* Adding compiler and linker options for hardening check
* Update config.m4
* Adding fstack protector to compiler options
* Detect platform in config.m4
* Removing the newly added linker flag, because its breaking the PDO_SQLSRV load. Creating a backlog item
* Update config.m4
* Update config.m4
* Testing with -O3
* Adding optimization flag to windows config files
* Update config.w32