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

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(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 305e7b55bd
commit 0d5467a6e9
1 changed files with 4 additions and 2 deletions
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2
CMakeLists.txt
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@ -1048,6 +1048,7 @@ 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
@ -1057,6 +1058,7 @@ 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)