--- a/package/pkg-download.mk
+++ b/package/pkg-download.mk
@@ -26,6 +26,7 @@ DL_DIR=$(call qstrip,$(BR2_DL_DIR))
 ifeq ($(DL_DIR),)
 DL_DIR:=$(TOPDIR)/dl
 endif
+DL_DIR:=$(shell readlink -f $(DL_DIR))
or
+DL_DIR:=$(shell cd $(DL_DIR); pwd)