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# Maintainer: Martin Diehl <aur@martin-diehl.net>
# Contributor: Andreas Bilke <abilke at cosy dot sbg dot ac dot at>
# Contributor: Myles English <myles at rockhead dot biz>
# Contributor: Lucas H. Gabrielli <heitzmann at gmail dot com>
pkgname=petsc
pkgver=3.15.4
pkgrel=2
_config=linux-c-opt
# if --with-debugging=yes is set then PETSC_ARCH is automatically set to
#"linux-c-debug" for some things, so the _config should be changed too
#_config=linux-c-debug
pkgdesc="Portable, extensible toolkit for scientific computation"
arch=('i686' 'x86_64')
url="https://www.mcs.anl.gov/petsc"
license=('BSD')
options=(staticlibs)
depends=('python' 'openmpi' 'boost' 'lapack')
makedepends=('gcc' 'gcc-fortran' 'cmake')
optdepends=('trilinos: support for trilinos'
  'ptscotch: support for ptscotch sequential and parallel graph partitioning library'
  'parmetis: support for parmetis parallel graph partitioning library'
  'metis: support for metis graph partitioning library'
  'pastix: support for the pastix solver'
  'superlu: support for the superlu sparse solver'
  'hypre: support for the hypre sparse system solver'
  'hdf5-openmpi: support for the parallel version of HDF5'
  'mumps: support for the mumps sparse solver'
  'fftw: support for the FFTW fast Fourier transform'
  'triangle: support for the two-dimensional quality mesh generator and Delaunay triangulator'
  'suitesparse: support for the suitesparse sparse matrix libraries'
  )
install=petsc.install
source=(http://ftp.mcs.anl.gov/pub/petsc/release-snapshots/${pkgname}-${pkgver/_/-}.tar.gz
        test_optdepends.sh)
sha256sums=('1e62fb0859a12891022765d1e24660cfcd704291c58667082d81a0618d6b0047'
            'f67901cec213c346481b6c9a56080dee9ee00a3852e46da9f35e933a11870623')

_install_dir=/opt/petsc/${_config}
_petsc_arch=arch-${_config}

build() {
  _build_dir=${srcdir}/${pkgname}-${pkgver/_/-}
  cd ${_build_dir}

  export PETSC_ARCH=${_petsc_arch}
  export PETSC_DIR=${_build_dir}

  CONFOPTS="--with-shared-libraries=1 \
            --with-mpi-f90module-visibility=0 \
            --COPTFLAGS=-O3 --CXXOPTFLAGS=-O3 --FOPTFLAGS=-O3 \
            --with-cc=$(which mpicc) --with-cxx=$(which mpicxx) --with-fc=$(which mpifort) \
            $(sh ${srcdir}/test_optdepends.sh)"

  echo ${CONFOPTS}
  python ./configure --prefix=${_install_dir} ${CONFOPTS}

  make ${MAKEFLAGS} all
  make DESTDIR=${srcdir}/tmp install
}

check() {
  _build_dir=${srcdir}/${pkgname}-${pkgver/_/-}
  cd ${_build_dir}

  if [ -z $(ldconfig -p | grep libcuda.so.1) ]; then
    export OMPI_MCA_opal_warn_on_missing_libcuda=0
  fi
  make check
}

package() {
  _build_dir=${srcdir}/${pkgname}-${pkgver/_/-}


  mkdir -p ${pkgdir}/${_install_dir}
  cp -Hr ${srcdir}/tmp/* ${pkgdir}

  # install licence (even though there is no such word as licenses)
  install -Dm 644 ${_build_dir}/LICENSE ${pkgdir}/usr/share/licenses/$pkgname/LICENSE

  mkdir -p ${pkgdir}/etc/profile.d
  echo export PETSC_DIR=${_install_dir} > ${pkgdir}/etc/profile.d/petsc.sh
  chmod +x ${pkgdir}/etc/profile.d/petsc.sh

  # show where the shared libraries are
  install -dm 755 ${pkgdir}/etc/ld.so.conf.d/
  echo ${_install_dir}/lib > ${pkgdir}/etc/ld.so.conf.d/petsc.conf

  # install pkgconfig settings
  install -Dm 644 ${_build_dir}/${_petsc_arch}/lib/pkgconfig/PETSc.pc ${pkgdir}/usr/share/pkgconfig/PETSc.pc
}