PKG_CXXFLAGS = $(SHLIB_OPENMP_CXXFLAGS) -DARMA_WARN_LEVEL=1 -DARMA_64BIT_WORD \
               -DARMA_DONT_USE_OPENMP -DARMA_USE_TBB_ALLOC -DARMA_NO_DEBUG \
               -DARMA_USE_BLAS -DARMA_USE_LAPACK -DRCPP_PARALLEL_USE_TBB=1
PKG_LIBS = $(SHLIB_OPENMP_CXXFLAGS) $(LAPACK_LIBS) $(BLAS_LIBS) $(FLIBS) \
           $(shell ${R_HOME}/bin/Rscript -e "RcppParallel::RcppParallelLibs()")
