* Fix sgx porting issues: incorrect compilation flags, porting function impl, document, etc. * Update bh_platform.c Add check for function bh_vprintf_sgx: check whether print_function is not NULL.
* Fix sgx porting issues: incorrect compilation flags, porting function impl, document, etc. * Update bh_platform.c Add check for function bh_vprintf_sgx: check whether print_function is not NULL.