[ruby-cvs:52235] naruse:r45090 (ruby_2_1): merge revision(s) 44925: [Backport #9492]

[naruse at ruby-lang.org]

naruse	2014-02-22 08:32:34 +0900 (Sat, 22 Feb 2014)

  New Revision: 45090

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=45090

  Log:
    merge revision(s) 44925: [Backport #9492]
    
    * configure.in: check if pthread_setname_np is available.
    
    * thread_pthread.c: pthread_setname_np is not available on old
      Darwins.  [ruby-core:60524] [Bug #9492]

  Modified directories:
    branches/ruby_2_1/
  Modified files:
    branches/ruby_2_1/ChangeLog
    branches/ruby_2_1/configure.in
    branches/ruby_2_1/thread_pthread.c
    branches/ruby_2_1/version.h