ifneq (,$(filter mtd_at24cxxx,$(USEMODULE))) USEMODULE += at24cxxx endif ifneq (,$(filter mtd_at25xxx,$(USEMODULE))) USEMODULE += at25xxx endif ifneq (,$(filter mtd_sdcard_default,$(USEMODULE))) USEMODULE += mtd_sdcard endif ifneq (,$(filter mtd_sdcard,$(USEMODULE))) USEMODULE += sdcard_spi endif ifneq (,$(filter mtd_sdmmc_default,$(USEMODULE))) USEMODULE += mtd_sdmmc endif ifneq (,$(filter mtd_sdmmc,$(USEMODULE))) USEMODULE += sdmmc endif