anchor.diff:  RUN apk add --no-cache $BUILD_DEPS && \
       git clone --depth=1 --branch stable "$LIBSODIUM_GIT_URL" && \
       cd libsodium && \
  -    env CFLAGS=-Ofast ./configure --disable-dependency-tracking && \
  +    ./configure --disable-dependency-tracking && \
       make -j"$(getconf _NPROCESSORS_ONLN)" check && make -j"$(getconf _NPROCESSORS_ONLN)" install && \
       ldconfig /usr/local/lib && \
       apk del --purge $BUILD_DEPS && \
  
positive.code:     groupadd _dnscrypt-signer && \
      useradd -g _dnscrypt-signer -G _dnscrypt-wrapper -s /etc -d /dev/null _dnscrypt-signer && \
      make -j"$(getconf _NPROCESSORS_ONLN)" configure && \
      env CFLAGS=-Ofast ./configure --prefix=/opt/dnscrypt-wrapper && \
      make -j"$(getconf _NPROCESSORS_ONLN)" install && \
      apk del --purge $BUILD_DEPS && \
      rm -fr /tmp/* /var/tmp/*
  
negative.code: SHELL ["/bin/sh", "-x", "-c"]
  ENV SERIAL 3
  
  ENV CFLAGS=-Ofast
  ENV BUILD_DEPS   make gcc musl-dev git libevent-dev expat-dev shadow autoconf file openssl-dev byacc linux-headers
  ENV RUNTIME_DEPS bash util-linux coreutils findutils grep openssl ldns ldns-tools libevent expat libexecinfo coreutils drill ca-certificates
  
  