cmake AWS_HAS_ALIGNED_ALLOC examples

aws/aws-sdk-cpp src/aws-cpp-sdk-core/CMakeLists.txt :514

check_cxx_source_compiles("
        #include <stdlib.h>
        int main() {
            void* ptr = aligned_alloc(24, 64);
            return 0;
        }" AWS_HAS_ALIGNED_ALLOC)

aws/aws-sdk-cpp src/aws-cpp-sdk-core/CMakeLists.txt :553

target_compile_definitions(${PROJECT_NAME} PRIVATE "AWS_HAS_ALIGNED_ALLOC")