$NetBSD$

Allow changeing rake command's name.

--- lib/mkrf/rakehelper.rb.orig	2010-08-28 10:52:11.000000000 +0000
+++ lib/mkrf/rakehelper.rb
@@ -5,7 +5,7 @@
 
 def rake(rakedir)
   Dir.chdir(rakedir) do
-    sh 'rake'
+    sh '@RAKE@'
   end
 end
 
@@ -105,7 +105,7 @@ end
 def sub_project(project, *targets)
   targets.each do |target|
     Dir.chdir "projects/#{project}" do
-      sh %{rake --trace #{target.to_s} }
+      sh %{@RAKE@ --trace #{target.to_s} }
     end
   end
 end
