apply the max_subrequests patch to allow the NGX_HTTP_MAX_SUBREQUESTS macro to be overridden from the outside and adjusted the default value from 50 to 100 because 50 is a little too conservative.

patches/nginx-1.0.11-max_subrequests.patch

@@ -0,0 +1,14 @@
+--- nginx-1.0.11/src/http/ngx_http_request.h	2011-08-29 18:39:23.000000000 +0800
++++ nginx-1.0.11-patched/src/http/ngx_http_request.h	2012-02-20 15:50:43.540762756 +0800
+@@ -9,7 +9,10 @@
+ 
+ 
+ #define NGX_HTTP_MAX_URI_CHANGES           10
+-#define NGX_HTTP_MAX_SUBREQUESTS           50
++
++#ifndef NGX_HTTP_MAX_SUBREQUESTS
++#define NGX_HTTP_MAX_SUBREQUESTS           100
++#endif
+ 
+ /* must be 2^n */
+ #define NGX_HTTP_LC_HEADER_LEN             32

patches/nginx-1.0.12-max_subrequests.patch

@@ -0,0 +1,14 @@
+--- nginx-1.0.12/src/http/ngx_http_request.h	2011-08-29 18:39:23.000000000 +0800
++++ nginx-1.0.12-patched/src/http/ngx_http_request.h	2012-02-20 15:50:43.540762756 +0800
+@@ -9,7 +9,10 @@
+ 
+ 
+ #define NGX_HTTP_MAX_URI_CHANGES           10
+-#define NGX_HTTP_MAX_SUBREQUESTS           50
++
++#ifndef NGX_HTTP_MAX_SUBREQUESTS
++#define NGX_HTTP_MAX_SUBREQUESTS           100
++#endif
+ 
+ /* must be 2^n */
+ #define NGX_HTTP_LC_HEADER_LEN             32

util/mirror-tarballs

@@ -42,6 +42,9 @@ patch -p1 < $root/patches/nginx-$main_ver-epoll_check_stale_wev.patch || exit 1
 
 #patch -p1 < $root/patches/nginx-$main_ver-request_body_in_single_buf.patch || exit 1
 
+echo "INFO: applying the max_subrequests patch...";
+patch -p1 < $root/patches/nginx-$main_ver-max_subrequests.patch || exit 1
+
 patch -p1 -l < $root/patches/nginx-$main_ver-subrequest_loop.patch || exit 1
 
 patch -p1 -l < $root/patches/nginx-$main_ver-gzip_empty_flush_buf.patch || exit 1