$OpenBSD: patch-src_imageio_format_CMakeLists_txt,v 1.1 2011/12/09 20:11:00 sthen Exp $
--- src/imageio/format/CMakeLists.txt.orig	Mon Nov  7 06:46:13 2011
+++ src/imageio/format/CMakeLists.txt	Fri Dec  9 17:30:44 2011
@@ -1,6 +1,7 @@
 cmake_minimum_required(VERSION 2.6)
 
 include_directories("${CMAKE_CURRENT_BINARY_DIR}/../../" "${CMAKE_CURRENT_SOURCE_DIR}")
+include_directories("${PNG_PNG_INCLUDE_DIR}")
 set(MODULES copy jpeg png ppm pfm tiff )
 
 add_library(copy MODULE "copy.c")
