From bb2c65be1cddae6d13d5cc0c5c5b9e821e05897d Mon Sep 17 00:00:00 2001
From: Ingo <heckflosse@i-weyrich.de>
Date: Fri, 27 Feb 2015 14:07:01 +0100
Subject: [PATCH] Abort compile when -ffast-math flag is set, Issue 2698

---
 rtgui/main.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/rtgui/main.cc b/rtgui/main.cc
index f268139f8..975d1ef32 100644
--- a/rtgui/main.cc
+++ b/rtgui/main.cc
@@ -22,6 +22,12 @@
 // newer (non customized) versions of this file go to raw.cc_new
 
 // This file is for your program, I won't touch it again!
+
+#ifdef __GNUC__
+	#if defined(__FAST_MATH__)
+		#error Using the -ffast-math CFLAG is known to lead to problems. Disable it to compile RawTherapee.
+	#endif
+#endif
 
 #include "config.h"
 #include <gtkmm.h>