From c2d8b0303db286a8d025844fbff2ee0685789977 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Fri, 21 Mar 2014 03:23:26 +0900
Subject: avoid Dir.exist? that is not available in Ruby1.8

---
 tasks/mrbgem_spec.rake | 2 +-
 tasks/mruby_build.rake | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tasks/mrbgem_spec.rake b/tasks/mrbgem_spec.rake
index 60d6672f0..e77ba9fbc 100644
--- a/tasks/mrbgem_spec.rake
+++ b/tasks/mrbgem_spec.rake
@@ -55,7 +55,7 @@ module MRuby
         MRuby::Gem.current = self
         @build.compilers.each do |compiler|
           compiler.include_paths << "#{dir}/include"
-        end if Dir.exist? "#{dir}/include"
+        end if File.exist? "#{dir}/include"
         MRuby::Build::COMMANDS.each do |command|
           instance_variable_set("@#{command}", @build.send(command).clone)
         end
diff --git a/tasks/mruby_build.rake b/tasks/mruby_build.rake
index 5fe0cbfce..e810f4b92 100644
--- a/tasks/mruby_build.rake
+++ b/tasks/mruby_build.rake
@@ -194,7 +194,7 @@ module MRuby
     end
 
     def run_bintest
-      targets = @gems.select { |v| Dir.exists? "#{v.dir}/bintest" }.map { |v| filename v.dir }
+      targets = @gems.select { |v| File.exist? "#{v.dir}/bintest" }.map { |v| filename v.dir }
       sh "ruby test/bintest.rb #{targets.join ' '}"
     end
 
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