treetty

solution is to replace ENV.cxx = "/usr/bin/clang -stdlib=libstdc++" in /usr/local/Library/Taps/mitmul/homebrew-caffe/boost-std.rb file with ENV["CXX"] = "/usr/bin/clang++ -stdlib=libstdc++" refered from https://github.com/BVLC/caffe/issues/449