cmake: fall back to -Wconversion if -Wfloat-conversion isn't available

... during checks for valid isinf/isinff/isnan/isnanf macros.
This commit is contained in:
Ozkan Sezer
2025-08-27 21:33:55 +03:00
committed by Özkan Sezer
parent c50e4b22ab
commit 98bed62259

View File

@@ -1085,8 +1085,10 @@ if(SDL_LIBC)
cmake_push_check_state() cmake_push_check_state()
if(MSVC) if(MSVC)
string(APPEND CMAKE_REQUIRED_FLAGS " -we4244 -WX") # 'conversion' conversion from 'type1' to 'type2', possible loss of data string(APPEND CMAKE_REQUIRED_FLAGS " -we4244 -WX") # 'conversion' conversion from 'type1' to 'type2', possible loss of data
else() elseif(HAVE_GCC_WFLOAT_CONVERSION)
string(APPEND CMAKE_REQUIRED_FLAGS " -Wfloat-conversion -Werror") string(APPEND CMAKE_REQUIRED_FLAGS " -Wfloat-conversion -Werror")
else()
string(APPEND CMAKE_REQUIRED_FLAGS " -Wconversion -Werror")
endif() endif()
foreach(math_fn isinf isnan) foreach(math_fn isinf isnan)
string(TOUPPER "${math_fn}" MATH_FN) string(TOUPPER "${math_fn}" MATH_FN)