# Description: R is a free software environment for statistical computing and graphics
# URL: https://www.r-project.org/
# Maintainer: Tim Biermann, tbier at posteo dot de
# Depends on: brotli gnutls graphite2 icu keyutils krb5 libpcre2 libpsl libwebp openblas openldap pango rtmpdump xorg-libxmu zstd openjdk8

name=r
version=3.6.1
release=1
source=(https://cran.r-project.org/src/base/R-3/R-$version.tar.gz
r.desktop
r.png
R.conf
)

build() {
  cd R-$version
  sed -i 's|$(rsharedir)/texmf|${datarootdir}/texmf|' share/Makefile.in
  ./configure --prefix=/usr \
    --libdir=/usr/lib \
    --sysconfdir=/etc/R \
    --datarootdir=/usr/share \
    rsharedir=/usr/share/R/ \
    rincludedir=/usr/include/R/ \
    --with-x \
    --enable-R-shlib \
    --with-lapack \
    --with-blas \
    F77=gfortran \
    LIBnn=lib
  make

  pushd src/nmath/standalone
  make shared
  popd
  make DESTDIR=$PKG install
  pushd src/nmath/standalone
  make DESTDIR=$PKG install
  popd

  sed -i "s|$PKG ||" "$PKG/usr/bin/R"
  rm "$PKG/usr/lib/R/bin/R"
  cd "$PKG/usr/lib/R/bin"
  ln -s ../../../bin/R

  install -Dm644 "$SRC/r.desktop" \
    "$PKG/usr/share/applications/r.desktop"
  install -Dm644 "$SRC/r.png" \
    "$PKG/usr/share/pixmaps/r.png"
  install -Dm644 "$SRC/R.conf" \
    "$PKG/etc/ld.so.conf.d/R.conf"

  install -d $PKG/etc/R
  cd $PKG/usr/lib/R/etc
  for i in *; do
    mv -f ${i} $PKG/etc/R
    ln -s /etc/R/$i $i
  done

  #clean up
  find $PKG \(\
    -iname '*README*' -o \
    -iname '*COPYING*' -o \
    -iname '*AUTHORS*' -o \
    -iname '*THANKS*' -o \
    -iname '*NEWS*' -o \
    -iname '*LICENSE*' -o \
    -iname '*CHANGELOG*' \
    \) -exec rm '{}' \+ || true
    #doh! don't remove INSTALl or you won't be able to install R packages
    #-iname '*INSTALL*' -o \
}