Commit c6e89619794ed6307f9efb0b242a2cdb605e1dc3

Sam Lantinga 2022-10-19T08:05:47

Define _USE_MATH_DEFINES for Visual Studio (thanks @pionere!) Fixes https://github.com/libsdl-org/SDL/issues/3790

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diff --git a/include/SDL_stdinc.h b/include/SDL_stdinc.h
index c60d6ee..06233c0 100644
--- a/include/SDL_stdinc.h
+++ b/include/SDL_stdinc.h
@@ -80,9 +80,9 @@
 # include <ctype.h>
 #endif
 #ifdef HAVE_MATH_H
-# if defined(__WINRT__)
+# if defined(_MSC_VER)
 /* Defining _USE_MATH_DEFINES is required to get M_PI to be defined on
-   WinRT.  See http://msdn.microsoft.com/en-us/library/4hwaceh6.aspx
+   Visual Studio.  See http://msdn.microsoft.com/en-us/library/4hwaceh6.aspx
    for more information.
 */
 #  define _USE_MATH_DEFINES