ext/thread: remove

* ext/thread: removed dummy extension library.  thread_sync.c
  provides "thread.rb" already.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54827 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sat Apr 30 11:56:15 2016  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/thread: removed dummy extension library.  thread_sync.c
+	  provides "thread.rb" already.
+
 Sat Apr 30 11:53:48 2016  Tanaka Akira  <akr@fsij.org>
 
 	* numeric.c (int_or): {Fixnum,Bignum}#| is unified into

NEWS

@@ -94,6 +94,12 @@ with all sufficient information, see the ChangeLog file or Redmine
 
   * DateTime#to_time now preserves timezone.  [Bug #12189]
 
+* thread
+
+  * the extension library is removed.  Till 2.0 it was a pure ruby script
+    "thread.rb", which has precedence over "thread.so", and has been provided
+    in $LOADED_FEATURES since 2.1.
+
 === C API updates
 
 * ruby_show_version() will no longer exits the process, if

doc/maintainers.rdoc

@@ -248,8 +248,6 @@ Zachary Scott (zzak)
   _unmaintained_
 [ext/syslog]
   Akinori MUSHA (knu)
-[ext/thread]
-  _unmaintained_
 [ext/tk]
   Hidetoshi NAGAI (nagai)
 [ext/win32]

ext/Setup

@@ -40,7 +40,6 @@
 #stringio
 #strscan
 #syslog
-#thread
 #tk
 #tk/tkutil
 #win32

ext/thread/extconf.rb

@@ -1,4 +0,0 @@
-# frozen_string_literal: false
-require 'mkmf'
-
-create_makefile('thread')

ext/thread/thread.c

@@ -1,6 +0,0 @@
-#include <ruby.h>
-
-void
-Init_thread(void)
-{
-}