diff -r 13df2720b374 -r 3dc2727ebffc config/cc/gcc.in.2
--- a/config/cc/gcc.in.2	Fri Oct 14 22:44:24 2011 +0200
+++ b/config/cc/gcc.in.2	Sat Dec 31 16:23:27 2011 +0100
@@ -53,6 +53,19 @@
       having to worry about distributing the matching version of libstdc++
       along with it.
 
+config CC_GCC_SYSTEM_ZLIB
+    bool
+    prompt "Use system zlib"
+    depends on EXPERIMENTAL
+    help
+      Do not use bundled zlib, and use the zlib already available for
+      the host (eg. the system library).
+      
+      If you want to build a static toolchain, you will need to also
+      install the static version of zlib for your host.
+      
+      If unsure, say 'n'.
+
 #-----------------------------------------------------------------------------
 # Optimisation features