cmake: get rid of the duplicated _USE_MATH_DEFINES

- define _USE_MATH_DEFINES in SDL_stdinc.h only
- define _USE_MATH_DEFINES if not defined already
This commit is contained in:
pionere 2022-11-22 10:48:23 +01:00 committed by Sam Lantinga
parent ed8637f437
commit 68b30d24e0
2 changed files with 1 additions and 2 deletions

View file

@ -80,7 +80,7 @@
# include <ctype.h>
#endif
#ifdef HAVE_MATH_H
# if defined(_MSC_VER)
# if defined(_MSC_VER) && !defined(_USE_MATH_DEFINES)
/* Defining _USE_MATH_DEFINES is required to get M_PI to be defined on
Visual Studio. See http://msdn.microsoft.com/en-us/library/4hwaceh6.aspx
for more information.