From 978844e9e28800cead326207ad7b90dd1c6e5ff5 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Sat, 6 Feb 2016 15:22:21 +0900
Subject: [PATCH] Prepend DevKit

---
 Rakefile | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Rakefile b/Rakefile
index e1cd2736..72080725 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,5 +1,21 @@
 require 'bundler/setup'
 require 'bundler/gem_tasks'
+
+#
+# Prepend DevKit into compilation phase
+#
+if Gem.win_platform?
+  desc 'Activates DevKit'
+  task :devkit do
+    begin
+      require 'devkit'
+    rescue LoadError
+      abort 'Failed to load DevKit required for compilation'
+    end
+  end
+  task compile: :devkit
+end
+
 require 'rake/testtask'
 require 'rake/extensiontask'