It seems the latest build missing a function named "sparsity_threshold_maxratio()"
src/caffe/solver.cpp:419:49: error: ‘const class caffe::SolverParameter’ has no member named ‘sparsity_threshold_maxratio’
float threshold_value_maxratio = param_.sparsity_threshold_maxratio(); //0.1; //0.2;
It seems the latest build missing a function named "sparsity_threshold_maxratio()"