From 286fe4db8c9d1a1fe2ac3058d96ef20a5d53e700 Mon Sep 17 00:00:00 2001
From: Gregory Hainaut <gregory.hainaut@gmail.com>
Date: Mon, 11 May 2015 11:32:13 +0200
Subject: [PATCH] cmake/gsdx: check png++ is installed to support png image

Otherwise fallback to bmp file
---
 cmake/SearchForStuff.cmake  | 1 +
 plugins/GSdx/CMakeLists.txt | 4 ++++
 plugins/GSdx/config.h       | 2 +-
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/cmake/SearchForStuff.cmake b/cmake/SearchForStuff.cmake
index 2dd786e551..349edf2b96 100644
--- a/cmake/SearchForStuff.cmake
+++ b/cmake/SearchForStuff.cmake
@@ -72,6 +72,7 @@ endif()
 check_lib(EGL EGL EGL/egl.h)
 check_lib(PORTAUDIO portaudio portaudio.h pa_linux_alsa.h)
 check_lib(SOUNDTOUCH SoundTouch soundtouch/SoundTouch.h)
+check_lib(PNGPP FALSE png++/png.hpp)
 
 if(SDL2_API)
     check_lib(SDL2 SDL2 SDL.h PATH_SUFFIXES SDL2)
diff --git a/plugins/GSdx/CMakeLists.txt b/plugins/GSdx/CMakeLists.txt
index a646d2ad6c..7c815b6c3b 100644
--- a/plugins/GSdx/CMakeLists.txt
+++ b/plugins/GSdx/CMakeLists.txt
@@ -38,6 +38,10 @@ if(XDG_STD)
     set(GSdxFinalFlags ${GSdxFinalFlags} -DXDG_STD)
 endif()
 
+if(PNGPP_FOUND)
+    set(GSdxFinalFlags ${GSdxFinalFlags} -DPNGPP_SUPPORTED)
+endif()
+
 #Clang doesn't support a few common flags that GCC does.
 if(NOT USE_CLANG)
     set(GSdxFinalFlags ${GSdxFinalFlags} -fabi-version=6)
diff --git a/plugins/GSdx/config.h b/plugins/GSdx/config.h
index 26efc05486..2e8fe8be9f 100644
--- a/plugins/GSdx/config.h
+++ b/plugins/GSdx/config.h
@@ -49,7 +49,7 @@
 //#define ENABLE_OPENCL
 #endif
 
-#if defined(ENABLE_OGL_DEBUG) && defined(__linux__)
+#if defined(ENABLE_OGL_DEBUG) && defined(__linux__) && defined(PNGPP_SUPPORTED)
 // Allow to dump texture as PNG (require libpng++). It reduces the size of the dump
 // and alpha is well supported (on linux)
 #define ENABLE_OGL_PNG