diff -r 6df0d71a7a55 -r aede9b9a2ffa config/toolchain.in
--- a/config/toolchain.in	Thu Jan 07 23:05:30 2010 +0100
+++ b/config/toolchain.in	Mon Apr 19 23:42:31 2010 +0200
@@ -14,7 +14,7 @@
 
 config SYSROOT_DIR_PREFIX
     string
-    prompt "sysroot prefix dir (READ HELP)"
+    prompt "sysroot prefix dir (READ HELP)" if ! BACKEND
     depends on USE_SYSROOT
     default ""
     help