From d0bad014bb2017a010db0dbdc1a633d7500b4b90 Mon Sep 17 00:00:00 2001
From: Tsukasa Sugiura <t.sugiura0204@gmail.com>
Date: Wed, 10 Jun 2015 18:02:29 +0900
Subject: [PATCH] Fix Link Library

Fail build when enable the WITH_PNG option, because libpng required
zlib.
Resolved this issue by to change the variable PNG_LIBRARIES that
including zlib.
---
 io/CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/io/CMakeLists.txt b/io/CMakeLists.txt
index f9a7f79cb96..870d91b9d8c 100644
--- a/io/CMakeLists.txt
+++ b/io/CMakeLists.txt
@@ -333,7 +333,7 @@ if(build)
     link_directories(${VTK_LINK_DIRECTORIES})
     target_link_libraries("${LIB_NAME}" pcl_common pcl_io_ply ${VTK_LIBRARIES} )
     if(PNG_FOUND)
-      target_link_libraries("${LIB_NAME}" ${PNG_LIBRARY})
+      target_link_libraries("${LIB_NAME}" ${PNG_LIBRARIES})
     endif(PNG_FOUND)
 
     if(LIBUSB_1_FOUND)