From bcf61f58d518308658de1c208703bfdd7f79d1c7 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 26 Oct 2008 09:11:40 +0000
Subject: * ext/io/wait/{extconf.rb,wait.c}: needs sys/ioctl.h for fcntl on  
 cygwin.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19947 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/io/wait/extconf.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'ext/io/wait/extconf.rb')

diff --git a/ext/io/wait/extconf.rb b/ext/io/wait/extconf.rb
index 1a0edbd846..eed3543124 100644
--- a/ext/io/wait/extconf.rb
+++ b/ext/io/wait/extconf.rb
@@ -2,8 +2,9 @@ require 'mkmf'
 target = "io/wait"
 
 unless macro_defined?("DOSISH", "#include <ruby.h>")
+  have_header(ioctl_h = "sys/ioctl.h") or ioctl_h = nil
   fionread = %w[sys/ioctl.h sys/filio.h sys/socket.h].find do |h|
-    have_macro("FIONREAD", h)
+    have_macro("FIONREAD", [h, ioctl_h].compact)
   end
   if fionread
     $defs << "-DFIONREAD_HEADER=\"<#{fionread}>\""
-- 
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