From 1c37f63cfee27fb0eb57f69c5ed6b2e415e31e0f Mon Sep 17 00:00:00 2001
From: Luis Michaelis <me@lmichaelis.de>
Date: Tue, 20 Aug 2024 17:40:45 +0200
Subject: [PATCH] [#6] fix(build): define `M_PI` manually if `<math.h>` does
 not define it

---
 src/Performance.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Performance.c b/src/Performance.c
index e39c221..02244c9 100644
--- a/src/Performance.c
+++ b/src/Performance.c
@@ -4,6 +4,10 @@
 #include <math.h>
 #include <stdlib.h>
 
+#ifndef M_PI
+	#define M_PI 3.14159
+#endif
+
 enum {
 	DmInt_DEFAULT_TEMPO = 100,
 	DmInt_DEFAULT_SAMPLE_RATE = 44100,