enforce Varnish >= 4.1.2 in the configure step

README.rst

@@ -416,6 +416,10 @@ REQUIREMENTS
 This VMOD requires at least Varnish version 4.1.2, and has been tested
 with versions through 5.0.0.
 
+Later versions of this VMOD are only compatible with Varnish versions
+since 5.0.0, and permit the use of the ``encode``, ``decode`` and
+``transcode`` functions in ``vcl_init``.
+
 Perl 5 is required for the build.
 
 INSTALLATION
@@ -502,6 +506,8 @@ HISTORY
 
 * version 0.1: initial version
 
+* version 1.0: compatible with Varnish versions since 4.1.2.
+
 SEE ALSO
 ========
 
@@ -516,3 +522,4 @@ This document is licensed under the same conditions as the
 libvmod-blobcode project. See LICENSE for details.
 
 * Copyright (c) 2015-2016 UPLEX Nils Goroll Systemoptimierung
+

configure.ac

@@ -65,7 +65,8 @@ AS_VAR_IF([$1], [""], [$5], [$4])dnl
 ])# PKG_CHECK_VAR
 ])
 
-PKG_CHECK_MODULES([libvarnishapi], [varnishapi])
+PKG_CHECK_MODULES([libvarnishapi], [varnishapi = trunk], [],
+                  [PKG_CHECK_MODULES([libvarnishapi], [varnishapi >= 4.1.2])])
 PKG_CHECK_VAR([LIBVARNISHAPI_PREFIX], [varnishapi], [prefix])
 PKG_CHECK_VAR([LIBVARNISHAPI_DATAROOTDIR], [varnishapi], [datarootdir])
 PKG_CHECK_VAR([LIBVARNISHAPI_BINDIR], [varnishapi], [bindir])

src/tests/examples.vtc

@@ -145,7 +145,7 @@ varnish v1 -arg "-p http_max_hdr=128" -vcl+backend {
 } -start
 
 logexpect l1 -v v1 {
-    expect * 1001 VCL_Log "^Using VMOD blobcode version 0.1"
+    expect * 1001 VCL_Log "^Using VMOD blobcode version \S+"
 } -start
 
 client c1 {

src/vmod_blobcode.vcc

@@ -10,8 +10,6 @@
 
 $Module blobcode 3 binary-to-text encodings and decodings for the VCL blob type
 
-$Event event
-
 ::
 
   sub vcl_init {
@@ -463,3 +461,5 @@ This document is licensed under the same conditions as the
 libvmod-blobcode project. See LICENSE for details.
 
 * Copyright (c) 2015-2016 UPLEX Nils Goroll Systemoptimierung
+
+$Event event