From f3eb9dfafe54535a43a7ca29288a9e93d1f410ae Mon Sep 17 00:00:00 2001
From: Themaister <maister@archlinux.us>
Date: Sat, 11 Jan 2014 12:21:43 +0100
Subject: [PATCH] Make RPNG compilable outside RetroArch without source
 hacking.

---
 gfx/rpng/rpng.c | 8 ++++++++
 gfx/rpng/rpng.h | 5 ++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/gfx/rpng/rpng.c b/gfx/rpng/rpng.c
index 8fad551aa4..8389a9e32f 100644
--- a/gfx/rpng/rpng.c
+++ b/gfx/rpng/rpng.c
@@ -20,7 +20,15 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+
+#ifdef RARCH_INTERNAL
 #include "../../hash.h"
+#else
+static inline uint32_t crc32_calculate(const uint8_t *data, size_t length)
+{
+   return crc32(0, data, length);
+}
+#endif
 
 // Decodes a subset of PNG standard.
 // Does not handle much outside 24/32-bit RGB(A) images.
diff --git a/gfx/rpng/rpng.h b/gfx/rpng/rpng.h
index 0ee0a2f8e9..eeb4f725d4 100644
--- a/gfx/rpng/rpng.h
+++ b/gfx/rpng/rpng.h
@@ -17,7 +17,10 @@
 #define RPNG_H__
 
 #include <stdint.h>
-#include "../../boolean.h"
+
+#ifndef __cplusplus
+#include <stdbool.h>
+#endif
 
 #ifdef HAVE_CONFIG_H
 #include "../../config.h"