# Maintainer: eDgar <edgar At open mail Dot Cc>
pkgname=(
         # "getfem-git"
         "getfem-git-docs"
        )
realname=getfem
pkgver=v5.4.1.r41.g9ac4e7f2
pkgrel=1
pkgdesc="A finite element framework to solve partial differential equations"
arch=('x86_64')
url="http://getfem.org"
license=('LGPL3')
makedepends=("m4" "automake" "doxygen")
source=("${realname}::git+https://git.savannah.nongnu.org/git/${realname}.git")
md5sums=('SKIP')



generic_flags="-fPIC -fopenmp -O3 -march=amdfam10 -mtune=generic"

export   COPTFLAGS=-O3
export CPPOPTFLAGS=-O3
export CXXOPTFLAGS=-O3
export      CFLAGS="$generic_flags -I/usr/include/scotch -L/usr/lib/openmpi/"
# Fortify is optional
export    CPPFLAGS="$generic_flags -O2 -D_FORTIFY_SOURCE=2 -I/usr/include/scotch"
export    CXXFLAGS="$generic_flags -O2 -D_FORTIFY_SOURCE=2 -I/usr/include/scotch"
export      FFLAGS="$generic_flags"
export     FCFLAGS="$generic_flags"
export    F90FLAGS="$generic_flags"
export    F77FLAGS="$generic_flags"
[[ -f /usr/bin/mpicxx ]] &&
  export      MPICXX=/usr/bin/mpicxx # CXX=/usr/bin/mpicxx CPP=/usr/bin/mpicxx
[[ -f /usr/bin/mpicc ]] &&
  export      MPICC=/usr/bin/mpicc # CC=/usr/bin/mpicc

export LANG=en_IE.UTF-8 LANGUAGE=en_IE.UTF-8 LC_ALL=en_IE.UTF-8

pkgver() {
  cd "${srcdir}/${realname}"
  git describe --long --tags --match '*.*' | sed 's/\([^-]*-g\)/r\1/;s/-/./g;s/_//'
}

prepare(){
  cd "${realname}"

  ./autogen.sh

}

build() {
  cd "${realname}"

  local config_file="${srcdir}/${realname}"/configure

  local CONFOPTS=(
    # Less verbose
    --quiet
    --enable-silent-rules

    # Directories configuratoin
    --srcdir="${srcdir}/${realname}"
    # target directory
    --prefix=/usr
    # read-only single-machine data (Make.common)
    --sysconfdir=/etc
    # Binary directory
    --bindir=/usr/bin
    # Base data dir (affects doc and others)
    --datadir=/usr/share
    # Make sure that the documentation is in the right place
    --docdir=/usr/share/doc/${realname}
    # use relative addresses for jumps
    --with-pic
    # get -march flag for this system
    --enable-march
    # shared libraries
    --enable-shared

    # Python interface
    --enable-python
  )

  # BLAS: calls for basic algebra routines
  if [[ "$(ldconfig -p | grep libopenblas.so)" \
          =~ "libopenblas.so" ]]; then
	CONFOPTS=( "${CONFOPTS[@]}"
               --enable-blas-interface
               --enable-blas64-support)
  fi

  # METIS support (automatic meshing partitioning)
  if [[ $(ldconfig -p | grep libmetis.so) \
          =~ "libmetis.so" ]]; then
	CONFOPTS=( "${CONFOPTS[@]}" --enable-metis)
  fi

  # Parallel support
  if [[ $(ldconfig -p | grep libmpi.so) =~ "libmpi.so" ]] &&
       [[ "$(ldconfig -p | grep libomp.so)" \
            =~ "libomp.so" ]]; then
	CONFOPTS=( "${CONFOPTS[@]}"
               --enable-paralevel
               --enable-multithread-blas)
  fi

  # MUMPS library. A direct solver for large sparse linear
  # systems.
  if [[ "$(ldconfig -p | grep libmumps_common.so )" \
          =~ "libmumps_common.so" ]]; then
    if [[ "${CONFOPTS[@]}" \
            =~ "--enable-paralevel" ]]; then
      CONFOPTS=( "${CONFOPTS[@]}" --enable-par-mumps )
      #   CONFOPTS=( "${CONFOPTS[@]}"
      #              # doc/sphinx/source/userdoc/linalg.rst
      #              --with-mumps-include-dir="-I/usr/include"
      #              --with-mumps="-lmumps_common"
      #            )
      export LIBS="-ldmumps -lmpi -fopenmp -Wl,-rpath -Wl,/usr/lib -Wl,-rpath -Wl,/lib -Wl,-rpath -Wl,/usr/lib -Wl,-rpath -Wl,/usr/lib/openmpi -lmpi -lpord -lblas -lscotch -lmumps_common -llapack -lopenblas -lesmumps -lptscotch -lptscotcherr -lmetis -lpthread -lstdc++ -fopenmp"
      export MUMPS_LIBS="-ldmumps -lmpi -fopenmp -Wl,-rpath -Wl,/usr/lib -Wl,-rpath -Wl,/lib -Wl,-rpath -Wl,/usr/lib -Wl,-rpath -Wl,/usr/lib/openmpi -lmpi -lpord -lblas -lscotch -lmumps_common -llapack -lopenblas -lesmumps -lptscotch -lptscotcherr -lmetis -lpthread -lstdc++ -fopenmp"
    elif [[ ! "$(ldconfig -p | grep libmumps_seq.so )" \
              =~ "libmumps_seq.so" ]]; then
      --enable-mumps=no
    fi;
  fi;

  # OpenMP: 64 bits integer blas and lapack
  if [[ "$(ldconfig -p | grep libomp.so)" \
          =~ "libomp.so" ]]; then
	CONFOPTS=( "${CONFOPTS[@]}" )
  fi

  # OpenMP: Multi-threaded version of GetFEM
  if [[ "$(ldconfig -p | grep libomp.so)" \
          =~ "libomp.so" ]]; then
	CONFOPTS=( "${CONFOPTS[@]} --enable-openmp" )
  fi

  # qhull library (required for generation of non regular
  # meshes)
  if [[ "$(ldconfig -p | grep libqhull.so)" \
          =~ "libqhull.so" ]]; then
	CONFOPTS=( "${CONFOPTS[@]} --enable-qhull")
  fi

  # SuperLU (sparse linear systems)
  if [[ "$(ldconfig -p | grep libsuperlu.so)" \
          =~ "libsuperlu.so" ]]; then
	CONFOPTS=( "${CONFOPTS[@]} --enable-superlu")
  fi

  for (( i=1; i<=${#CONFOPTS[@]}; i++)); do
    echo "${CONFOPTS[$i]}";
  done

  $config_file $(for (( i=1; i<=${#CONFOPTS[@]}; i++)); do
                   echo "${CONFOPTS[$i]}";
                 done)
  make
  make html-recursive
}

package_getfem-git() {
  # package() {
  depends=('python-numpy' 'python-scipy')
  optdepends=('blas' 'lapack' 'metis' 'mumps' 'openblas'
              'openmp' 'qd' 'qhull' 'superlu')
  provides=('gmm')
  conflicts=('gmm' 'getfem')

  cd "${realname}"
  make DESTDIR="$pkgdir/" install
  [[ -d "${pkgdir}/etc/share/getfem" ]] ||
    mkdir -p "${pkgdir}/etc/share/getfem"
  mv "${pkgdir}/usr/getfem_toolbox" "${pkgdir}/etc/share/getfem"
}

package() {
#package_getfem-git-docs() {
  provides=('getfem-docs')
  conflicts=('getfem-docs')
  depends=('getfem-git')
  cd "${realname}"
  mkdir -p ${pkgdir}/usr/share/doc/getfem
  sed -i "s%OUTPUT_DIRECTORY.*%OUTPUT_DIRECTORY=${pkgdir}/usr/share/doc/getfem%g" doc/doxygen/Doxyfile
  doxygen doc/doxygen/Doxyfile
  # make -f doc/sphinx/Makefile # cd doc/sphinx
  # make DESTDIR="${pkgdir}"/usr/share/doc/"${realname}"/ html
  # make DESTDIR="${pkgdir}"/usr/share/doc/"${realname}"/ latex
  }