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
2022-11-22 10:48:23 +01:00
parent ed8637f437
commit 68b30d24e0
2 changed files with 1 additions and 2 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -999,7 +999,6 @@ if(SDL_LIBC)
    endforeach()
    set(HAVE_ALLOCA 1)
    check_symbol_exists(M_PI math.h HAVE_M_PI)
-    target_compile_definitions(sdl-build-options INTERFACE "-D_USE_MATH_DEFINES") # needed for M_PI
    set(STDC_HEADERS 1)
  else()
    set(HAVE_LIBC TRUE)