Version 1.5.2, packages strictly for Varnish 6.0.x.

configure.ac

 AC_PREREQ([2.68])
-AC_INIT([libvmod-re2], [1.5.1], [varnish-support@uplex.de], [vmod-re2])
+AC_INIT([libvmod-re2], [1.5.2], [varnish-support@uplex.de], [vmod-re2])
 AC_COPYRIGHT([Copyright 2016-2017 UPLEX - Nils Goroll Systemoptimierung])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_AUX_DIR([build-aux])

pkg/rpm/pkg

@@ -10,8 +10,8 @@
 # - this script (named pkg)
 # - VMOD re2 tarball (vmod-re2-$VERSION.tar.gz)
 # - RPM spec file (vmod-re2.spec)
-# - yum repo config for varnish61@packagecloud (varnishcache_varnish61.repo)
-#   (see https://packagecloud.io/varnishcache/varnish61/install#manual-rpm)
+# - yum repo config for varnish60@packagecloud (varnishcache_varnish60.repo)
+#   (see https://packagecloud.io/varnishcache/varnish60/install#manual-rpm)
 
 # So this is a sample docker invocation:
 #
@@ -45,9 +45,9 @@ sudo yum install -y -q \
      https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
 
 # set up varnish repo
-sudo cp /srv/varnishcache_varnish61.repo /etc/yum.repos.d/
+sudo cp /srv/varnishcache_varnish60.repo /etc/yum.repos.d/
 
-sudo yum -q makecache -y --disablerepo='*' --enablerepo='varnishcache_varnish61'
+sudo yum -q makecache -y --disablerepo='*' --enablerepo='varnishcache_varnish60'
 
 # build requirements
 sudo yum install -y -q \

pkg/rpm/vmod-re2.spec

@@ -10,10 +10,10 @@ URL: https://code.uplex.de/uplex-varnish/libvmod-re2
 Source0: %{name}-%{version}.tar.gz
 
 # varnish from varnish60 at packagecloud
-Requires: varnish >= 6.0.0
+Requires: varnish >= 6.0.0, varnish < 6.1.0
 Requires: re2 >= 20150501
 
-BuildRequires: varnish-devel >= 6.0.0
+BuildRequires: varnish-devel >= 6.0.0, varnish < 6.1.0
 BuildRequires: re2-devel >= 20150501
 BuildRequires: pkgconfig
 BuildRequires: make
@@ -74,8 +74,8 @@ rm -rf %{buildroot}
 /sbin/ldconfig
 
 %changelog
-* Wed Oct 3 2018 Geoff Simmons <geoff@uplex.de> - 1.6.0
-- Build for VRT 8.0 / Varnish 6.1.
+* Fri Nov 30 2018 Geoff Simmons <geoff@uplex.de> - 1.5.2
+- Strictly require Varnish 6.0 -- compatible with libvarnishapi.so.1
 
 * Wed Oct 3 2018 Geoff Simmons <geoff@uplex.de> - 1.5.1
 - Require ABI compatibility -- also compatible with Varnish 6.0.1.