PKGBUILD


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# Maintainer: Anton Kudelin <kudelin at proton dot me>

pkgname=spla
pkgver=1.5.5
pkgrel=1
pkgdesc="Specialized Parallel Linear Algebra"
arch=(x86_64 aarch64)
url="https://github.com/eth-cscs/spla"
license=(BSD)
depends=(openmpi cblas)
makedepends=(cmake gcc-fortran)
optdepends=('cuda: GPU Backend')
source=($pkgname-$pkgver.tar.gz::$url/archive/refs/tags/v$pkgver.tar.gz)
sha256sums=('bc0c366e228344b1b2df55b9ce750d73c1165380e512da5a04d471db126d66ce')

prepare() {
  mkdir -p "$srcdir/build"
  # Checking if nvcc is in PATH
  if command -v nvcc &> /dev/null
  then
    export _ACC=CUDA
    export LDFLAGS="$LDFLAGS -L/opt/cuda/lib64"
    echo "GPU is enabled"
  else
    export _ACC=OFF
    echo "GPU is disabled"
  fi
}

build() {
  cd "$srcdir/build"
  cmake ../"$pkgname-$pkgver" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DSPLA_FORTRAN=ON \
    -DSPLA_HOST_BLAS=GENERIC \
    -DSPLA_GPU_BACKEND=$_ACC
  make
}

package() {
  cd "$srcdir/build"
  make DESTDIR="$pkgdir" install
  install -Dm755 ../$pkgname-$pkgver/LICENSE \
    -t "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}