Add dedicate extensions folder into $LOAD_PATH.

0001-Add-dedicate-extensions-folder-into.patch

From 301522f15c42af06f41c560245bd77d212850877 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADt=20Ondruch?= <[email protected]>
Date: Thu, 3 Nov 2011 16:43:05 +0100
Subject: [PATCH] Add dedicate extensions folder into .

---
 lib/rubygems/specification.rb |   37 ++++++++++++++++++++++++++++++-------
 1 files changed, 30 insertions(+), 7 deletions(-)

diff --git a/lib/rubygems/specification.rb b/lib/rubygems/specification.rb
index 97db19e..263e7d3 100644
--- a/lib/rubygems/specification.rb
+++ b/lib/rubygems/specification.rb
@@ -843,6 +843,12 @@ class Gem::Specification
       File.join full_gem_path, path
     end
 
+    unless extensions.empty?
+      paths += require_paths.map do |path|
+        File.join ext_dir, path
+      end
+    end
+
     # gem directories must come after -I and ENV['RUBYLIB']
     insert_index = Gem.load_path_insert_index
 
@@ -954,16 +960,16 @@ class Gem::Specification
 
   def contains_requirable_file? file
     root = full_gem_path
+    ext = ext_dir
+
+    require_paths.any? do |lib|
+      base = ["#{root}/#{lib}/#{file}"]
+      base << "#{ext}/#{lib}/#{file}" unless extensions.empty?
 
-    require_paths.each do |lib|
-      base = "#{root}/#{lib}/#{file}"
-      Gem.suffixes.each do |suf|
-        path = "#{base}#{suf}"
-        return true if File.file? path
+      base.any? do |path|
+        Gem.suffixes.any? { |suf| File.file? "#{path}#{suf}" }
       end
     end
-
-    return false
   end
 
   ##
@@ -1273,6 +1279,23 @@ class Gem::Specification
   end
 
   ##
+  # Returns the full path to this spec's ext directory.
+  # eg: /usr/local/lib/ruby/1.8/exts/mygem-1.0
+
+  def ext_dir
+    @gem_dir ||= File.expand_path File.join(exts_dir, full_name)
+  end
+
+  ##
+  # Returns the full path to the exts directory containing this spec's
+  # gem directory. eg: /usr/local/lib/ruby/1.8/exts
+
+  def exts_dir
+    # TODO: this logic seems terribly broken, but tests fail if just base_dir
+    @exts_dir ||= File.join(loaded_from && base_dir || Gem.dir, "exts")
+  end
+
+  ##
   # Deprecated and ignored, defaults to true.
   #
   # Formerly used to indicate this gem was RDoc-capable.
-- 
1.7.7