check_cxx_source_compiles ( "
#include <malloc.h>
int main() { void * ptr = _aligned_malloc(1024, 32); }
" HAVE__ALIGNED_MALLOC )

CHECK_CXX_SOURCE_COMPILES ( "
#include <malloc.h>
int main() { void * ptr = _aligned_malloc(1024, 32); }
" HAVE__ALIGNED_MALLOC )

CHECK_SYMBOL_EXISTS(_aligned_malloc  malloc.h HAVE__ALIGNED_MALLOC)

check_symbol_exists(_aligned_malloc  malloc.h HAVE__ALIGNED_MALLOC)