$NetBSD: patch-af,v 1.3 2009/06/10 21:44:31 minskim Exp $

--- lib/rubygems/commands/uninstall_command.rb.orig	2009-03-13 16:16:55.000000000 -0700
+++ lib/rubygems/commands/uninstall_command.rb
@@ -49,6 +49,11 @@ class Gem::Commands::UninstallCommand < 
       options[:user_install] = value
     end
 
+    add_option('-B', '--install-root DIR',
+               'Root directory for gem files') do |value, options|
+      options[:install_root] = File.expand_path(value)
+    end
+
     add_version_option
     add_platform_option
   end