You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: extconf.rb
    path of file: ./repos/ruby-packer/ruby/ext/win32ole
    
    the code of the file until where you have to start completion: # frozen_string_literal: false
#----------------------------------
# extconf.rb
# $Revision$
#----------------------------------
require 'mkmf'

case RUBY_PLATFORM
when /cygwin/
  inc = nil
  
    
def create_win32ole_makefile
  if have_library("ole32") and
     have_library("oleaut32") and
     have_library("uuid", "&CLSID_CMultiLanguage", "mlang.h") and
     have_library("user32") and
     have_library("kernel32") and
     have_library("advapi32") and
     have_header("windows.h")
    unless have_type("IMultiLanguage2", "mlang.h")
      have_type("IMultiLanguage", "mlang.h")
    end