PKG_CPPFLAGS = -DRCPP_USE_UNWIND_PROTECT -D_FOR_R -D_USE_XOSHIRO -D_USE_ROBIN_MAP -DSUPPORTS_RESTRICT=1 
PKG_CXXFLAGS = $(SHLIB_OPENMP_CXXFLAGS) -fno-math-errno -fno-trapping-math $(CXX_VISIBILITY)
PKG_LIBS     = $(SHLIB_OPENMP_CXXFLAGS)
CXX_STD      = CXX17
