jenkins: install build artifact for doxygen run

jenkins/cloudbees_doc

@@ -1,5 +1,5 @@
 # pvAccess C++ implementation
-# Jenkins @ Cloudbees doxygen script
+# Jenkins @ Cloudbees documentation generation and deployment
 #
 # Jenkins invokes scripts with the "-ex" option. So the build is considered a failure
 # if any of the commands exits with a non-zero exit code.
@@ -9,6 +9,13 @@
 # Copyright (C) 2014-2015 ITER Organization.
 # All rights reserved. Use is subject to license terms.
 
+###########################################
+# Determine EPICS Base version
+
+DEFAULT_BASE=3.14.12.5
+
+BASE=${1:-${DEFAULT_BASE}}
+
 ###########################################
 # Fetch and unpack dependencies
 
@@ -26,6 +33,9 @@ tar -xzf doxygen-1.8.3.CB-dist.tar.gz
 
 cd ${WORKSPACE}
 
+wget -nv https://openepics.ci.cloudbees.com/job/pvAccessCPP_Build/BASE=${BASE}/lastSuccessfulBuild/artifact/pvAccess.CB-dist.tar.gz
+tar -xzf pvAccess.CB-dist.tar.gz
+
 export PATH=${STUFF}/bin:${PATH}
 
 doxygen