anchor.diff:  		libxslt-dev \
   		gd-dev \
   		geoip-dev \
  +		perl-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)" \
  
positive.code: 	&& mv objs/ngx_http_xslt_filter_module.so objs/ngx_http_xslt_filter_module-debug.so \
  	&& mv objs/ngx_http_image_filter_module.so objs/ngx_http_image_filter_module-debug.so \
  	&& mv objs/ngx_http_geoip_module.so objs/ngx_http_geoip_module-debug.so \
  	&& ./configure $CONFIG \
  	&& make \
  	&& make install \
  
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 \
  