anchor.diff:    --enable-libaribb24 \
     --enable-libass \
     --enable-libbluray \
  +  --enable-libcaca \
     --enable-libdav1d \
     --enable-libdavs2 \
     --enable-libfreetype \
  
positive.code:   FONTCONFIG_VERSION=$(pkg-config --modversion fontconfig)  \
    FREETYPE_VERSION=$(pkg-config --modversion freetype2)  \
    FRIBIDI_VERSION=$(pkg-config --modversion fribidi)  \
    LIBSAMPLERATE_VERSION=$(pkg-config --modversion samplerate) \
    LIBXML2_VERSION=$(pkg-config --modversion libxml-2.0) \
    SOXR_VERSION=$(pkg-config --modversion soxr) \
  
negative.code:   fontconfig-dev fontconfig-static \
    frei0r-plugins-dev \
    vo-amrwbenc-dev vo-amrwbenc-static \
    ladspa-dev \
    libcaca-dev libcaca-static
  
  COPY --from=vmaf /usr/local/lib/pkgconfig/libvmaf.pc /usr/local/lib/pkgconfig/libvmaf.pc
  COPY --from=vmaf /usr/local/lib/libvmaf.a /usr/local/lib/libvmaf.a
  