> Looks like you're not neither OpenJDK or Java SE, but some other Java
> implementation. Is that correct?  Looks like Eclipse-style error message, IIRC.
> 
> Either that, or or you're using Java 5.
> If so you may need to --with-java-source=5 as an extra configure flag.
> However, I haven't tested that in a while.

david@capac:/usr/local/src/kawa/svn 19 $ java -version
java version "1.7.0_75"
OpenJDK Runtime Environment (IcedTea 2.5.4) (7u75-2.5.4-2)
OpenJDK 64-Bit Server VM (build 24.75-b04, mixed mode)