From c7c1384e60a9f3dcc65b3516cdde6dcb7be17f60 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 21 Aug 2002 08:30:09 +0000
Subject: * eval.c (rb_thread_cleanup): should not modify the global   variable
 curr_thread.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2731 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/extmk.rb.in | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'ext')

diff --git a/ext/extmk.rb.in b/ext/extmk.rb.in
index a2f1a2cbf6..cebb115214 100644
--- a/ext/extmk.rb.in
+++ b/ext/extmk.rb.in
@@ -295,6 +295,25 @@ SRC
   return true
 end
 
+def find_executable(bin, path = nil)
+  if path.nil?
+    path = ENV['PATH'].split(Config::CONFIG['PATH_SEPARATOR'])
+  else
+    path = path.split(Config::CONFIG['PATH_SEPARATOR'])
+  end
+ 
+  bin += "@EXEEXT@"
+  for dir in path
+    file = File.join(dir, bin)
+    if FileTest.executable?(file)
+      return file
+    else
+      next
+    end
+  end
+  return nil
+end
+
 def arg_config(config, default=nil)
   unless defined? $configure_args
     $configure_args = {}
-- 
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