From 30b475410e1d0ed5661c31051fabc57cd8cb7370 Mon Sep 17 00:00:00 2001
From: Thomas Goyne <plorkyeran@aegisub.org>
Date: Wed, 11 Dec 2013 19:36:29 -0800
Subject: [PATCH] Fix compilation with boost 1.52. Closes #1670.

---
 aegisub/src/video_provider_cache.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/aegisub/src/video_provider_cache.cpp b/aegisub/src/video_provider_cache.cpp
index add2f441f..14b8ac5e0 100644
--- a/aegisub/src/video_provider_cache.cpp
+++ b/aegisub/src/video_provider_cache.cpp
@@ -22,6 +22,18 @@
 #include "video_frame.h"
 
 #include <algorithm>
+#include <boost/version.hpp>
+
+#if BOOST_VERSION <= 105200
+// Compilation fails without this with boost 1.52. I have no idea why.
+static bool operator==(VideoFrame const& a, VideoFrame const& b) {
+	return a.width == b.width
+		&& a.height == b.height
+		&& a.pitch == b.pitch
+		&& a.flipped == b.flipped
+		&& a.data == b.data;
+}
+#endif
 
 /// A video frame and its frame number
 struct CachedFrame : public VideoFrame {