anchor.diff:          pkg-config
   
   FROM build-dependencies AS openssl
  -RUN git clone --depth 1 -b OpenSSL_1_1_1n+quic https://github.com/quictls/openssl && \
  +RUN git clone --depth 1 -b OpenSSL_1_1_1s+quic https://github.com/quictls/openssl && \
       cd openssl && \
       ./config enable-tls1_3 && \
       make -j $(nproc) && \
  
positive.code: COPY --from=openssl /usr/local/ /usr/local/
  COPY --from=nghttp3 /usr/local/ /usr/local/
  COPY --from=ngtcp2 /usr/local/ /usr/local/
  RUN git clone --depth=1 -b curl-7_80_0 https://github.com/curl/curl && \
      cd curl && \
      autoreconf -fi && \
      ./configure --enable-alt-svc --with-openssl --with-nghttp2 --with-nghttp3 --with-ngtcp2 && \
  
negative.code:     ldconfig
  
  FROM build-dependencies AS nghttp3
  RUN git clone --depth=1 -b v0.7.1 https://github.com/ngtcp2/nghttp3 && \
      cd nghttp3 && \
      autoreconf -fi && \
      ./configure --enable-lib-only && \
  