https://github.com/DigitalMars/dmpp https://github.com/DigitalMars/dmpp It's Boost licensed. Open sourced. No need for anyone else to struggle to implement a

https://github.com/DigitalMars/dmpp https://github.com/DigitalMars/dmpp It's Boost licensed. Open sourced. No need for anyone else to struggle to implement a preprocessor.