From 6a19e8f182183ad88df91d4a46e418fb4d42f9bd Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Fri, 15 May 2015 10:24:10 +0200
Subject: Make sure that M_PI is defined.

---
 plugingui/knob.cc | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'plugingui')

diff --git a/plugingui/knob.cc b/plugingui/knob.cc
index ca861b5..4cac180 100644
--- a/plugingui/knob.cc
+++ b/plugingui/knob.cc
@@ -30,6 +30,11 @@
 
 #include <hugin.hpp>
 #include <stdio.h>
+
+// M_PI is not defined in math.h if __STRICT_ANSI__ is defined.
+#ifdef __STRICT_ANSI__
+#undef __STRICT_ANSI__
+#endif
 #include <math.h>
 
 GUI::Knob::Knob(Widget *parent)
-- 
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