| # Copyright 1999-2015 Gentoo Foundation |
| # Distributed under the terms of the GNU General Public License v2 |
| # $Id$ |
| |
| 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 |
| } |
