Index: tmp_buildroot-2016.05/package/mtd/mtd.mk
===================================================================
--- tmp_buildroot-2016.05.orig/package/mtd/mtd.mk
+++ tmp_buildroot-2016.05/package/mtd/mtd.mk
@@ -118,5 +118,7 @@ define MTD_INSTALL_TARGET_CMDS
 	done
 endef
 
+MTD_MAKE_OPTS += LDFLAGS="$(LDFLAGS) $(DEFAULT_LDFLAGS_APPL)" CFLAGS="$(CFLAGS) $(DEFAULT_CFLAGS_SRC)"
+
 $(eval $(generic-package))
 $(eval $(host-generic-package))