From 544aae4b4df6a237371114688cff12e6a1a550ac Mon Sep 17 00:00:00 2001
From: powturbo <powturbo@gmail.com>
Date: Wed, 24 Jun 2015 14:53:08 +0200
Subject: [PATCH] External functions

---
 ext/ext.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/ext/ext.c b/ext/ext.c
index f625d95..e224bb7 100644
--- a/ext/ext.c
+++ b/ext/ext.c
@@ -8,12 +8,18 @@
 #define _MASKEDVBYTE
   #endif
 
+// Optional external librrary. Activate also in makefile
 //#define _FORLIB // libfor 
 //#define _LZT    // LzTurbo not inluded
 //#define _BLOSC  // 
 //#define _LZ4
+//#define _ZLIB
 
 //-------------------------------------- External functions for comparison ------------------------------------------------------------------------
+  #ifdef _ZLIB
+#include <zlib.h>
+  #endif
+
 #include "vabyte.h"                                     // Standard Variable Byte
 
 #include "simdcomp/include/simdbitpacking.h"   			// SIMD FastPFor