lib/rubyserial.rb in rubyserial-0.3.0 vs lib/rubyserial.rb in rubyserial-0.4.0

@@ -1,20 +1,21 @@
 # Copyright (c) 2014-2016 The Hybrid Group
 
 require 'rbconfig'
 require 'ffi'
-include RbConfig
 
 module RubySerial
+  ON_WINDOWS = RbConfig::CONFIG['host_os'] =~ /mswin|windows|mingw/i
+  ON_LINUX = RbConfig::CONFIG['host_os'] =~ /linux/i
   class Exception < Exception
   end
 end
 
-if CONFIG['host_os'] =~ /mswin|windows|mingw/i
+if RubySerial::ON_WINDOWS
   require 'rubyserial/windows_constants'
   require 'rubyserial/windows'
 else
-  if CONFIG['host_os'] =~ /linux/i
+  if RubySerial::ON_LINUX
     require 'rubyserial/linux_constants'
   else
     require 'rubyserial/osx_constants'
   end
   require 'rubyserial/posix'