From 8e31fc4130886603681e8755b178c288c21dff16 Mon Sep 17 00:00:00 2001 From: Ozkan Sezer Date: Sat, 7 Jan 2023 14:25:04 +0300 Subject: [PATCH] cmake: check for math library functions even in the absence of libm (Reference issue: https://github.com/libsdl-org/SDL/issues/7011) --- CMakeLists.txt | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index 5942f4e81..7063ef9c8 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -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)