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# Maintainer: Philipp Claßen <philipp.classen@posteo.de>
pkgname=ghost-bin
pkgver=3_1
pkgrel=1
pkgdesc="Xboard compatible chess engine - Precompiled binary from the official website"
arch=('i686' 'x86_64')
url="http://www.ghostchess.de"
license=('BSD')
depends=(sh)
optdepends=(
'xboard: graphical user interface'
)
install=install
_urlprefix='http://www.ghostchess.de/ghost3/linux'
if test "$CARCH" == x86_64; then
source=("${_urlprefix}/ghost3_linux64_v${pkgver}.tar.xz"
LICENSE)
sha256sums=('1a4d99dc73b06da6e7210d7da80e53dcbf1d67f77f27c435c805fbe6a6bc147e'
'SKIP')
_dir=ghost3_linux64_v${pkgver/_/.}_64bit
_binary=ghost_v${pkgver/_/.}-64bit
# to use the slower version without POPCNT instruction:
#_binary=ghost_v${pkgver/_/.}-no-popcnt-64bit
else
source=("${_urlprefix}/ghost3_linux32_v${pkgver}.tar.xz"
LICENSE)
sha256sums=('1c10e9e087b44a9c9af18c3a1d220900c849bace519d5b943510b734a03c17a1'
'SKIP')
_dir=ghost3_linux32_v${pkgver/_/.}_32bit
_binary=ghost_v${pkgver/_/.}-32bit
fi
check() {
cd "${_dir}"
msg2 "Starting a simple search"
echo "go" | "./${_binary}" -sd 3 || \
(error "Simple search failed with an unknown error" ; \
if test "$CARCH" == x86_64 ; \
then error "Note: The 64-bit binary assumes that your CPU supports the POPCNT operation"; \
error "If you saw an illegal instruction crash, you can try the non-popcnt version (search for POPCNT in the PKGBUILD)"; \
fi ; false) && msg2 "Simple search completed without errors"
}
package() {
install -D -m644 LICENSE "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"
cd "${_dir}"
install -Dm755 ${_binary} "$pkgdir/usr/share/$pkgname/ghost"
install -Dm644 kp_kp.gbb "$pkgdir/usr/share/$pkgname/kp_kp.gbb"
install -Dm644 kpp_kp_ram.gbb "$pkgdir/usr/share/$pkgname/kpp_kp_ram.gbb"
# The .gbb files are expected to be in the same directory as the executable.
# /usr/bin/ghost only delegates to the real binary in /usr/share/ghost
mkdir -p "$pkgdir/usr/bin"
printf "#!/bin/sh\n/usr/share/%s/ghost \"\$@\"" $pkgname >> "$pkgdir/usr/bin/ghost"
chmod 755 "$pkgdir/usr/bin/ghost"
}
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