upstream_ver = $$(printf '%s\n' '$(OPK_SOURCE_VERSION_UPSTREAM)' | \ sed 's/+sip[1-9][0-9]*.*$$//') upstream_archive = binutils-$(upstream_ver).tar.xz upstream_url = http://ftp.gnu.org/pub/gnu/binutils/$(upstream_archive) source_archive = ../binutils-$(OPK_SOURCE_VERSION_UPSTREAM).orig.tar.bz2 gpg = GNUPGHOME=gnupghome/ gpg --no-default-keyring --keyring ../keyring.gpg keys = \ '3A24 BC1E 8FB4 09FA 9F14 3718 13FC EF89 DD9E 3C4F' $(source_archive): wget -c "$(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/ tar -xJf "$(upstream_archive)" rm -Rf "binutils-$(upstream_ver)/zlib/" tar -cjf '$(source_archive)' "binutils-$(upstream_ver)/" rm -Rf src/ mv "binutils-$(upstream_ver)/" src/ source: $(source_archive)