Rebuilding Debian with Java 9

It's about three months until Java 9 is supposed to be released . Debian contains around 1,200 packages that build against Java 8. I have been trying to build them with Java 9. It's not been going well. The first attempt found an 87% failure rate, the majority of which were either: toolchain issues (which are for Debian to fix) (e.g. maven/guice needing new cglib ). -source and -target being old,…