nginx 0.1.9 *) Bugfix: the proxied request was sent without arguments if the request contains "//", "/./", "/../" or "%XX". *) Bugfix: the large compressed responses may be transferred not completely. *) Bugfix: the files bigger than 2G was not transferred on Linux that does not support sendfile64(). *) Bugfix: while the build configuration on Linux the --with-poll_module parameter was required; bug appeared in 0.1.8.

--- a/src/core/ngx_buf.c
+++ b/src/core/ngx_buf.c
@@ -140,7 +140,7 @@ void ngx_chain_update_chains(ngx_chain_t
             break;
         }
 
-#if (HAVE_WRITE_ZEROCOPY)
+#if (NGX_HAVE_WRITE_ZEROCOPY)
         if ((*busy)->buf->zerocopy_busy) {
             break;
         }