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# Maintainer: Torsten Keßler <t dot kessler at posteo dot de>
# Contriubtor: Markus Näther <naetherm@informatik.uni-freiburg.de>
# Contributor: acxz <akashpatel2008 at yahoo dot com>

pkgname=rccl
pkgver=5.0.2
pkgrel=1
pkgdesc="ROCm Communication Collectives Library"
arch=('x86_64')
url="https://github.com/ROCmSoftwarePlatform/rccl"
license=('custom')
depends=('hip' 'rocm-smi-lib64')
makedepends=('cmake' 'python' 'gtest')
source=("$pkgname-$pkgver.tar.gz::$url/archive/rocm-$pkgver.tar.gz")
sha256sums=('a2377ad2332b93d3443a8ee74f4dd9f965ae8cbbfad473f8f57ca17905389a39')
_dirname="$(basename $url)-$(basename ${source[0]} .tar.gz)"

build() {
  # -fcf-protection is not supported by HIP, see
  # https://github.com/ROCm-Developer-Tools/HIP/blob/rocm-5.0.x/docs/markdown/clang_options.md

  CXX=/opt/rocm/hip/bin/hipcc \
  CXXFLAGS="${CXXFLAGS} -fcf-protection=none" \
  cmake -B build -Wno-dev \
        -S "$_dirname" \
        -DCMAKE_INSTALL_PREFIX=/opt/rocm \
        -DBUILD_TESTS=OFF \
        -DAMDGPU_TARGETS=${AMDGPU_TARGETS}

  make -C build
}

package() {
  DESTDIR="$pkgdir" make -C build install

  install -Dm644 /dev/stdin "$pkgdir/etc/ld.so.conf.d/rccl.conf" <<EOF
/opt/rocm/rccl/lib
EOF

  install -Dm644 "$srcdir/$_dirname/LICENSE.txt" "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
}