From 1a5ca4e40787175bfcbf296c075f20215d858a35 Mon Sep 17 00:00:00 2001
From: Dutchman101 <mcak105@outlook.com>
Date: Sat, 22 Jun 2024 02:58:26 +0200
Subject: [PATCH] Resolve build error C2065: 'M_PI': undeclared identifier`

See https://github.com/xiph/speexdsp/issues/49 for details
---
 libspeexdsp/testresample2.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libspeexdsp/testresample2.c b/libspeexdsp/testresample2.c
index 99a830da..6524162d 100644
--- a/libspeexdsp/testresample2.c
+++ b/libspeexdsp/testresample2.c
@@ -30,13 +30,15 @@
    POSSIBILITY OF SUCH DAMAGE.
 */
 
+#define _USE_MATH_DEFINES
+#include <math.h>
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include "speex/speex_resampler.h"
 #include <stdio.h>
-#include <math.h>
 #include <stdlib.h>
 
 #define PERIOD 32