* pack.c (swap32): Don't redefine it if it is already defined.
  Bionic defines it.
  (swap64): Ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40594 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-05-07

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/socket/extconf.rb: Set close_fds false for Cygwin.
  Cygwin doesn't support fd passing.
  This enables socket extension library cross-compilable by default.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40596 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/socket/socket.c (socket_s_ip_address_list): Cast EXTRA_SPACE as
  int.  This suppress a warning.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40597 b2dd03c8-39d4-4d8f-98ff-823fe69b080e