And here are the threads for Joda projects, which also need optional dependencies: http://mail.openjdk.java.net/pipermail/jigsaw-dev/2015-December/005462.html http://mail.openjdk.java.net/pipermail/jigsaw-dev/2015-December/005638.html
Note, I do not consider command line flags to be acceptable as a solution. Stephen On 17 December 2015 at 09:41, Stephane Epardaud <s...@epardaud.fr> wrote: > As I already mentioned, we also have the need for this in Ceylon, for > the same reasons. Dependencies are required at compile-time but optional > at run-time, based on detection: if it's there fine, if not then no problem.