From 1936b6d75a534e16c2898065828087ed510d280e Mon Sep 17 00:00:00 2001
From: Charles Lowell <cowboyd@thefrontside.net>
Date: Thu, 2 Jan 2014 23:13:12 +0200
Subject: [PATCH] use :platforms to differentiate gems in gemfile

---
 Gemfile | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/Gemfile b/Gemfile
index 6104f29..033b59a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,12 +2,10 @@ source 'http://rubygems.org'
 
 gemspec
 
-if Object.const_defined?(:RUBY_ENGINE) && RUBY_ENGINE == 'rbx'
-  gem "rubysl", "~> 2.0"
-else
-  gem "gem-compiler"
-end
+gem "rubysl", :platforms => :rbx
 gem 'redjs', :git => 'https://github.com/cowboyd/redjs.git'
 gem "rake"
 gem "rspec", "~> 2.0"
 gem "rake-compiler"
+gem "gem-compiler", :platforms => :mri
+