vendor/rails/actionmailer/lib/action_mailer/vendor/tmail-1.2.3/tmail/require_arch.rb

   1 #:stopdoc:
   2 require 'rbconfig'
   3
   4 # Attempts to require anative extension.
   5 # Falls back to pure-ruby version, if it fails.
   6 #
   7 # This uses Config::CONFIG['arch'] from rbconfig.
   8
   9 def require_arch(fname)
  10   arch = Config::CONFIG['arch']
  11   begin
  12     path = File.join("tmail", arch, fname)
  13     require path
  14   rescue LoadError => e
  15     # try pre-built Windows binaries
  16     if arch =~ /mswin/
  17       require File.join("tmail", 'mswin32', fname)
  18     else
  19       raise e
  20     end
  21   end
  22 end
  23
  24
  25 # def require_arch(fname)
  26 #   dext = Config::CONFIG['DLEXT']
  27 #   begin
  28 #     if File.extname(fname) == dext
  29 #       path = fname
  30 #     else
  31 #       path = File.join("tmail","#{fname}.#{dext}")
  32 #     end
  33 #     require path
  34 #   rescue LoadError => e
  35 #     begin
  36 #       arch = Config::CONFIG['arch']
  37 #       path = File.join("tmail", arch, "#{fname}.#{dext}")
  38 #       require path
  39 #     rescue LoadError
  40 #       case path
  41 #       when /i686/
  42 #         path.sub!('i686', 'i586')
  43 #       when /i586/
  44 #         path.sub!('i586', 'i486')
  45 #       when /i486/
  46 #         path.sub!('i486', 'i386')
  47 #       else
  48 #         begin
  49 #           require fname + '.rb'
  50 #         rescue LoadError
  51 #           raise e
  52 #         end
  53 #       end
  54 #       retry
  55 #     end
  56 #   end
  57 # end
  58 #:startdoc: