Merge remote branch 'mainstream/master'

Conflicts:
	activesupport/lib/active_support/core_ext/hash/conversions.rb

1 files changed, 6 insertions, 3 deletions

diff --git a/activesupport/lib/active_support/vendor.rb b/activesupport/lib/active_support/vendor.rb
index 9f464c8246..eb5080888c 100644
--- a/activesupport/lib/active_support/vendor.rb
+++ b/activesupport/lib/active_support/vendor.rb
@@ -1,16 +1,19 @@
+require 'pathname'
+
 def ActiveSupport.requirable?(file)
   $LOAD_PATH.any? { |p| Dir.glob("#{p}/#{file}.*").any? }
 end
 
-[%w(builder 2.1.2), %w(i18n 0.1.3), %w(memcache-client 1.7.5), %w(tzinfo 0.3.13)].each do |lib, version|
+[%w(builder 2.1.2), %w(i18n 0.1.3), %w(memcache-client 1.7.5), %w(tzinfo 0.3.15)].each do |lib, version|
   # If the lib is not already requirable
   unless ActiveSupport.requirable? lib
     # Try to activate a gem ~> satisfying the requested version first.
     begin
-      gem lib, "~> #{version}"
+      gem lib, ">= #{version}"
       # Use the vendored lib if the gem's missing or we aren't using RubyGems.
     rescue LoadError, NoMethodError
-      $LOAD_PATH.unshift File.expand_path("#{File.dirname(__FILE__)}/vendor/#{lib}-#{version}/lib")
+      # There could be symlinks
+      $LOAD_PATH.unshift Pathname.new(__FILE__).dirname.join("vendor/#{lib}-#{version}/lib").realpath.to_s
     end
   end
 end