From 7543bb8c43db347b5024c9bb28c9cd13d03e3bab Mon Sep 17 00:00:00 2001
From: samuelyhsu <samuel.hsu@qq.com>
Date: Tue, 16 Dec 2025 22:42:49 +0800
Subject: [PATCH] fix compilation errors in some compilers by adding the
 definition of M-PI

---
 CMakeLists.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6e5f8fe1..5465683e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,8 +6,9 @@ set(CMAKE_CXX_STANDARD 14)
 set(EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin)
 set(LIBRARY_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/lib)
 
+add_compile_definitions(M_PI=3.14159265358979323846)
+
 if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
-    add_definitions( -D_USE_MATH_DEFINES=True)
     add_compile_options("$<$<C_COMPILER_ID:MSVC>:/utf-8>")
     add_compile_options("$<$<CXX_COMPILER_ID:MSVC>:/utf-8>")
 else()