ifeq ($(CRAN), true)
    PKG_CXXFLAGS =
    PKG_LIBS = $(LAPACK_LIBS) $(BLAS_LIBS) $(FLIBS)
    LDFLAGS =
else
    ifeq ($(OS),Windows_NT)
        PKG_CXXFLAGS =
        PKG_LIBS = $(LAPACK_LIBS) $(BLAS_LIBS) $(FLIBS)
        LDFLAGS =
    else
        PKG_CXXFLAGS = -fsanitize=address -fno-omit-frame-pointer
        PKG_LIBS = $(LAPACK_LIBS) $(BLAS_LIBS) $(FLIBS) -fsanitize=address
        LDFLAGS += -fsanitize=address
    endif
endif
