MKHASH:=$(STAGING_DIR_HOST)/bin/mkhash
# MKHASH is used in /scripts, so we export it here.
export MKHASH
+# DOWNLOAD_CHECK_CERTIFICATE is used in /scripts, so we export it here.
+DOWNLOAD_CHECK_CERTIFICATE:=$(CONFIG_DOWNLOAD_CHECK_CERTIFICATE)
+export DOWNLOAD_CHECK_CERTIFICATE
CP:=cp -fpR
LN:=ln -sf
XARGS:=xargs -r