From 1f6efefdf66258f74589bb05e9870e941ef802e2 Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@audacityteam.org>
Date: Thu, 18 Feb 2021 06:54:24 -0500
Subject: [PATCH] Fix math constants on Windows, such as M_PI, and min and max

---
 cmake-proxies/cmake-modules/AudacityFunctions.cmake | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cmake-proxies/cmake-modules/AudacityFunctions.cmake b/cmake-proxies/cmake-modules/AudacityFunctions.cmake
index 0d45cf875..38c8771cf 100644
--- a/cmake-proxies/cmake-modules/AudacityFunctions.cmake
+++ b/cmake-proxies/cmake-modules/AudacityFunctions.cmake
@@ -214,7 +214,9 @@ function( audacity_append_common_compiler_options var )
          $<$<CXX_COMPILER_ID:AppleClang,Clang>:-Werror=dangling-else>
          $<$<CXX_COMPILER_ID:AppleClang,Clang>:-Werror=return-stack-address>
 	 # Yes, CMake will change -D to /D as needed for Windows:
-	 -DWXINTL_NO_GETTEXT_MACRO
+         -DWXINTL_NO_GETTEXT_MACRO
+         $<$<CXX_COMPILER_ID:MSVC>:-D_USE_MATH_DEFINES>
+         $<$<CXX_COMPILER_ID:MSVC>:-DNOMINMAX>
    )
    set( ${var} "${${var}}" PARENT_SCOPE )
 endfunction()