From 023edc13ebe71c76cf4affbd9081994c0cc5f301 Mon Sep 17 00:00:00 2001
From: Dane Springmeyer <dane@dbsgeo.com>
Date: Tue, 4 Feb 2014 11:32:43 -0800
Subject: [PATCH] don't force linking to zib

---
 configure | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index b669e2295..1ed938f81 100755
--- a/configure
+++ b/configure
@@ -92,7 +92,7 @@ def configure_png(o):
         libpath = os.path.join(options.png,'lib')
       if libpath and os.path.exists(libpath):
           o['variables']['png_libraries'] = ['-L'+libpath]
-      o['variables']['png_libraries'] += ['-lpng','-lz']
+      o['variables']['png_libraries'] += ['-lpng']
       incpath = None
       if options.png_includes:
         incpath = options.png_includes