From ca3fec716203db814e297894c09e1daa8fbbef25 Mon Sep 17 00:00:00 2001
From: Just van Rossum <just@letterror.com>
Date: Mon, 3 Feb 2003 11:43:54 +0000
Subject: [PATCH] patch #664131, fix config command on OSX and Linux

---
 Lib/distutils/command/config.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Lib/distutils/command/config.py b/Lib/distutils/command/config.py
index b6f5ad1dc5a..3bd537a6e80 100644
--- a/Lib/distutils/command/config.py
+++ b/Lib/distutils/command/config.py
@@ -151,7 +151,8 @@ def _link (self, body,
                                       library_dirs=library_dirs,
                                       target_lang=lang)
 
-        prog = prog + self.compiler.exe_extension
+        if self.compiler.exe_extension is not None:
+            prog = prog + self.compiler.exe_extension
         self.temp_files.append(prog)
 
         return (src, obj, prog)