Fix: ImportError: libR.so: cannot open shared object file..

# Contributor: David Scholl <djscholl@gmail.com>
# Contributor: David Pretty <david.pretty@gmail.com>
pkgname=python2-rpy2
pkgver=2.1.9
pkgrel=1
pkgdesc="A very simple, yet robust, Python interface to the R Programming Language."
arch=('i686' 'x86_64')
url="http://rpy.sourceforge.net/"
license=('MPL' 'GPL' 'LGPL')
depends=('python2-numpy' 'r')
source=("http://downloads.sourceforge.net/sourceforge/rpy/rpy2-$pkgver.tar.gz")
md5sums=('afe629914e7263900e5d15d419f69865')
build() {
  cd $startdir/src/rpy2-$pkgver
  sed -i "s:Rlapack:lapack:" setup.py
  sed -i "s:os.path.join(RHOME.strip(), 'include'):'/usr/include/R':" setup.py
  python2 setup.py install --prefix=/usr --root=$startdir/pkg || return 1
  mkdir -p $pkgdir/etc/ld.so.conf.d
  echo /usr/lib/R/lib > $pkgdir/etc/ld.so.conf.d/rpy_$CARCH.conf
}