From 3ff50e5c1c8dd31182619057863bbdcda64f0373 Mon Sep 17 00:00:00 2001
From: Paul Brossier <piem@piem.org>
Date: Wed, 12 Aug 2015 18:01:26 +0200
Subject: [PATCH] src/aubio_priv.h: define PI if M_PI isnt

---
 src/aubio_priv.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/aubio_priv.h b/src/aubio_priv.h
index 197edf1b..b19520bd 100644
--- a/src/aubio_priv.h
+++ b/src/aubio_priv.h
@@ -128,8 +128,12 @@ typedef enum {
 #define AUBIO_QUIT(_s)               exit(_s)
 #define AUBIO_SPRINTF                sprintf
 
-/* Libc shortcuts */
+/* pi and 2*pi */
+#ifndef M_PI
+#define PI         (3.14159265358979323846)
+#else
 #define PI         (M_PI)
+#endif
 #define TWO_PI     (PI*2.)
 
 /* aliases to math.h functions */
-- 
2.11.0