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cmake: check for math library functions even in the absence of libm 

(Reference issue: https://github.com/libsdl-org/SDL/issues/7011)
This commit is contained in:
Ozkan Sezer 2023-01-07 14:25:04 +03:00
parent 75834df37c
commit 8e31fc4130
1 changed files with 4 additions and 2 deletions
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2
CMakeLists.txt
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@ -1047,6 +1047,7 @@ if(SDL_LIBC)
check_library_exists(m pow "" HAVE_LIBM)
if(HAVE_LIBM)
set(CMAKE_REQUIRED_LIBRARIES m)
endif()
foreach(_FN
atan atan2 atanf atan2f ceil ceilf copysign copysignf cos cosf
exp expf fabs fabsf floor floorf fmod fmodf log logf log10 log10f
@ -1056,6 +1057,7 @@ if(SDL_LIBC)
set(_HAVEVAR "HAVE_${_UPPER}")
check_symbol_exists("${_FN}" "math.h" ${_HAVEVAR})
endforeach()
if(HAVE_LIBM)
set(CMAKE_REQUIRED_LIBRARIES)
if(NOT VITA)
list(APPEND EXTRA_LIBS m)