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# Copyright 1999-2012 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: $
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EAPI="4"
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inherit eutils
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DESCRIPTION="Modular Bitcoin CPU/GPU/FPGA miner in C"
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HOMEPAGE="https://bitcointalk.org/index.php?topic=78192.0"
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SRC_URI="http://luke.dashjr.org/programs/bitcoin/files/${PN}/${PV}/${P}.tbz2"
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LICENSE="GPL-3"
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SLOT="0"
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KEYWORDS="~amd64 ~x86"
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IUSE="+adl altivec bitforce +cpumining examples hardened icarus modminer ncurses +opencl padlock scrypt sse2 sse2_4way sse4 +udev x6500 ztex"
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REQUIRED_USE="
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|| ( bitforce cpumining icarus modminer opencl x6500 ztex )
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adl? ( opencl )
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altivec? ( cpumining ppc ppc64 )
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padlock? ( cpumining || ( amd64 x86 ) )
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scrypt? ( || ( cpumining opencl ) )
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sse2? ( cpumining || ( amd64 x86 ) )
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sse4? ( cpumining amd64 )
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"
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DEPEND="
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net-misc/curl
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ncurses? (
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sys-libs/ncurses
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)
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>=dev-libs/jansson-2
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udev? (
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sys-fs/udev
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)
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x6500? (
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virtual/libusb:1
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)
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ztex? (
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virtual/libusb:1
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)
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"
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RDEPEND="${DEPEND}
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opencl? (
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virtual/opencl
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)
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"
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DEPEND="${DEPEND}
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virtual/pkgconfig
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sys-apps/sed
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sse2? (
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>=dev-lang/yasm-1.0.1
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)
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sse4? (
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>=dev-lang/yasm-1.0.1
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)
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"
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src_prepare() {
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sed -i 's/\(^\#define WANT_.*\(SSE\|PADLOCK\|ALTIVEC\)\)/\/\/ \1/' miner.h
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}
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src_configure() {
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local CFLAGS="${CFLAGS}"
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if ! use altivec; then
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sed -i 's/-faltivec//g' configure
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else
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CFLAGS="${CFLAGS} -DWANT_ALTIVEC=1"
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fi
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use padlock && CFLAGS="${CFLAGS} -DWANT_VIA_PADLOCK=1"
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if use sse2; then
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if use amd64; then
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CFLAGS="${CFLAGS} -DWANT_X8664_SSE2=1"
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else
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CFLAGS="${CFLAGS} -DWANT_X8632_SSE2=1"
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fi
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fi
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use sse2_4way && CFLAGS="${CFLAGS} -DWANT_SSE2_4WAY=1"
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use sse4 && CFLAGS="${CFLAGS} -DWANT_X8664_SSE4=1"
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use hardened && CFLAGS="${CFLAGS} -nopie"
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CFLAGS="${CFLAGS}" \
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econf \
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$(use_enable adl) \
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$(use_enable bitforce) \
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$(use_enable cpumining) \
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$(use_enable icarus) \
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$(use_enable modminer) \
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$(use_with ncurses curses) \
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$(use_enable opencl) \
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$(use_enable scrypt) \
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$(use_with udev libudev) \
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$(use_enable x6500) \
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$(use_enable ztex)
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# sanitize directories
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sed -i 's~^\(\#define CGMINER_PREFIX \).*$~\1"'"${EPREFIX}/usr/lib/bfgminer"'"~' config.h
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}
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src_install() {
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dobin bfgminer
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dodoc AUTHORS NEWS README API-README
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if use scrypt; then
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dodoc SCRYPT-README
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fi
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if use icarus || use bitforce; then
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dodoc FPGA-README
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fi
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if use bitforce; then
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dobin bitforce-firmware-flash
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fi
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if use modminer || use x6500; then
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insinto /usr/lib/bfgminer/bitstreams
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doins bitstreams/fpgaminer*.bit
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dodoc bitstreams/COPYING_fpgaminer
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fi
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if use opencl; then
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insinto /usr/lib/bfgminer
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doins *.cl
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fi
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if use ztex; then
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insinto /usr/lib/bfgminer/ztex
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doins bitstreams/ztex*.bit
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dodoc bitstreams/COPYING_ztex
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fi
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if use examples; then
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docinto examples
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dodoc api-example.php miner.php API.java api-example.c
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fi
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cd libblkmaker
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emake DESTDIR="$D" install
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}
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