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

View File

@ -1047,7 +1047,8 @@ if(SDL_LIBC)
check_library_exists(m pow "" HAVE_LIBM)
if(HAVE_LIBM)
set(CMAKE_REQUIRED_LIBRARIES m)
foreach(_FN
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
lround lroundf pow powf round roundf scalbn scalbnf sin sinf sqrt
@ -1055,7 +1056,8 @@ if(SDL_LIBC)
string(TOUPPER ${_FN} _UPPER)
set(_HAVEVAR "HAVE_${_UPPER}")
check_symbol_exists("${_FN}" "math.h" ${_HAVEVAR})
endforeach()
endforeach()
if(HAVE_LIBM)
set(CMAKE_REQUIRED_LIBRARIES)
if(NOT VITA)
list(APPEND EXTRA_LIBS m)