anchor.diff:  
   FROM builder AS libgsm
   COPY --from=libgsm_download /tmp/libgsm/ /tmp/libgsm/
  -RUN \
  -  cd libgsm && \
  +WORKDIR /tmp/libgsm
  +RUN \
     # Makefile is garbage, hence use specific compile arguments and flags
     # no need to build toast cli tool \
     rm src/toast* && \
  
positive.code: 
  FROM builder AS libgme
  COPY --from=libgme_download /tmp/libgme/ /tmp/libgme/
  RUN \
    cd libgme && \
    mkdir build && cd build && \
    cmake \
      -G"Unix Makefiles" \
  
negative.code: 
  FROM builder AS libshine
  COPY --from=libshine_download /tmp/libshine/ /tmp/libshine/
  WORKDIR /tmp/libshine
  RUN \
    ./configure --with-pic --enable-static --disable-shared --disable-fast-install && \
    make -j$(nproc) install
  
  