anchor.diff:      && cd ${_prefix}/api-gateway \
       && mkdir -p site/manifest site/pod \
       && cd site \
  -    && ln -s ../lualib ./ \
  +    && ( [ -x ../lualib ] || ln -s ../lualib ./ ) \
       && ln -s ${_prefix}/api-gateway/bin/opm /usr/bin/opm \
       && ln -s ${_prefix}/api-gateway/bin/resty /usr/bin/resty \
       && rm -rf /tmp/api-gateway
  
positive.code:     && rm -rf /var/cache/apk/*
  
  # openresty build
  ENV OPENRESTY_VERSION=1.9.7.3 \
      NAXSI_VERSION=0.53-2 \
      PCRE_VERSION=8.37 \
      TEST_NGINX_VERSION=0.24 \
  
negative.code:      && if [ x`uname -m` = xs390x ]; then \
            luajitdir="=/usr/local/" \
  	  pcrejit="" \
          ; elif [ x`uname -m` = xppc64le ]; then \
            luajitdir="=/usr/local/" \
            pcrejit="--with-pcre-jit" \
          ; else \
  	  luajitdir="" \
  	  pcrejit="--with-pcre-jit" \
  