./configure --prefix=/usr \
            --libdir=/usr/lib \
            --sysconfdir=/etc/R \
            --datarootdir=/usr/share \
              rsharedir=/usr/share/R/ \
              rincludedir=/usr/include/R/ \
              rdocdir=/usr/share/doc/R/ \
            --with-x \
            --enable-R-shlib \
            --with-lapack \
            --with-blas \
            --enable-lto \
            F77=gfortran \
            LIBnn=lib
make

make -C src/nmath/standalone shared

make install DESTDIR="$PKGDIR"
make -C "$SRCDIR"/src/unix install-pc DESTDIR="$PKGDIR"
make -C src/nmath/standalone install DESTDIR="$PKGDIR"
