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 5ea06f487d
commit ca541789ea
1 changed files with 4 additions and 2 deletions

View File

@ -1041,6 +1041,7 @@ if(SDL_LIBC)
if(HAVE_LIBM)
cmake_push_check_state()
list(APPEND 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
@ -1051,6 +1052,7 @@ if(SDL_LIBC)
check_symbol_exists("${_FN}" "math.h" ${LIBC_HASVAR})
set(HAVE_${_UPPER} ${${LIBC_HASVAR}})
endforeach()
if(HAVE_LIBM)
cmake_pop_check_state()
if(NOT VITA)
list(APPEND EXTRA_LIBS m)