s (%an <%ae>)' "$range" | tail -r | awk '{if (! l[$0]) {l[$0]++; print}}'

package/get-version

@@ -0,0 +1,22 @@
+#!/bin/sh
+
+set -e
+
+# awk gets stdin from /dev/null 'cause when autoconf runs this via m4_esyscmd_s,
+# stdin is closed and awk assumes there will always be an open stdin and you end
+# up with a bogus message:
+#
+#   awk: i/o error occurred while closing /dev/stdin
+#    input record number 20, file conserver/version.h
+#    source line number 1
+#
+#
+case "$1" in
+    number)
+	awk '$2=="VERSION_MAJOR"{maj=$NF} $2=="VERSION_MINOR"{min=$NF} $2=="VERSION_REV"{rev=$NF} END{print maj "." min "." rev}' conserver/version.h < /dev/null
+	;;
+
+    date)
+	awk '$2=="VERSION_DATE"{print $NF}' conserver/version.h < /dev/null | tr -d '"'
+	;;
+esac

package/make-and-stage-release

@@ -5,10 +5,8 @@ set -e
 local=false && [ "$1" = "local" ] && local=true
 
 [ -f conserver/version.h ] || { echo "you are in the wrong place" ; exit 1; }
-maj=`grep MAJOR conserver/version.h | awk '{print $NF; exit}'`
-min=`grep MINOR conserver/version.h | awk '{print $NF; exit}'`
-rev=`grep REV conserver/version.h | awk '{print $NF; exit}'`
-ver="$maj.$min.$rev"
+
+ver=`./package/get-version number`
 if [ ! -f ../conserver-$ver.tar.gz ] || $local; then
     (
 	[ -d build ] && rm -rf build