GCJ with OpenJDK Java API instead of GNU Classpath

[Mark Wielaard]

On Fri, 2009-05-08 at 11:12 +0100, Andrew Haley wrote:
> Andrew John Hughes wrote:
> > 
> > The clause in the OpenJCK6 license which restricts its use to projects
> > 'substantially derived' from OpenJDK (judgement of which is made
> > secretly by Sun as part of the decision process) makes me very dubious
> > about it being a test of the specification.  It's very clearly a test
> > of compatibility with the reference implementation provided by Sun and
> > only JDKs derived from this reference implementation have ever passed
> > it.
> 
> I don't believe this to be true, BTW: I know IBM have a clean room
> implementation, and I think others do too.

Of the VM and compiler yes, but no alternative core library
implementation not derived from Sun's code has ever passed the TCK. In
fact Sun has till now refused to even provide the TCK to any alternative
core library implementation not derived from their own code.

Cheers,

Mark