cmake HAVE_CLONEFILE examples

NauEngine/NauEditorPublic editor/external/libzipconfig/CMakeLists.txt :109 

check_function_exists(clonefile HAVE_CLONEFILE)

nih-at/libzip CMakeLists.txt :120 

check_function_exists(clonefile HAVE_CLONEFILE)

flyinghead/flycast core/deps/libzip/CMakeLists.txt :109 

check_function_exists(clonefile HAVE_CLONEFILE)