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# Maintainer: Valerii Huz <ghotrix at gmail dot com>
pkgname=stockfish-git
pkgver=r5442.gcb9c2594
pkgrel=1
pkgdesc="A free UCI chess engine derived from Glaurung 2.1 (git version)"
arch=('i686' 'x86_64')
url="http://stockfishchess.org/"
license=('GPL3')
optdepends=('polyglot: for xboard support')
makedepends=('git')
provides=('stockfish')
conflicts=('stockfish')
install=stockfish.install
source=("$pkgname::git+https://github.com/official-stockfish/Stockfish.git")
md5sums=('SKIP')
pkgver() {
cd "$pkgname"
printf "r%s.g%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
}
build() {
cd "$pkgname/src"
if [[ "$CARCH" == "armv7h" ]]; then
_arch=armv7
elif [[ "$CARCH" == "aarch64" ]]; then
_arch=armv8
elif [[ "$CARCH" == "i686" ]]; then
_arch=x86-32
elif grep -wq avx512dq /proc/cpuinfo && grep -wq avx512vl /proc/cpuinfo && grep -wq avx512_vnni /proc/cpuinfo; then
# 256 bit operands are faster on most hardware
_arch=x86-64-vnni256
elif grep -wq avx512f /proc/cpuinfo && grep -wq avx512bw /proc/cpuinfo; then
_arch=x86-64-avx512
elif grep -wq bmi2 /proc/cpuinfo; then
if grep -wq GenuineIntel /proc/cpuinfo; then
_arch=x86-64-bmi2
elif grep -wq AuthenticAMD /proc/cpuinfo && [[ "$(grep --max-count=1 'cpu family' /proc/cpuinfo | sed -e 's/^.*: //')" -ge 25 ]]; then
_arch=x86-64-bmi2
else
# On AMD, bmi2 is emulated before Zen 3, so that using it is a slowdown
_arch=x86-64-avx2
fi
elif grep -wq avx2 /proc/cpuinfo; then
_arch=x86-64-avx2
elif grep -wq sse4_1 /proc/cpuinfo && grep -wq popcnt /proc/cpuinfo; then
_arch=x86-64-sse41-popcnt
elif grep -wq ssse3 /proc/cpuinfo; then
_arch=x86-64-ssse3
elif grep -wq pni /proc/cpuinfo && grep -wq popcnt /proc/cpuinfo; then
_arch=x86-64-sse3-popcnt
else
_arch=x86-64
fi
make ARCH="$_arch" profile-build
}
package() {
cd "$pkgname/src"
make PREFIX="$pkgdir/usr" install
}
# vim:set sts=2 sw=2 et:
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