* tool/rbinstall.rb: fixed invalid options with latest rubygems.

https://github.com/rubygems/rubygems/issues/1013

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47606 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed Sep 17 11:09:21 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* tool/rbinstall.rb: fixed invalid options with latest rubygems.
+	  https://github.com/rubygems/rubygems/issues/1013
+
 Tue Sep 16 19:19:00 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* benchmark/bm_app_aobench.rb: update outdated links to the

tool/rbinstall.rb

@@ -714,7 +714,7 @@ install?(:ext, :comm, :gem) do
   directories = Gem.ensure_gem_subdirectories(gem_dir, :mode => $dir_mode)
   prepare "bundle gems", gem_dir, directories
   Dir.glob(srcdir+'/gems/*.gem').each do |gem|
-    Gem.install gem, :install_dir => with_destdir(Gem.dir), :domain => :local, :ignore_dependencies => true
+    Gem.install gem, Gem::Requirement.default, :install_dir => with_destdir(Gem.dir), :domain => :local, :ignore_dependencies => true
     gemname = Pathname(gem).basename
     puts "#{" "*30}#{gemname}"
   end