Set version 4.1, and require Varnish versions 4.1.x or 5.0.0.

README.rst

@@ -9,8 +9,8 @@ Tracking Log Reader demon
 -------------------------
 
 :Author: Geoffrey Simmons
-:Date:   2015-05-08
-:Version: 4.0
+:Date:   2017-03-16
+:Version: 4.1
 :Manual section: 3
 
 SYNOPSIS
@@ -219,11 +219,11 @@ BUILD/INSTALL
 Requirements
 ------------
 
-Since version 4.0, the tracking reader is compatible with Varnish
-4.0.x (and has been tested with Varnish 4.0.3). ``trackrdrd`` is built
-against an existing Varnish installation on the same host, which in
-the standard case can be found with usual settings for the ``PATH``
-environment variable in the ``configure`` step described below.
+This version of the tracking reader is compatible with Varnish
+versions 4.1.x and 5.0.0. ``trackrdrd`` is built against an existing
+Varnish installation on the same host, which in the standard case can
+be found with usual settings for the ``PATH`` environment variable in
+the ``configure`` step described below.
 
 The build requires the following tools/packages:
 

configure.ac

 AC_PREREQ(2.63)
 AC_COPYRIGHT([Copyright (c) 2012-2015 Otto Gmbh & Co KG])
-AC_INIT([trackrdrd], [4.0])
+AC_INIT([trackrdrd], [4.1])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR(src/trackrdrd.c)
 AM_CONFIG_HEADER(config.h)
@@ -45,9 +45,9 @@ AM_CONDITIONAL(HAVE_RST2MAN, [test "x$RST2MAN" != "xno"])
 # Check for pkg-config
 PKG_PROG_PKG_CONFIG
 
-PKG_CHECK_MODULES([VARNISH], [varnishapi >= 4.0.0],
+PKG_CHECK_MODULES([VARNISH], [varnishapi >= 4.1.0 varnishapi <= 5.0.0],
                   [ac_varnish_pkgdatadir=`$PKG_CONFIG --variable=pkgdatadir varnishapi`],
-                  [AC_MSG_ERROR([Varnish >= 4.0.0 installation is required])])
+                  [AC_MSG_ERROR([Varnish 4.1.x or 5.0.0 installation is required])])
 if test "x$ac_varnish_pkgdatadir" = x; then
    AC_MSG_ERROR([couldn't get Varnish data dir from pkg-config])
 fi