settings

export BOOST_INCLUDE=/usr/local/Cellar/boost/1.61.0_1/include/boost
export CXX_INCLUDE=/usr/local/opt/llvm38/lib/llvm-3.8/include/c++/v1

export BOOST_LIB=/usr/local/Cellar/boost/1.61.0_1/lib

export CXX=clang++-3.8
export CXXFLAGS=-stdlib=libc++