anchor.diff:  	&& install -m755 objs/ngx_http_xslt_filter_module-debug.so /usr/lib/nginx/modules/ngx_http_xslt_filter_module-debug.so \
   	&& install -m755 objs/ngx_http_image_filter_module-debug.so /usr/lib/nginx/modules/ngx_http_image_filter_module-debug.so \
   	&& install -m755 objs/ngx_http_geoip_module-debug.so /usr/lib/nginx/modules/ngx_http_geoip_module-debug.so \
  +	&& install -m755 objs/ngx_http_perl_module-debug.so /usr/lib/nginx/modules/ngx_http_perl_module-debug.so \
   	&& ln -s ../../usr/lib/nginx/modules /etc/nginx/modules \
   	&& strip /usr/sbin/nginx* \
   	&& strip /usr/lib/nginx/modules/*.so \
  
positive.code: 		libxslt-dev \
  		gd-dev \
  		geoip-dev \
  	&& curl -fSL http://nginx.org/download/nginx-$NGINX_VERSION.tar.gz -o nginx.tar.gz \
  	&& curl -fSL http://nginx.org/download/nginx-$NGINX_VERSION.tar.gz.asc  -o nginx.tar.gz.asc \
  	&& export GNUPGHOME="$(mktemp -d)" \
  
negative.code: 	--with-http_xslt_module=dynamic \
  	--with-http_image_filter_module=dynamic \
  	--with-http_geoip_module=dynamic \
  	--with-http_perl_module=dynamic \
  	--with-threads \
  	--with-stream \
  	--with-stream_ssl_module \
  