From d13c40e09d38dc2b9c65fdc9272f24aef7718c1a Mon Sep 17 00:00:00 2001
From: Geoffrey McRae <geoff@hostfission.com>
Date: Sat, 3 Oct 2026 10:09:12 +1000
Subject: [PATCH] [client] windows: enable CRT math constants

---
 client/CMakeLists.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/client/CMakeLists.txt b/client/CMakeLists.txt
index c08cc354..b78fbf37 100644
--- a/client/CMakeLists.txt
+++ b/client/CMakeLists.txt
@@ -161,6 +161,8 @@ endif()
 add_feature_info(ENABLE_USB_AUDIO ENABLE_USB_AUDIO "USB audio support.")
 
 if(MSVC)
+  add_compile_definitions(_USE_MATH_DEFINES)
+
   foreach(LG_CLIENT_COMPILE_OPTION
       /W4
       /WX