lib/mkmf/lite.rb in mkmf-lite-0.4.0 vs lib/mkmf/lite.rb in mkmf-lite-0.4.1

@@ -1,15 +1,14 @@
 require 'erb'
 require 'rbconfig'
 require 'tmpdir'
-require 'ptools'
 require 'open3'
 
 module Mkmf
   module Lite
     # The version of the mkmf-lite library
-    MKMF_LITE_VERSION = '0.4.0'.freeze
+    MKMF_LITE_VERSION = '0.4.1'.freeze
 
     private
 
     def cpp_command
       command = RbConfig::CONFIG['CC'] || RbConfig::CONFIG['CPP'] || File.which('cc') || File.which('gcc') || File.which('cl')
@@ -169,12 +168,12 @@
           command  = cpp_command + ' '
           command += cpp_out_file + ' '
           command += cpp_source_file
 
           # Temporarily close these
-          $stderr.reopen(File.null)
-          $stdout.reopen(File.null)
+          $stderr.reopen(IO::NULL)
+          $stdout.reopen(IO::NULL)
 
           if system(command)
             $stdout.reopen(stdout_orig) # We need this back for open3 to work.
 
             conftest = File::ALT_SEPARATOR ? "conftest.exe" : "./conftest.exe"
@@ -221,11 +220,11 @@
           end
 
           command += cpp_out_file + ' '
           command += cpp_source_file
 
-          $stderr.reopen(File.null)
-          $stdout.reopen(File.null)
+          $stderr.reopen(IO::NULL)
+          $stdout.reopen(IO::NULL)
           boolean = system(command)
         }
       ensure
         File.delete(cpp_source_file) if File.exists?(cpp_source_file)
         File.delete(cpp_out_file) if File.exists?(cpp_out_file)