From 060ac5ca43e80c474a87176577f1139976d44a7b Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 7 Feb 2009 02:44:07 +0000
Subject: * lib/mkmf.rb (have_header): needs dependent headers if trying to  
 compile.

* ext/socket/extconf.rb: net/if.h depends on other headers.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@22103 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/mkmf.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 2cbbb245a..2a49b6fc8 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -808,9 +808,9 @@ end
 # For example, if have_header('foo.h') returned true, then the HAVE_FOO_H
 # preprocessor macro would be passed to the compiler.
 #
-def have_header(header, &b)
+def have_header(header, preheaders = nil, &b)
   checking_for header do
-    if try_header(cpp_include(header), &b)
+    if try_header(cpp_include(preheaders)+cpp_include(header), &b)
       $defs.push(format("-DHAVE_%s", header.tr("a-z./\055", "A-Z___")))
       true
     else
-- 
cgit