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# Maintainer: Anton Kudelin <kudelin at protonmail dot com>
pkgname=spfft
_pkgname=SpFFT
pkgver=0.9.11
pkgrel=1
pkgdesc="Sparse 3D FFT library with MPI, OpenMP, CUDA and ROCm support"
arch=("x86_64")
url="https://github.com/eth-cscs/SpFFT"
license=('BSD')
depends=('fftw-mpi')
makedepends=('cmake')
optdepends=('cuda: GPU support')
provides=('spfft')
conflicts=('spfft-cuda-git')
source=("$pkgname-$pkgver.tar.gz::$url/archive/v$pkgver.tar.gz")
sha256sums=('880aeddb6e88b4ce2ff88e78c6cac349359af10de0f4e909f305908852693593')
prepare() {
mkdir "$srcdir/build"
# Checking if nvcc is in PATH
if [ $( echo -n $( which nvcc) | tail -c 4 ) == nvcc ]
then
export _ACC=CUDA
export LDFLAGS="$LDFLAGS -L/opt/cuda/lib64"
echo "GPU is enabled"
else
export _ACC=OFF
echo "GPU is disabled"
fi
# Directively disabling MKL
cd "$srcdir/$_pkgname-$pkgver"
sed -i "s/find_package(MKLSequential)/# find_package(MKLSequential)/g" CMakeLists.txt
}
build() {
cd "$srcdir/build"
cmake ../$_pkgname-$pkgver \
-DCMAKE_INSTALL_PREFIX=/usr \
-DSPFFT_FORTRAN=ON \
-DSPFFT_MPI=ON \
-DSPFFT_OMP=ON \
-DSPFFT_GPU_BACKEND=$_ACC \
-DMKLSequential_FOUND=OFF
make CUDA_FLAGS="-O3 -Xcompiler=-fPIC"
}
package() {
cd "$srcdir/build"
make DESTDIR="$pkgdir" install
install -dm755 "$pkgdir/usr/share/licenses/$pkgname"
install ../$_pkgname-$pkgver/LICENSE $pkgdir/usr/share/licenses/$pkgname
}
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