nobu	2017-05-16 14:47:53 +0900 (Tue, 16 May 2017)

  New Revision: 58741

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=58741

  Log:
    fix tempfile leaks on Windows
    
    * lib/rubygems/ext/ext_conf_builder.rb (build): needs to close
      before unlink on Windows.

  Modified files:
    trunk/lib/rubygems/ext/ext_conf_builder.rb
Index: lib/rubygems/ext/ext_conf_builder.rb
===================================================================
--- lib/rubygems/ext/ext_conf_builder.rb	(revision 58740)
+++ lib/rubygems/ext/ext_conf_builder.rb	(revision 58741)
@@ -27,9 +27,7 @@ class Gem::Ext::ExtConfBuilder < Gem::Ex https://github.com/ruby/ruby/blob/trunk/lib/rubygems/ext/ext_conf_builder.rb#L27
     # TODO: Make this unconditional when rubygems no longer supports Ruby 1.9.x.
     tmp_dest = get_relative_path(tmp_dest) unless Gem.win_platform? && RUBY_VERSION <= '2.0'
 
-    t = nil
     Tempfile.open %w"siteconf .rb", "." do |siteconf|
-      t = siteconf
       siteconf.puts "require 'rbconfig'"
       siteconf.puts "dest_path = #{tmp_dest.dump}"
       %w[sitearchdir sitelibdir].each do |dir|
@@ -37,7 +35,7 @@ class Gem::Ext::ExtConfBuilder < Gem::Ex https://github.com/ruby/ruby/blob/trunk/lib/rubygems/ext/ext_conf_builder.rb#L35
         siteconf.puts "RbConfig::CONFIG['#{dir}'] = dest_path"
       end
 
-      siteconf.flush
+      siteconf.close
 
       destdir = ENV["DESTDIR"]
 
@@ -78,9 +76,9 @@ class Gem::Ext::ExtConfBuilder < Gem::Ex https://github.com/ruby/ruby/blob/trunk/lib/rubygems/ext/ext_conf_builder.rb#L76
         end
       ensure
         ENV["DESTDIR"] = destdir
+        siteconf.close!
       end
     end
-    t.unlink if t and t.path
 
     results
   ensure

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