a prelimiary proxy cache support
diff --git a/src/http/ngx_http_request.h b/src/http/ngx_http_request.h
index 403a4fc..ee87669 100644
--- a/src/http/ngx_http_request.h
+++ b/src/http/ngx_http_request.h
@@ -348,7 +348,9 @@
ngx_http_event_handler_pt read_event_handler;
ngx_http_event_handler_pt write_event_handler;
+#if (NGX_HTTP_CACHE)
ngx_http_cache_t *cache;
+#endif
ngx_http_upstream_t *upstream;
ngx_array_t *upstream_states;
@@ -443,6 +445,9 @@
unsigned subrequest_in_memory:1;
unsigned waited:1;
+#if (NGX_HTTP_CACHE)
+ unsigned cached:1;
+#endif
unsigned gzip:2;
unsigned proxy:1;