ivy/topology_dependencies.xml
<?xml version="1.0"?>
<ivy-module version="2.0" xmlns:m="http://ant.apache.org/ivy/maven">
<info organisation="redstorm" module="topology-deps"/>
<dependencies>
<dependency org="org.jruby" name="jruby-core" rev="1.7.11" conf="default" transitive="true"/>
<dependency org="org.jruby" name="jruby-stdlib" rev="1.7.11" conf="default" transitive="true"/>
<!-- explicitly specify jffi to also fetch the native jar. make sure to update jffi version matching jruby-core version -->
<!-- this is the only way I found using Ivy to fetch the native jar -->
<dependency org="com.github.jnr" name="jffi" rev="1.2.7" conf="default" transitive="true">
<artifact name="jffi" type="jar" />
<artifact name="jffi" type="jar" m:classifier="native"/>
</dependency>
</dependencies>
</ivy-module>