eclass/bitcoincore.eclass - chromiumos/overlays/portage - Git at Google

 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 #
 # @ECLASS: bitcoincore.eclass
 # @MAINTAINER:
 # Luke Dashjr <luke_gentoo_bitcoin@dashjr.org>
 # @BLURB: common code for Bitcoin Core ebuilds
 # @DESCRIPTION:
 # This eclass is used in Bitcoin Core ebuilds (bitcoin-qt, bitcoind,
 # libbitcoinconsensus) to provide a single common place for the common ebuild
 # stuff.
 #
 # The eclass provides all common dependencies as well as common use flags.

 has "${EAPI:-0}" 5 || die "EAPI=${EAPI} not supported"

 if [[ ! ${_BITCOINCORE_ECLASS} ]]; then

 in_bcc_iuse() {
 	local liuse=( ${BITCOINCORE_IUSE} )
 	has "${1}" "${liuse[@]#[+-]}"
 }

 in_bcc_policy() {
 	local liuse=( ${BITCOINCORE_POLICY_PATCHES} )
 	has "${1}" "${liuse[@]#[+-]}"
 }

 DB_VER="4.8"
 inherit autotools db-use eutils

 if [ -z "$BITCOINCORE_COMMITHASH" ]; then
 	inherit git-2
 fi

 fi

 EXPORT_FUNCTIONS src_prepare src_test src_install

 if in_bcc_iuse ljr || in_bcc_iuse 1stclassmsg || in_bcc_iuse zeromq || [ -n "$BITCOINCORE_POLICY_PATCHES" ]; then
 	EXPORT_FUNCTIONS pkg_pretend
 fi

 if [[ ! ${_BITCOINCORE_ECLASS} ]]; then

 # @ECLASS-VARIABLE: BITCOINCORE_COMMITHASH
 # @DESCRIPTION:
 # Set this variable before the inherit line, to the upstream commit hash.

 # @ECLASS-VARIABLE: BITCOINCORE_IUSE
 # @DESCRIPTION:
 # Set this variable before the inherit line, to the USE flags supported.

 # @ECLASS-VARIABLE: BITCOINCORE_LJR_DATE
 # @DESCRIPTION:
 # Set this variable before the inherit line, to the datestamp of the ljr
 # patchset.

 # @ECLASS-VARIABLE: BITCOINCORE_POLICY_PATCHES
 # @DESCRIPTION:
 # Set this variable before the inherit line, to a space-delimited list of
 # supported policies.

 MyPV="${PV/_/}"
 MyPN="bitcoin"
 MyP="${MyPN}-${MyPV}"

 # These are expected to change in future versions
 DOCS="${DOCS} doc/README.md doc/release-notes.md"
 OPENSSL_DEPEND="dev-libs/openssl:0[-bindist]"
 WALLET_DEPEND="sys-libs/db:$(db_ver_to_slot "${DB_VER}")[cxx]"
 LIBEVENT_DEPEND=""
 UNIVALUE_DEPEND=""
 BITCOINCORE_LJR_NAME=ljr
 [ -n "${BITCOINCORE_LJR_PV}" ] || BITCOINCORE_LJR_PV="${PV}"

 case "${PV}" in
 0.10*)
 	BITCOINCORE_MINOR=10
 	LIBSECP256K1_DEPEND="=dev-libs/libsecp256k1-0.0.0_pre20141212"
 	case "${PVR}" in
 	0.10.2)
 		BITCOINCORE_RBF_DIFF="16f45600c8c372a738ffef544292864256382601...a23678edc70204599299459a206709a00e039db7"
 		BITCOINCORE_RBF_PATCHFILE="${MyPN}-rbf-v0.10.2.patch"
 		;;
 	*)
 		BITCOINCORE_RBF_DIFF="16f45600c8c372a738ffef544292864256382601...4890416cde655559eba09d3fd6f79db7d0d6314a"
 		BITCOINCORE_RBF_PATCHFILE="${MyPN}-rbf-v0.10.2-r1.patch"
 		;;
 	esac
 	BITCOINCORE_XT_DIFF="047a89831760ff124740fe9f58411d57ee087078...d4084b62c42c38bfe302d712b98909ab26ecce2f"
 	;;
 0.11*)
 	BITCOINCORE_MINOR=11
 	LIBSECP256K1_DEPEND="=dev-libs/libsecp256k1-0.0.0_pre20150423"
 	# RBF is bundled with ljr patchset since 0.11.1
 	if [ "${PVR}" = "0.11.0" ]; then
 		BITCOINCORE_RBF_DIFF="5f032c75eefb0fe8ff79ed9595da1112c05f5c4a...660b96d24916b8ef4e0677e5d6162e24e2db447e"
 		BITCOINCORE_RBF_PATCHFILE="${MyPN}-rbf-v0.11.0rc3.patch"
 	fi
 	;;
 0.12* | 0.13*)
 	BITCOINCORE_MINOR=$(get_version_component_range 2)
 	IUSE="${IUSE} libressl"
 	OPENSSL_DEPEND="!libressl? ( dev-libs/openssl:0[-bindist] ) libressl? ( dev-libs/libressl )"
 	if in_bcc_iuse libevent; then
 		LIBEVENT_DEPEND="libevent? ( dev-libs/libevent )"
 	else
 		LIBEVENT_DEPEND="dev-libs/libevent"
 	fi
 	LIBSECP256K1_DEPEND="=dev-libs/libsecp256k1-0.0.0_pre20151118[recovery]"
 	UNIVALUE_DEPEND="dev-libs/univalue"
 	BITCOINCORE_LJR_NAME=knots
 	if in_bcc_policy spamfilter; then
 		REQUIRED_USE="${REQUIRED_USE} bitcoin_policy_spamfilter? ( ljr )"
 	fi
 	;;
 9999*)
 	BITCOINCORE_MINOR=9999
 	BITCOINCORE_SERIES="9999"
 	LIBEVENT_DEPEND="dev-libs/libevent"
 	LIBSECP256K1_DEPEND=">dev-libs/libsecp256k1-0.0.0_pre20150422"
 	UNIVALUE_DEPEND="dev-libs/univalue"
 	;;
 *)
 	die "Unrecognised version"
 	;;
 esac

 [ -n "${BITCOINCORE_SERIES}" ] || BITCOINCORE_SERIES="0.${BITCOINCORE_MINOR}.x"

 LJR_PV() {
 	local testsfx=
 	if [ -n "${BITCOINCORE_LJR_PREV}" ]; then
 		if [ "$1" = "dir" ]; then
 			testsfx="/test/${BITCOINCORE_LJR_PREV}"
 		else
 			testsfx=".${BITCOINCORE_LJR_PREV}"
 		fi
 	fi
 	echo "${BITCOINCORE_LJR_PV}.${BITCOINCORE_LJR_NAME}${BITCOINCORE_LJR_DATE}${testsfx}"
 }
 LJR_PATCHDIR="${MyPN}-$(LJR_PV ljr).patches"
 LJR_PATCH() { echo "${WORKDIR}/${LJR_PATCHDIR}/${MyPN}-$(LJR_PV ljr).$@.patch"; }
 LJR_PATCH_DESC="http://luke.dashjr.org/programs/${MyPN}/files/${MyPN}d/luke-jr/${BITCOINCORE_SERIES}/$(LJR_PV ljr)/${MyPN}-$(LJR_PV ljr).desc.txt"
 if [ "$BITCOINCORE_MINOR" -ge 12 ]; then
 	LJR_PATCH_DESC="http://bitcoinknots.org/files/${BITCOINCORE_SERIES}/$(LJR_PV dir)/${MyPN}-$(LJR_PV).desc.html"
 fi

 HOMEPAGE="http://bitcoincore.org/"

 if [ -z "$BITCOINCORE_COMMITHASH" ]; then
 	EGIT_PROJECT='bitcoin'
 	EGIT_REPO_URI="git://github.com/bitcoin/bitcoin.git https://github.com/bitcoin/bitcoin.git"
 else
 	SRC_URI="https://github.com/${MyPN}/${MyPN}/archive/${BITCOINCORE_COMMITHASH}.tar.gz -> ${MyPN}-v${PV}${BITCOINCORE_SRC_SUFFIX}.tgz"
 	if [ -z "${BITCOINCORE_NO_SYSLIBS}" ]; then
 		SRC_URI="${SRC_URI} http://bitcoinknots.org/files/${BITCOINCORE_SERIES}/$(LJR_PV dir)/${LJR_PATCHDIR}.txz -> ${LJR_PATCHDIR}.tar.xz"
 	fi
 	if in_bcc_iuse addrindex; then
 		SRC_URI="${SRC_URI} addrindex? ( https://github.com/btcdrak/bitcoin/compare/${BITCOINCORE_ADDRINDEX_DIFF}.diff -> ${BITCOINCORE_ADDRINDEX_PATCHFILE} )"
 	fi
 	if in_bcc_iuse xt; then
 		BITCOINXT_PATCHFILE="${MyPN}xt-v${PV}.patch"
 		SRC_URI="${SRC_URI} xt? ( https://github.com/bitcoinxt/bitcoinxt/compare/${BITCOINCORE_XT_DIFF}.diff -> ${BITCOINXT_PATCHFILE} )"
 	fi
 	if in_bcc_policy rbf && [ -n "${BITCOINCORE_RBF_DIFF}" ]; then
 		SRC_URI="${SRC_URI} bitcoin_policy_rbf? ( https://github.com/petertodd/bitcoin/compare/${BITCOINCORE_RBF_DIFF}.diff -> ${BITCOINCORE_RBF_PATCHFILE} )"
 	fi
 	S="${WORKDIR}/${MyPN}-${BITCOINCORE_COMMITHASH}"
 fi

 bitcoincore_policy_iuse() {
 	local mypolicy iuse_def new_BITCOINCORE_IUSE=
 	for mypolicy in ${BITCOINCORE_POLICY_PATCHES}; do
 		if [[ "${mypolicy:0:1}" =~ ^[+-] ]]; then
 			iuse_def=${mypolicy:0:1}
 			mypolicy="${mypolicy:1}"
 		else
 			iuse_def=
 		fi
 		new_BITCOINCORE_IUSE="$new_BITCOINCORE_IUSE ${iuse_def}bitcoin_policy_${mypolicy}"
 	done
 	echo $new_BITCOINCORE_IUSE
 }
 IUSE="$IUSE $BITCOINCORE_IUSE $(bitcoincore_policy_iuse)"
 if in_bcc_policy rbf && in_bcc_iuse xt; then
 	REQUIRED_USE="${REQUIRED_USE} bitcoin_policy_rbf? ( !xt )"
 fi

 BITCOINCORE_COMMON_DEPEND="
 	${OPENSSL_DEPEND}
 "
 if ! has libevent ${BITCOINCORE_NO_DEPEND}; then
 	BITCOINCORE_COMMON_DEPEND="${BITCOINCORE_COMMON_DEPEND} ${LIBEVENT_DEPEND}"
 fi
 if [ "${BITCOINCORE_NEED_LIBSECP256K1}" = "1" ]; then
 	BITCOINCORE_COMMON_DEPEND="${BITCOINCORE_COMMON_DEPEND} $LIBSECP256K1_DEPEND"
 fi
 if [ "${PN}" = "libbitcoinconsensus" ]; then
 	DEPEND="$DEPEND ${BITCOINCORE_COMMON_DEPEND}
 		test? (
 			${UNIVALUE_DEPEND}
 			>=dev-libs/boost-1.52.0[threads(+)]
 		)
 	"
 else
 	BITCOINCORE_COMMON_DEPEND="${BITCOINCORE_COMMON_DEPEND}
 		${UNIVALUE_DEPEND}
 		>=dev-libs/boost-1.52.0[threads(+)]
 	"
 fi
 bitcoincore_common_depend_use() {
 	in_bcc_iuse "$1" || return
 	BITCOINCORE_COMMON_DEPEND="${BITCOINCORE_COMMON_DEPEND} $1? ( $2 )"
 }
 bitcoincore_common_depend_use upnp net-libs/miniupnpc
 bitcoincore_common_depend_use wallet "${WALLET_DEPEND}"
 bitcoincore_common_depend_use zeromq net-libs/zeromq
 RDEPEND="${RDEPEND} ${BITCOINCORE_COMMON_DEPEND}"
 DEPEND="${DEPEND} ${BITCOINCORE_COMMON_DEPEND}
 	>=app-shells/bash-4.1
 	sys-apps/sed
 "
 if [ "${BITCOINCORE_NEED_LEVELDB}" = "1" ]; then
 	RDEPEND="${RDEPEND} virtual/bitcoin-leveldb"
 fi
 if in_bcc_iuse ljr; then
 	if [ "$BITCOINCORE_SERIES" = "0.10.x" ]; then
 		DEPEND="${DEPEND} ljr? ( dev-vcs/git )"
 	elif [ "${BITCOINCORE_LJR_NAME}" = "knots" ]; then
 		DEPEND="${DEPEND} ljr? ( dev-lang/perl )"
 	fi
 fi

 bitcoincore_policymsg() {
 	local USEFlag="bitcoin_policy_$1"
 	in_iuse "${USEFlag}" || return
 	if use "${USEFlag}"; then
 		[ -n "$2" ] && einfo "$2"
 	else
 		[ -n "$3" ] && einfo "$3"
 	fi
 	bitcoincore_policymsg_flag=true
 }

 bitcoincore_pkg_pretend() {
 	bitcoincore_policymsg_flag=false
 	if use_if_iuse ljr || use_if_iuse 1stclassmsg || use_if_iuse addrindex || use_if_iuse xt || { use_if_iuse zeromq && [ "${BITCOINCORE_MINOR}" -lt 12 ]; }; then
 		einfo "Extra functionality improvements to Bitcoin Core are enabled."
 		bitcoincore_policymsg_flag=true
 		if use_if_iuse addrindex addrindex; then
 			einfo "Please be aware that the addrindex functionality is known to be unreliable."
 		fi
 	fi
 	bitcoincore_policymsg cltv \
 		"CLTV policy is enabled: Your node will recognise and assist OP_CHECKLOCKTIMEVERIFY (BIP65) transactions." \
 		"CLTV policy is disabled: Your node will not recognise OP_CHECKLOCKTIMEVERIFY (BIP65) transactions."
 	bitcoincore_policymsg cpfp \
 		"CPFP policy is enabled: If you mine, you will give consideration to child transaction fees to pay for their parents." \
 		"CPFP policy is disabled: If you mine, you will ignore transactions unless they have sufficient fee themselves, even if child transactions offer a fee to cover their cost."
 	bitcoincore_policymsg dcmp \
 		"Data Carrier Multi-Push policy is enabled: Your node will assist transactions with at most a single multiple-'push' data carrier output." \
 		"Data Carrier Multi-Push policy is disabled: Your node will assist transactions with at most a single data carrier output with only a single 'push'."
 	bitcoincore_policymsg rbf \
 		"Replace By Fee policy is enabled: Your node will preferentially mine and relay transactions paying the highest fee, regardless of receive order." \
 		"Replace By Fee policy is disabled: Your node will only accept the first transaction seen consuming a conflicting input, regardless of fee offered by later ones."
 	bitcoincore_policymsg spamfilter \
 		"Enhanced spam filter policy is enabled: Your node will identify notorious spam scripts and avoid assisting them. This may impact your ability to use some services (see link for a list)." \
 		"Enhanced spam filter policy is disabled: Your node will not be checking for notorious spam scripts, and may assist them."
 	$bitcoincore_policymsg_flag && einfo "For more information on any of the above, see ${LJR_PATCH_DESC}"
 }

 bitcoincore_git_apply() {
 	local patchfile="$1"
 	einfo "Applying ${patchfile##*/} ..."
 	git apply --whitespace=nowarn "${patchfile}" || die
 }

 bitcoincore_predelete_patch() {
 	local patchfile="$1"
 	mkdir -p "${WORKDIR}/pdp"
 	local tmpfile="${WORKDIR}/pdp/${patchfile##*/}"
 	perl -ne '
 		newline:
 		if (m[(^diff .* b/(.*)$)]) {
 			$a = "$1\n";
 			$f = $2;
 			$_ = <>;
 			if (m[^deleted file]) {
 				unlink($f) || die;
 				while (!m[^diff ]) {
 					$_ = <>
 				}
 				goto newline
 			} else {
 				print($a)
 			}
 		}
 		print
 	' <"${patchfile}" >"${tmpfile}" || die
 	epatch "${tmpfile}"
 }

 bitcoincore_prepare() {
 	local mypolicy
 	if [ -n "${BITCOINCORE_NO_SYSLIBS}" ]; then
 		true
 	elif [ "${PV}" = "9999" ]; then
 		epatch "${FILESDIR}/${PV}-syslibs.patch"
 	else
 		epatch "$(LJR_PATCH syslibs)"
 	fi
 	if use_if_iuse ljr; then
 		if [ "${BITCOINCORE_LJR_NAME}" = "knots" ]; then
 			epatch "$(LJR_PATCH f)"
 			bitcoincore_predelete_patch "$(LJR_PATCH branding)"
 			epatch "$(LJR_PATCH ts)"
 		elif [ "${BITCOINCORE_SERIES}" = "0.10.x" ]; then
 			# Regular epatch won't work with binary files
 			bitcoincore_git_apply "$(LJR_PATCH ljrF)"
 		else
 			epatch "$(LJR_PATCH ljrF)"
 		fi
 	fi
 	if use_if_iuse 1stclassmsg; then
 		epatch "$(LJR_PATCH 1stclassmsg)"
 	fi
 	if use_if_iuse addrindex; then
 		epatch "${DISTDIR}/${BITCOINCORE_ADDRINDEX_PATCHFILE}"
 	fi
 	if use_if_iuse xt; then
 		epatch "${DISTDIR}/${BITCOINXT_PATCHFILE}"
 	fi
 	{ use_if_iuse zeromq && [ "${BITCOINCORE_MINOR}" -lt 12 ]; } && epatch "$(LJR_PATCH zeromq)"
 	for mypolicy in ${BITCOINCORE_POLICY_PATCHES}; do
 		mypolicy="${mypolicy#[-+]}"

 		if [ "${BITCOINCORE_MINOR}" -ge 12 ]; then
 			case "${mypolicy}" in
 			rbf)
 				use bitcoin_policy_rbf || sed -i 's/\(DEFAULT_ENABLE_REPLACEMENT = \)true/\1false/' src/main.h
 				;;
 			spamfilter)
 				use bitcoin_policy_spamfilter || sed -i 's/\(DEFAULT_SPAMFILTER = \)true/\1false/' src/main.h
 				;;
 			*)
 				die "Unknown policy ${mypolicy}"
 			esac
 			continue
 		fi

 		use bitcoin_policy_${mypolicy} || continue
 		case "${mypolicy}" in
 		rbf)
 			if [ -n "${BITCOINCORE_RBF_PATCHFILE}" ]; then
 				epatch "${DISTDIR}/${BITCOINCORE_RBF_PATCHFILE}"
 			else
 				epatch "$(LJR_PATCH ${mypolicy})"
 			fi
 			;;
 		*)
 			epatch "$(LJR_PATCH ${mypolicy})"
 			;;
 		esac
 	done
 }

 bitcoincore_autoreconf() {
 	eautoreconf
 	rm -r src/leveldb || die
 	rm -r src/secp256k1 || die
 }

 bitcoincore_src_prepare() {
 	 bitcoincore_prepare
 	 bitcoincore_autoreconf
 }

 bitcoincore_conf() {
 	local my_econf=
 	if use_if_iuse upnp; then
 		my_econf="${my_econf} --with-miniupnpc --enable-upnp-default"
 	else
 		my_econf="${my_econf} --without-miniupnpc --disable-upnp-default"
 	fi
 	if use_if_iuse test; then
 		my_econf="${my_econf} --enable-tests"
 	else
 		my_econf="${my_econf} --disable-tests"
 	fi
 	if use_if_iuse wallet; then
 		my_econf="${my_econf} --enable-wallet"
 	else
 		my_econf="${my_econf} --disable-wallet"
 	fi
 	if ! use_if_iuse zeromq; then
 		# NOTE: Older (pre-0.12) patches would disable ZMQ if --enable-zmq was passed
 		my_econf="${my_econf} --disable-zmq"
 	fi
 	if [ -z "${BITCOINCORE_NO_SYSLIBS}" ]; then
 		my_econf="${my_econf} --disable-util-cli --disable-util-tx"
 	else
 		my_econf="${my_econf} --without-utils"
 	fi
 	# Knots 0.12.0 errors if --with-libevent used for bitcoin{d,-cli}, so only disable it when not wanted
 	if has libevent ${BITCOINCORE_NO_DEPEND} || { in_bcc_iuse libevent && ! use libevent; }; then
 		my_econf="${my_econf} --without-libevent"
 	fi
 	if [ "${BITCOINCORE_NEED_LEVELDB}" = "1" ]; then
 		# Passing --with-system-leveldb fails if leveldb is not installed, so only use it for targets that use LevelDB
 		my_econf="${my_econf} --with-system-leveldb"
 	fi
 	econf \
 		--disable-bench  \
 		--disable-ccache \
 		--disable-static \
 		--with-system-libsecp256k1  \
 		--with-system-univalue  \
 		--without-libs    \
 		--without-daemon  \
 		--without-gui     \
 		${my_econf}  \
 		"$@"
 }

 bitcoincore_src_test() {
 	emake check
 }

 bitcoincore_src_install() {
 	default
 	[ "${PN}" = "libbitcoinconsensus" ] || rm "${D}/usr/bin/test_bitcoin"
 }

 _BITCOINCORE_ECLASS=1
 fi
	# Copyright 1999-2015 Gentoo Foundation
	# Distributed under the terms of the GNU General Public License v2
	# $Id$
	#
	# @ECLASS: bitcoincore.eclass
	# @MAINTAINER:
	# Luke Dashjr <luke_gentoo_bitcoin@dashjr.org>
	# @BLURB: common code for Bitcoin Core ebuilds
	# @DESCRIPTION:
	# This eclass is used in Bitcoin Core ebuilds (bitcoin-qt, bitcoind,
	# libbitcoinconsensus) to provide a single common place for the common ebuild
	# stuff.
	#
	# The eclass provides all common dependencies as well as common use flags.

	has "${EAPI:-0}" 5 \|\| die "EAPI=${EAPI} not supported"

	if [[ ! ${_BITCOINCORE_ECLASS} ]]; then

	in_bcc_iuse() {
	local liuse=( ${BITCOINCORE_IUSE} )
	has "${1}" "${liuse[@]#[+-]}"
	}

	in_bcc_policy() {
	local liuse=( ${BITCOINCORE_POLICY_PATCHES} )
	has "${1}" "${liuse[@]#[+-]}"
	}

	DB_VER="4.8"
	inherit autotools db-use eutils

	if [ -z "$BITCOINCORE_COMMITHASH" ]; then
	inherit git-2
	fi

	fi

	EXPORT_FUNCTIONS src_prepare src_test src_install

	if in_bcc_iuse ljr \|\| in_bcc_iuse 1stclassmsg \|\| in_bcc_iuse zeromq \|\| [ -n "$BITCOINCORE_POLICY_PATCHES" ]; then
	EXPORT_FUNCTIONS pkg_pretend
	fi

	if [[ ! ${_BITCOINCORE_ECLASS} ]]; then

	# @ECLASS-VARIABLE: BITCOINCORE_COMMITHASH
	# @DESCRIPTION:
	# Set this variable before the inherit line, to the upstream commit hash.

	# @ECLASS-VARIABLE: BITCOINCORE_IUSE
	# @DESCRIPTION:
	# Set this variable before the inherit line, to the USE flags supported.

	# @ECLASS-VARIABLE: BITCOINCORE_LJR_DATE
	# @DESCRIPTION:
	# Set this variable before the inherit line, to the datestamp of the ljr
	# patchset.

	# @ECLASS-VARIABLE: BITCOINCORE_POLICY_PATCHES
	# @DESCRIPTION:
	# Set this variable before the inherit line, to a space-delimited list of
	# supported policies.

	MyPV="${PV/_/}"
	MyPN="bitcoin"
	MyP="${MyPN}-${MyPV}"

	# These are expected to change in future versions
	DOCS="${DOCS} doc/README.md doc/release-notes.md"
	OPENSSL_DEPEND="dev-libs/openssl:0[-bindist]"
	WALLET_DEPEND="sys-libs/db:$(db_ver_to_slot "${DB_VER}")[cxx]"
	LIBEVENT_DEPEND=""
	UNIVALUE_DEPEND=""
	BITCOINCORE_LJR_NAME=ljr
	[ -n "${BITCOINCORE_LJR_PV}" ] \|\| BITCOINCORE_LJR_PV="${PV}"

	case "${PV}" in
	0.10*)
	BITCOINCORE_MINOR=10
	LIBSECP256K1_DEPEND="=dev-libs/libsecp256k1-0.0.0_pre20141212"
	case "${PVR}" in
	0.10.2)
	BITCOINCORE_RBF_DIFF="16f45600c8c372a738ffef544292864256382601...a23678edc70204599299459a206709a00e039db7"
	BITCOINCORE_RBF_PATCHFILE="${MyPN}-rbf-v0.10.2.patch"
	;;
	*)
	BITCOINCORE_RBF_DIFF="16f45600c8c372a738ffef544292864256382601...4890416cde655559eba09d3fd6f79db7d0d6314a"
	BITCOINCORE_RBF_PATCHFILE="${MyPN}-rbf-v0.10.2-r1.patch"
	;;
	esac
	BITCOINCORE_XT_DIFF="047a89831760ff124740fe9f58411d57ee087078...d4084b62c42c38bfe302d712b98909ab26ecce2f"
	;;
	0.11*)
	BITCOINCORE_MINOR=11
	LIBSECP256K1_DEPEND="=dev-libs/libsecp256k1-0.0.0_pre20150423"
	# RBF is bundled with ljr patchset since 0.11.1
	if [ "${PVR}" = "0.11.0" ]; then
	BITCOINCORE_RBF_DIFF="5f032c75eefb0fe8ff79ed9595da1112c05f5c4a...660b96d24916b8ef4e0677e5d6162e24e2db447e"
	BITCOINCORE_RBF_PATCHFILE="${MyPN}-rbf-v0.11.0rc3.patch"
	fi
	;;
	0.12* \| 0.13*)
	BITCOINCORE_MINOR=$(get_version_component_range 2)
	IUSE="${IUSE} libressl"
	OPENSSL_DEPEND="!libressl? ( dev-libs/openssl:0[-bindist] ) libressl? ( dev-libs/libressl )"
	if in_bcc_iuse libevent; then
	LIBEVENT_DEPEND="libevent? ( dev-libs/libevent )"
	else
	LIBEVENT_DEPEND="dev-libs/libevent"
	fi
	LIBSECP256K1_DEPEND="=dev-libs/libsecp256k1-0.0.0_pre20151118[recovery]"
	UNIVALUE_DEPEND="dev-libs/univalue"
	BITCOINCORE_LJR_NAME=knots
	if in_bcc_policy spamfilter; then
	REQUIRED_USE="${REQUIRED_USE} bitcoin_policy_spamfilter? ( ljr )"
	fi
	;;
	9999*)
	BITCOINCORE_MINOR=9999
	BITCOINCORE_SERIES="9999"
	LIBEVENT_DEPEND="dev-libs/libevent"
	LIBSECP256K1_DEPEND=">dev-libs/libsecp256k1-0.0.0_pre20150422"
	UNIVALUE_DEPEND="dev-libs/univalue"
	;;
	*)
	die "Unrecognised version"
	;;
	esac

	[ -n "${BITCOINCORE_SERIES}" ] \|\| BITCOINCORE_SERIES="0.${BITCOINCORE_MINOR}.x"

	LJR_PV() {
	local testsfx=
	if [ -n "${BITCOINCORE_LJR_PREV}" ]; then
	if [ "$1" = "dir" ]; then
	testsfx="/test/${BITCOINCORE_LJR_PREV}"
	else
	testsfx=".${BITCOINCORE_LJR_PREV}"
	fi
	fi
	echo "${BITCOINCORE_LJR_PV}.${BITCOINCORE_LJR_NAME}${BITCOINCORE_LJR_DATE}${testsfx}"
	}
	LJR_PATCHDIR="${MyPN}-$(LJR_PV ljr).patches"
	LJR_PATCH() { echo "${WORKDIR}/${LJR_PATCHDIR}/${MyPN}-$(LJR_PV ljr).$@.patch"; }
	LJR_PATCH_DESC="http://luke.dashjr.org/programs/${MyPN}/files/${MyPN}d/luke-jr/${BITCOINCORE_SERIES}/$(LJR_PV ljr)/${MyPN}-$(LJR_PV ljr).desc.txt"
	if [ "$BITCOINCORE_MINOR" -ge 12 ]; then
	LJR_PATCH_DESC="http://bitcoinknots.org/files/${BITCOINCORE_SERIES}/$(LJR_PV dir)/${MyPN}-$(LJR_PV).desc.html"
	fi

	HOMEPAGE="http://bitcoincore.org/"

	if [ -z "$BITCOINCORE_COMMITHASH" ]; then
	EGIT_PROJECT='bitcoin'
	EGIT_REPO_URI="git://github.com/bitcoin/bitcoin.git https://github.com/bitcoin/bitcoin.git"
	else
	SRC_URI="https://github.com/${MyPN}/${MyPN}/archive/${BITCOINCORE_COMMITHASH}.tar.gz -> ${MyPN}-v${PV}${BITCOINCORE_SRC_SUFFIX}.tgz"
	if [ -z "${BITCOINCORE_NO_SYSLIBS}" ]; then
	SRC_URI="${SRC_URI} http://bitcoinknots.org/files/${BITCOINCORE_SERIES}/$(LJR_PV dir)/${LJR_PATCHDIR}.txz -> ${LJR_PATCHDIR}.tar.xz"
	fi
	if in_bcc_iuse addrindex; then
	SRC_URI="${SRC_URI} addrindex? ( https://github.com/btcdrak/bitcoin/compare/${BITCOINCORE_ADDRINDEX_DIFF}.diff -> ${BITCOINCORE_ADDRINDEX_PATCHFILE} )"
	fi
	if in_bcc_iuse xt; then
	BITCOINXT_PATCHFILE="${MyPN}xt-v${PV}.patch"
	SRC_URI="${SRC_URI} xt? ( https://github.com/bitcoinxt/bitcoinxt/compare/${BITCOINCORE_XT_DIFF}.diff -> ${BITCOINXT_PATCHFILE} )"
	fi
	if in_bcc_policy rbf && [ -n "${BITCOINCORE_RBF_DIFF}" ]; then
	SRC_URI="${SRC_URI} bitcoin_policy_rbf? ( https://github.com/petertodd/bitcoin/compare/${BITCOINCORE_RBF_DIFF}.diff -> ${BITCOINCORE_RBF_PATCHFILE} )"
	fi
	S="${WORKDIR}/${MyPN}-${BITCOINCORE_COMMITHASH}"
	fi

	bitcoincore_policy_iuse() {
	local mypolicy iuse_def new_BITCOINCORE_IUSE=
	for mypolicy in ${BITCOINCORE_POLICY_PATCHES}; do
	if [[ "${mypolicy:0:1}" =~ ^[+-] ]]; then
	iuse_def=${mypolicy:0:1}
	mypolicy="${mypolicy:1}"
	else
	iuse_def=
	fi
	new_BITCOINCORE_IUSE="$new_BITCOINCORE_IUSE ${iuse_def}bitcoin_policy_${mypolicy}"
	done
	echo $new_BITCOINCORE_IUSE
	}
	IUSE="$IUSE $BITCOINCORE_IUSE $(bitcoincore_policy_iuse)"
	if in_bcc_policy rbf && in_bcc_iuse xt; then
	REQUIRED_USE="${REQUIRED_USE} bitcoin_policy_rbf? ( !xt )"
	fi

	BITCOINCORE_COMMON_DEPEND="
	${OPENSSL_DEPEND}
	"
	if ! has libevent ${BITCOINCORE_NO_DEPEND}; then
	BITCOINCORE_COMMON_DEPEND="${BITCOINCORE_COMMON_DEPEND} ${LIBEVENT_DEPEND}"
	fi
	if [ "${BITCOINCORE_NEED_LIBSECP256K1}" = "1" ]; then
	BITCOINCORE_COMMON_DEPEND="${BITCOINCORE_COMMON_DEPEND} $LIBSECP256K1_DEPEND"
	fi
	if [ "${PN}" = "libbitcoinconsensus" ]; then
	DEPEND="$DEPEND ${BITCOINCORE_COMMON_DEPEND}
	test? (
	${UNIVALUE_DEPEND}
	>=dev-libs/boost-1.52.0[threads(+)]
	)
	"
	else
	BITCOINCORE_COMMON_DEPEND="${BITCOINCORE_COMMON_DEPEND}
	${UNIVALUE_DEPEND}
	>=dev-libs/boost-1.52.0[threads(+)]
	"
	fi
	bitcoincore_common_depend_use() {
	in_bcc_iuse "$1" \|\| return
	BITCOINCORE_COMMON_DEPEND="${BITCOINCORE_COMMON_DEPEND} $1? ( $2 )"
	}
	bitcoincore_common_depend_use upnp net-libs/miniupnpc
	bitcoincore_common_depend_use wallet "${WALLET_DEPEND}"
	bitcoincore_common_depend_use zeromq net-libs/zeromq
	RDEPEND="${RDEPEND} ${BITCOINCORE_COMMON_DEPEND}"
	DEPEND="${DEPEND} ${BITCOINCORE_COMMON_DEPEND}
	>=app-shells/bash-4.1
	sys-apps/sed
	"
	if [ "${BITCOINCORE_NEED_LEVELDB}" = "1" ]; then
	RDEPEND="${RDEPEND} virtual/bitcoin-leveldb"
	fi
	if in_bcc_iuse ljr; then
	if [ "$BITCOINCORE_SERIES" = "0.10.x" ]; then
	DEPEND="${DEPEND} ljr? ( dev-vcs/git )"
	elif [ "${BITCOINCORE_LJR_NAME}" = "knots" ]; then
	DEPEND="${DEPEND} ljr? ( dev-lang/perl )"
	fi
	fi

	bitcoincore_policymsg() {
	local USEFlag="bitcoin_policy_$1"
	in_iuse "${USEFlag}" \|\| return
	if use "${USEFlag}"; then
	[ -n "$2" ] && einfo "$2"
	else
	[ -n "$3" ] && einfo "$3"
	fi
	bitcoincore_policymsg_flag=true
	}

	bitcoincore_pkg_pretend() {
	bitcoincore_policymsg_flag=false
	if use_if_iuse ljr \|\| use_if_iuse 1stclassmsg \|\| use_if_iuse addrindex \|\| use_if_iuse xt \|\| { use_if_iuse zeromq && [ "${BITCOINCORE_MINOR}" -lt 12 ]; }; then
	einfo "Extra functionality improvements to Bitcoin Core are enabled."
	bitcoincore_policymsg_flag=true
	if use_if_iuse addrindex addrindex; then
	einfo "Please be aware that the addrindex functionality is known to be unreliable."
	fi
	fi
	bitcoincore_policymsg cltv \
	"CLTV policy is enabled: Your node will recognise and assist OP_CHECKLOCKTIMEVERIFY (BIP65) transactions." \
	"CLTV policy is disabled: Your node will not recognise OP_CHECKLOCKTIMEVERIFY (BIP65) transactions."
	bitcoincore_policymsg cpfp \
	"CPFP policy is enabled: If you mine, you will give consideration to child transaction fees to pay for their parents." \
	"CPFP policy is disabled: If you mine, you will ignore transactions unless they have sufficient fee themselves, even if child transactions offer a fee to cover their cost."
	bitcoincore_policymsg dcmp \
	"Data Carrier Multi-Push policy is enabled: Your node will assist transactions with at most a single multiple-'push' data carrier output." \
	"Data Carrier Multi-Push policy is disabled: Your node will assist transactions with at most a single data carrier output with only a single 'push'."
	bitcoincore_policymsg rbf \
	"Replace By Fee policy is enabled: Your node will preferentially mine and relay transactions paying the highest fee, regardless of receive order." \
	"Replace By Fee policy is disabled: Your node will only accept the first transaction seen consuming a conflicting input, regardless of fee offered by later ones."
	bitcoincore_policymsg spamfilter \
	"Enhanced spam filter policy is enabled: Your node will identify notorious spam scripts and avoid assisting them. This may impact your ability to use some services (see link for a list)." \
	"Enhanced spam filter policy is disabled: Your node will not be checking for notorious spam scripts, and may assist them."
	$bitcoincore_policymsg_flag && einfo "For more information on any of the above, see ${LJR_PATCH_DESC}"
	}

	bitcoincore_git_apply() {
	local patchfile="$1"
	einfo "Applying ${patchfile##*/} ..."
	git apply --whitespace=nowarn "${patchfile}" \|\| die
	}

	bitcoincore_predelete_patch() {
	local patchfile="$1"
	mkdir -p "${WORKDIR}/pdp"
	local tmpfile="${WORKDIR}/pdp/${patchfile##*/}"
	perl -ne '
	newline:
	if (m[(^diff .* b/(.*)$)]) {
	$a = "$1\n";
	$f = $2;
	$_ = <>;
	if (m[^deleted file]) {
	unlink($f) \|\| die;
	while (!m[^diff ]) {
	$_ = <>
	}
	goto newline
	} else {
	print($a)
	}
	}
	print
	' <"${patchfile}" >"${tmpfile}" \|\| die
	epatch "${tmpfile}"
	}

	bitcoincore_prepare() {
	local mypolicy
	if [ -n "${BITCOINCORE_NO_SYSLIBS}" ]; then
	true
	elif [ "${PV}" = "9999" ]; then
	epatch "${FILESDIR}/${PV}-syslibs.patch"
	else
	epatch "$(LJR_PATCH syslibs)"
	fi
	if use_if_iuse ljr; then
	if [ "${BITCOINCORE_LJR_NAME}" = "knots" ]; then
	epatch "$(LJR_PATCH f)"
	bitcoincore_predelete_patch "$(LJR_PATCH branding)"
	epatch "$(LJR_PATCH ts)"
	elif [ "${BITCOINCORE_SERIES}" = "0.10.x" ]; then
	# Regular epatch won't work with binary files
	bitcoincore_git_apply "$(LJR_PATCH ljrF)"
	else
	epatch "$(LJR_PATCH ljrF)"
	fi
	fi
	if use_if_iuse 1stclassmsg; then
	epatch "$(LJR_PATCH 1stclassmsg)"
	fi
	if use_if_iuse addrindex; then
	epatch "${DISTDIR}/${BITCOINCORE_ADDRINDEX_PATCHFILE}"
	fi
	if use_if_iuse xt; then
	epatch "${DISTDIR}/${BITCOINXT_PATCHFILE}"
	fi
	{ use_if_iuse zeromq && [ "${BITCOINCORE_MINOR}" -lt 12 ]; } && epatch "$(LJR_PATCH zeromq)"
	for mypolicy in ${BITCOINCORE_POLICY_PATCHES}; do
	mypolicy="${mypolicy#[-+]}"

	if [ "${BITCOINCORE_MINOR}" -ge 12 ]; then
	case "${mypolicy}" in
	rbf)
	use bitcoin_policy_rbf \|\| sed -i 's/\(DEFAULT_ENABLE_REPLACEMENT = \)true/\1false/' src/main.h
	;;
	spamfilter)
	use bitcoin_policy_spamfilter \|\| sed -i 's/\(DEFAULT_SPAMFILTER = \)true/\1false/' src/main.h
	;;
	*)
	die "Unknown policy ${mypolicy}"
	esac
	continue
	fi

	use bitcoin_policy_${mypolicy} \|\| continue
	case "${mypolicy}" in
	rbf)
	if [ -n "${BITCOINCORE_RBF_PATCHFILE}" ]; then
	epatch "${DISTDIR}/${BITCOINCORE_RBF_PATCHFILE}"
	else
	epatch "$(LJR_PATCH ${mypolicy})"
	fi
	;;
	*)
	epatch "$(LJR_PATCH ${mypolicy})"
	;;
	esac
	done
	}

	bitcoincore_autoreconf() {
	eautoreconf
	rm -r src/leveldb \|\| die
	rm -r src/secp256k1 \|\| die
	}

	bitcoincore_src_prepare() {
	bitcoincore_prepare
	bitcoincore_autoreconf
	}

	bitcoincore_conf() {
	local my_econf=
	if use_if_iuse upnp; then
	my_econf="${my_econf} --with-miniupnpc --enable-upnp-default"
	else
	my_econf="${my_econf} --without-miniupnpc --disable-upnp-default"
	fi
	if use_if_iuse test; then
	my_econf="${my_econf} --enable-tests"
	else
	my_econf="${my_econf} --disable-tests"
	fi
	if use_if_iuse wallet; then
	my_econf="${my_econf} --enable-wallet"
	else
	my_econf="${my_econf} --disable-wallet"
	fi
	if ! use_if_iuse zeromq; then
	# NOTE: Older (pre-0.12) patches would disable ZMQ if --enable-zmq was passed
	my_econf="${my_econf} --disable-zmq"
	fi
	if [ -z "${BITCOINCORE_NO_SYSLIBS}" ]; then
	my_econf="${my_econf} --disable-util-cli --disable-util-tx"
	else
	my_econf="${my_econf} --without-utils"
	fi
	# Knots 0.12.0 errors if --with-libevent used for bitcoin{d,-cli}, so only disable it when not wanted
	if has libevent ${BITCOINCORE_NO_DEPEND} \|\| { in_bcc_iuse libevent && ! use libevent; }; then
	my_econf="${my_econf} --without-libevent"
	fi
	if [ "${BITCOINCORE_NEED_LEVELDB}" = "1" ]; then
	# Passing --with-system-leveldb fails if leveldb is not installed, so only use it for targets that use LevelDB
	my_econf="${my_econf} --with-system-leveldb"
	fi
	econf \
	--disable-bench \
	--disable-ccache \
	--disable-static \
	--with-system-libsecp256k1 \
	--with-system-univalue \
	--without-libs \
	--without-daemon \
	--without-gui \
	${my_econf} \
	"$@"
	}

	bitcoincore_src_test() {
	emake check
	}

	bitcoincore_src_install() {
	default
	[ "${PN}" = "libbitcoinconsensus" ] \|\| rm "${D}/usr/bin/test_bitcoin"
	}

	_BITCOINCORE_ECLASS=1
	fi