upstream_archive = busybox-$(OPK_SOURCE_VERSION_UPSTREAM).tar.bz2 upstream_url = http://www.busybox.net/downloads/$(upstream_archive) source_archive = ../busybox-$(OPK_SOURCE_VERSION_UPSTREAM).orig.tar.bz2 gpg = GNUPGHOME=gnupghome/ gpg --no-default-keyring --keyring ../keyring.gpg keys = \ 'C9E9 416F 76E6 10DB D09D 040F 47B7 0C55 ACC9 965B' $(source_archive): wget -c "$(upstream_url)" "$(upstream_url).sig" install -m 0700 -d gnupghome/ [ -e ../keyring.gpg ] || \ $(gpg) --keyserver hkp://pool.sks-keyservers.net \ --recv-keys $(keys); \ rm -f ../keyring.gpg~; \ if ! $(gpg) --verify "$(upstream_archive).sig"; then \ rm -Rf gnupghome/; \ exit 1; \ fi rm -Rf gnupghome/ mv "$(upstream_archive)" "$(source_archive)" source: $(source_archive)