dependencies.xml

<dependencies>
  <main>
    <networkx/>
    <dill>0.3.5</dill>
    <dispatches source='pip' optional='True'>1.0</dispatches>
    <pyomo source='forge'/>
    <pyutilib source='forge'/>
    <glpk source='forge' skip_check='True'/>
    <ipopt source='forge' skip_check='True'/>
    <!-- Windows doesn't have a reasonably-accessible installer for coincbc -->
    <coincbc os="mac,linux" source='forge' skip_check='True'/>
  </main>

  <alternate name='pip'>
    <coincbc>remove</coincbc>
    <glpk>remove</glpk>
    <ipopt>remove</ipopt>
  </alternate>
</dependencies>