- Only require JRE
- Support out of tree build from antlr repostitory
- Support Superproject build with ExternalAntlr4Cpp cmake module
ExternalAntlr4Cpp module has quickstart documentation for people to be
able to start working quicly with antlr4cpp from the base demo sources
see source file for example.
- Compiling with cmake brought up quite a number of new warnings. Some of them have to be disabled yet (dollar in identifier, four char constant, overloaded virtual). The others have all been fixed.
- Updated the README to include build instruction.