Handling source/source-check/external-deps together doesn't work, as
wget will then download the sources every time make source is called
even if it's available in DL_DIR
Instead detect source-check/external-deps from MAKELEVEL.
Support downloadable package patches in source-check/external-deps
while we're at it.
# Retrieve and unpack the archive
$(BUILD_DIR)/%/.stamp_downloaded:
-# support make source/source-check/external-deps
-ifneq ($(filter source,$(MAKECMDGOALS)),)
+# support make source-check/external-deps
+ifeq ($(MAKELEVEL),1)
$(WGET) -P $(DL_DIR) $($(PKG)_SITE)/$($(PKG)_SOURCE)
+ $(if $($(PKG)_PATCH),$(WGET) -P $(DL_DIR) $($(PKG)_SITE)/$($(PKG)_PATCH))
else
$(call MESSAGE,"Downloading")
ifneq ($(strip $(subst ",,$(BR2_PRIMARY_SITE))),)