Support building of fat binary gem

This should fix issue #51 on Windows

CHANGES

@@ -1,4 +1,7 @@
-2010-08-15 (1.5.0)
+2011-01-24 (1.5.1)
+  * Made rake-compiler build a fat binary gem. This should fix issue
+    /~https://github.com/flori/json/issues#issue/54.
+2011-01-22 (1.5.0)
   * Included Java source codes for the Jruby extension made by Daniel Luz
     <dev@mernen.com>.
   * Output full exception message of deep_const_get to aid debugging.

Rakefile

@@ -386,8 +386,12 @@ else
   desc "Generate diagrams of ragel parser"
   task :ragel_dot => [ :ragel_dot_png, :ragel_dot_ps ]
 
+  task :environment do
+    ENV['RUBY_CC_VERSION'] = '1.8.7:1.9.2'
+  end
+
   desc "Build all gems and archives for a new release of json and json_pure."
-  task :release => [ :clean, :version, :cross, :native, :gem, ] do
+  task :release => [ :clean, :version, :environment, :cross, :native, :gem, ] do
     sh "#$0 clean native gem"
     sh "#$0 clean package"
   end

VERSION

@@ -1 +1 @@
-1.5.0
+1.5.1

lib/json/ext.rb

@@ -4,8 +4,21 @@ module JSON
   # This module holds all the modules/classes that implement JSON's
   # functionality as C extensions.
   module Ext
-    require 'json/ext/parser'
-    require 'json/ext/generator'
+    begin
+      if defined?(RUBY_ENGINE) == 'constant' and RUBY_ENGINE == 'ruby' and RUBY_VERSION =~ /\A1\.9\./
+        require 'json/ext/1.9/parser'
+        require 'json/ext/1.9/generator'
+      elsif !defined?(RUBY_ENGINE) && RUBY_VERSION =~ /\A1\.8\./
+        require 'json/ext/1.8/parser'
+        require 'json/ext/1.8/generator'
+      else
+        require 'json/ext/parser'
+        require 'json/ext/generator'
+      end
+    rescue LoadError
+      require 'json/ext/parser'
+      require 'json/ext/generator'
+    end
     $DEBUG and warn "Using Ext extension for JSON."
     JSON.parser = Parser
     JSON.generator = Generator

lib/json/version.rb

@@ -1,6 +1,6 @@
 module JSON
   # JSON version
-  VERSION         = '1.5.0'
+  VERSION         = '1.5.1'
   VERSION_ARRAY   = VERSION.split(/\./).map { |x| x.to_i } # :nodoc:
   VERSION_MAJOR   = VERSION_ARRAY[0] # :nodoc:
   VERSION_MINOR   = VERSION_ARRAY[1] # :nodoc: