PKG_CPPFLAGS=`"$(R_HOME)/bin/Rscript" -e 'Rcpp:::CxxFlags()'`
PKG_CXXFLAGS=$(SHLIB_OPENMP_CXXFLAGS)
PKG_LIBS=`"$(R_HOME)/bin/Rscript" -e 'Rcpp:::LdFlags()'` $(SHLIB_OPENMP_CXXFLAGS)
