# external-deps target.
DL_MODE=DOWNLOAD
-# Override BR2_DL_DIR if shell variable defined
-ifneq ($(BUILDROOT_DL_DIR),)
-DL_DIR := $(BUILDROOT_DL_DIR)
-else
-DL_DIR := $(call qstrip,$(BR2_DL_DIR))
-endif
-
+# DL_DIR may have been set already from the environment
+DL_DIR ?= $(call qstrip,$(BR2_DL_DIR))
ifeq ($(DL_DIR),)
DL_DIR := $(TOPDIR)/dl
endif