You misspelled defined
:
#if definied(_WIN32) || definied(_WIN64) || definied(__WIN32__)
#elif definied(__linux) || definied(__linux__) || definied(linux)
should be:
#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__)
#elif defined(__linux) || defined(__linux__) || defined(linux)
solved missing binary operator before token “(”