"Default arguments cannot be added to a function template (already declared)" build failure(s) — clang 3.4.2

PackageVersionSupposed error messageFull log Bug report
iulib 0.3-3.1./imglib/imgops.cc:136:15: error: default arguments cannot be added to a function template that has already been declared Log
pktools 2.5.2+20140505-1../../src/algorithms/FeatureSelector.h:50:174: error: default arguments cannot be added to a function template that has already been declared Log

2 errors