diff -r 9f7946c892da -r 0a44fc4d6bd0 config/global/build-behave.in
--- a/config/global/build-behave.in	Sun Aug 02 20:06:06 2009 +0200
+++ b/config/global/build-behave.in	Sun Aug 02 20:06:44 2009 +0200
@@ -89,10 +89,25 @@
       
       See help for CONFIG_SHELL_SH, above, for more explanations.
 
+config CONFIG_SHELL_CUSTOM
+    bool
+    prompt "custom shell"
+    help
+      Enter full path to the custom shell below.
+      
+      See help for CONFIG_SHELL_SH, above, for more explanations.
+
+config CONFIG_SHELL_CUSTOM_PATH
+    string
+    prompt "Path to custom shell"
+    depends on CONFIG_SHELL_CUSTOM
+    default "/bin/sh"
+
 endchoice
 
 config CONFIG_SHELL
     string
-    default "sh"    if CONFIG_SHELL_SH
-    default "ash"   if CONFIG_SHELL_ASH
-    default "bash"  if CONFIG_SHELL_BASH
+    default "sh"        if CONFIG_SHELL_SH
+    default "ash"       if CONFIG_SHELL_ASH
+    default "bash"      if CONFIG_SHELL_BASH
+    default "custom"    if CONFIG_SHELL_CUSTOM