From 6d7645705a81a26bf2c3a6283662dd1d4c03fb50 Mon Sep 17 00:00:00 2001
From: Willem Toorop <willem@nlnetlabs.nl>
Date: Sun, 10 Jan 2016 12:28:30 +0100
Subject: [PATCH] Increase FD_SETSIZE on windows

---
 configure.ac | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/configure.ac b/configure.ac
index 8ad29b90..422db4b9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1019,6 +1019,14 @@ AC_SUBST(C99COMPATFLAGS)
 
 AH_BOTTOM([
 
+#ifdef GETDNS_ON_WINDOWS
+/* On windows it is allowed to increase the FD_SETSIZE
+ * (and nescessary to make our custom eventloop work)
+ * See: https://support.microsoft.com/en-us/kb/111855
+ */
+#define FD_SETSIZE 1024
+#endif
+
 #include <stdint.h>
 #include <stdio.h>
 #include <unistd.h>