- Use original upstream tarball, prebuilt jars are anyway removed in %%prep
- Don't overuse macros
- Added explanation about headers in the C++ subpackage
- Remove unnecessary Makefile and Makefile.in from %%docs, permissions
fixed
- Added doxygen docs for C++ as a -C++-doc subpackage
- antlr-config moved into the C++ subpackage
- Removed %%post and %%postun javadoc relicts from JPackage