TRIBITS_PACKAGE_DEFINE_DEPENDENCIES(
   SUBPACKAGES_DIRS_CLASSIFICATIONS_OPTREQS
     bug  radixbug      SS OPTIONAL
     core radixcore     SS OPTIONAL
     dl   radixdl       SS OPTIONAL
     pattern radixpattern SS OPTIONAL
     algorithm radixalgorithm SS OPTIONAL
     para radixpara     SS OPTIONAL
     command radixcommand SS OPTIONAL
     math radixmath     SS OPTIONAL
     glls radixglls     SS OPTIONAL
     io   radixio       SS OPTIONAL
     geometry radixgeometry SS OPTIONAL
     plot radixplot     SS OPTIONAL
     widgets radixwidgets SS OPTIONAL
     ams  radixams      SS OPTIONAL
)