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# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
EAPI=5
if [[ ${PV} == *9999* ]]; then
inherit git-r3
EGIT_REPO_URI="git://github.com/official-stockfish/Stockfish.git"
KEYWORDS=""
S=${WORKDIR}/${P}/src
else
SRC_URI="https://stockfish.s3.amazonaws.com/${P}-src.zip"
KEYWORDS="~amd64 ~x86"
S=${WORKDIR}/${P}-src/src
fi
DESCRIPTION="Free UCI chess engine, claimed to be the strongest in the world"
HOMEPAGE="http://stockfishchess.org/"
LICENSE="GPL-3"
SLOT="0"
IUSE="armv7 cpu_flags_x86_avx2 cpu_flags_x86_popcnt cpu_flags_x86_sse debug
general-32 general-64 +optimize"
DEPEND="|| ( app-arch/unzip
app-arch/zip )"
RDEPEND=""
src_prepare() {
# prevent pre-stripping
sed -e 's:-strip $(BINDIR)/$(EXE)::' -i Makefile || die
}
src_compile() {
local my_arch
# generic unoptimized first
use general-32 && my_arch=general-32
use general-64 && my_arch=general-64
# x86
use x86 && my_arch=x86-32-old
use cpu_flags_x86_sse && my_arch=x86-32
# amd64
use amd64 && my_arch=x86-64
use cpu_flags_x86_popcnt && my_arch=x86-64-modern
# both bmi2 and avx2 are part of hni (haswell new instructions)
use cpu_flags_x86_avx2 && my_arch=x86-64-bmi2
# other architectures
use armv7 && my_arch=armv7
use ppc && my_arch=ppc
use ppc64 && my_arch=ppc64
emake build ARCH=${my_arch} \
debug=$(usex debug "yes" "no") \
optimize=$(usex optimize "yes" "no")
}
src_install() {
emake PREFIX="${D}/usr" install
dodoc ../AUTHORS ../Readme.md
}
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