upstream_archive = dropbear-$(OPK_SOURCE_VERSION_UPSTREAM).tar.bz2
upstream_url = https://matt.ucc.asn.au/dropbear/releases/$(upstream_archive)
source_archive = ../$(OPK_SOURCE)-$(OPK_SOURCE_VERSION_UPSTREAM).orig.tar.bz2

$(source_archive):
	wget -O '$@' '$(upstream_url)'

source: $(source_archive)