From 96432965c45e9be00a49ba2a685f9875005f5bb7 Mon Sep 17 00:00:00 2001
From: Concedo <39025047+LostRuins@users.noreply.github.com>
Date: Tue, 14 Jan 2025 00:35:04 +0800
Subject: [PATCH] add m_pi define if not found

---
 otherarch/tts_adapter.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/otherarch/tts_adapter.cpp b/otherarch/tts_adapter.cpp
index 92fc3ce79..a9eddd77b 100644
--- a/otherarch/tts_adapter.cpp
+++ b/otherarch/tts_adapter.cpp
@@ -21,6 +21,10 @@
 #pragma warning(disable: 4244 4267) // possible loss of data
 #endif
 
+#ifndef M_PI
+#define M_PI		3.14159265358979323846
+#endif
+
 struct wav_header {
     char riff[4] = {'R', 'I', 'F', 'F'};
     uint32_t chunk_size;