From 6e10636d32a7b90f0636cfb9cda42ca68350a6ba Mon Sep 17 00:00:00 2001
From: eban <eban@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 15 Jun 2010 08:16:33 +0000
Subject: * ext/fiddle/extconf.rb: De Morgan's laws.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28329 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/fiddle/extconf.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ext')

diff --git a/ext/fiddle/extconf.rb b/ext/fiddle/extconf.rb
index e2e1ea6d16..c80a1f9a83 100644
--- a/ext/fiddle/extconf.rb
+++ b/ext/fiddle/extconf.rb
@@ -4,7 +4,7 @@ require 'mkmf'
 
 dir_config 'libffi'
 
-unless pkg_config("libffi") and have_header('ffi.h')
+unless pkg_config("libffi") or have_header('ffi.h')
   if have_header('ffi/ffi.h')
     $defs.push(format('-DUSE_HEADER_HACKS'))
   else
-- 
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