From 0d5467a6e96985a8c68961e86df59da15a76de90 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 ef6e20db6..e539ffb6d 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1048,7 +1048,8 @@ 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 @@ -1056,7 +1057,8 @@ 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)