# Maintainer: Levente Polyak <anthraxx[at]archlinux[dot]org>
# Maintainer: David Runge <dvzrv@archlinux.org>
# Contributor: Anatol Pomozov <anatol dot pomozov at gmail>
# Contributor: Stéphane Gaudreault <stephane@archlinux.org>

pkgname=openmpi4
_pkgname=${pkgname%4}
pkgver=4.1.6
pkgrel=3
pkgdesc='High performance message passing library (MPI)'
arch=(x86_64 pentium4 i686 i486)
url='https://www.open-mpi.org'
license=('custom:OpenMPI')
depends=(
  gcc-libs
  glibc
  hwloc
  libevent
  libnl
  openpmix
  openssh
  zlib
)
makedepends=(
  cuda
  gcc-fortran
  valgrind
)
optdepends=(
  'cuda: cuda support'
  'gcc-fortran: fortran support'
  'perl: for aggregate_profile.pl and profile2mat.pl'
)
provides=(
  openmpi
  libmca_common_cuda.so
  libmca_common_monitoring.so
  libmca_common_ompio.so
  libmca_common_sm.so
  libmpi.so
  libmpi_cxx.so
  libmpi_mpifh.so
  libmpi_usempi_ignore_tkr.so
  libmpi_usempif08.so
  libompitrace.so
  libopen-pal.so
  libopen-rte.so
)
conflicts=(openmpi)
replaces=(openmpi)
source=(
  https://download.open-mpi.org/release/open-mpi/v${pkgver%.*}/${pkgname%4}-$pkgver.tar.bz2)
sha256sums=('f740994485516deb63b5311af122c265179f5328a0d857a567b85db00b11e415')
b2sums=('4f119e1ed9b8787f0f860295ab1721fe2fd5300b8e182230a9eba3a864680b02bbd30618cc6d798a693a121626fc0ad5f447144d9ba91becb734f1a530d7a23a')

build() {
  local configure_options=(
    --prefix=/usr
    --enable-builtin-atomics
    --enable-memchecker
    --enable-mpi-cxx
    --enable-mpi-fortran=all
    --enable-pretty-print-stacktrace
    --libdir=/usr/lib
    --sysconfdir=/etc/$_pkgname
    --with-cuda=/opt/cuda
    --with-hwloc=external
    --with-libevent=external
    --with-pmix=external
    --with-valgrind
  )
  cd $_pkgname-$pkgver

  # set environment variables for reproducible build
  # see https://github.com/open-mpi/ompi/blob/main/docs/release-notes/general.rst
  export HOSTNAME=buildhost
  export USER=builduser

  # TODO: depend on prrte with openmpi >= 5
  # TODO: remove ac_cv_func_sem_open=no when there is a glibc release fixing https://sourceware.org/bugzilla/show_bug.cgi?id=30789
  ac_cv_func_sem_open=no ./configure "${configure_options[@]}"
  # prevent excessive overlinking due to libtool
  sed -i -e 's/ -shared / -Wl,-O1,--as-needed\0/g' libtool
  make V=1
}

check() {
  make check -C $_pkgname-$pkgver
}

package() {
  depends+=(libpmix.so)

  make DESTDIR="$pkgdir" install -C $_pkgname-$pkgver
  install -Dm 644 $_pkgname-$pkgver/LICENSE -t "$pkgdir/usr/share/licenses/$_pkgname/"
}

# vim: ts=2 sw=2 et:

# -- Arch32 specific --

# no CUDA
makedepends=(${makedepends[@]//cuda/})
eval "$(
 declare -f build | \
    sed '
      /local configure_options.*/ a \
        configure_options=(${configure_options[@]//--with-cuda=\\/opt\\/cuda})
    '
)"