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# Maintainer: Tim Rakowski <tim.rakowski@gmail.com>
# Contributor: Sven-Hendrik Haase <sh@lutzhaase.com>
# Contributor: Javier Fuentes <0xffaa.rm@gmail.com>
# Contributor: Figo.zhang <figo1802@gmail.com>
# Contributor: hauptmech

pkgname=flann
pkgver=1.9.1
pkgrel=2
pkgdesc="FLANN is a library for performing fast approximate nearest neighbor searches in high dimensional spaces"
arch=('i686' 'x86_64')
url='http://www.cs.ubc.ca/~mariusm/index.php/FLANN/FLANN'
license=('BSD')
depends=('lz4' 'hdf5')
makedepends=('cmake' 'python2' 'texlive-core')
optdepends=('python2: python bindings'
            'cuda: cuda support')
source=("https://github.com/mariusmuja/flann/archive/${pkgver}.tar.gz" "system_lz4.patch")
md5sums=('73adef1c7bf8e8b978987e7860926ea6'
         'af01e25f6b090c1c1f266797a03f4766')

prepare() {
  cd "$srcdir/flann-${pkgver}"

  patch -Np2 -i "${srcdir}/system_lz4.patch"

  sed -i "s|setup\.py install|setup.py install --root=$pkgdir --optimize=1|" src/python/CMakeLists.txt
}

build() {
  cd "$srcdir/flann-${pkgver}"

  #[[ -d build ]] && rm -r build
  mkdir -p build && cd build
  cmake .. \
      -DCMAKE_BUILD_TYPE=Release \
      -DCMAKE_INSTALL_PREFIX=/usr \
      -DBUILD_MATLAB_BINDINGS=OFF \
      -DBUILD_PYTHON_BINDINGS=ON \
      -DPYTHON_EXECUTABLE=/usr/bin/python2 \
      -DBUILD_TESTS=OFF \
      -DBUILD_EXAMPLES=OFF
  make
  make doc
}

package() {
  cd "$srcdir/flann-${pkgver}"

  cd build
  make DESTDIR="$pkgdir" install

  #install license file
  install -D -m644 ../COPYING "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"

  # remove lz4 because we use the one supplied by the system
  rm -r "${pkgdir}/usr/include/flann/ext"
}