[patch] Support New NIO in IcedTea

[C. K. Jester-Young]

Hi Andrew,

On Mon, Sep 01, 2008 at 06:16:43PM +0100, Andrew John Hughes wrote:
> It's not javac, it's ecj.

Ah, thank you. I looked through the build scripts and noticed that
whatever compiler is used, there's a symlink called jdk1.6.0 that
points to it, so the jdk1.6.0 is no indication of the compiler version
or type.

> > This is very odd. The first line in hotspot-tools-source-files.txt is
> >  indeed hotspot-tools/com/sun/codemodel/internal/ClassType.java, which
> >  means that whatever make system you have is not passing the '' argument
> >  before it. Either that, or the javac you have is disregarding it.
> 
> Could be the opening " after bootclasspath without a closing one.

That's two single quotes, not a double quote, so it should represent an
empty string. Nonetheless, I'm testing it with ecj now and I'm seeing
the same message. I'll be investigating this further once I have a
complete build (by doing all the @Override stripping).

> Yes, patches/icedtea-override.patch.  Which compiler are you using with IcedTea?
> The default build should use ecj unless you are building with an
> existing IcedTea tree (--with-icedtea).

I do all my builds with the OpenJDK supplied with Ubuntu 8.04, thus the
options I use are --with-openjdk-home=/usr/lib/jvm/java-6-openjdk
--with-openjdk. I wasn't aware of the default compiler used by IcedTea
(probably because I'm a control freak that seldom uses defaults as is),
so thanks for pointing that out.

I'm doing my testing with ecj now; once I have the fixes for that, I'll
be posting another patch! (The nio2 repository has had more updates
since, so my new patches are tracking those updates, as well as the
recent IcedTea6 merges that have occurred---oh, and by the way, thanks
for applying my implicit-enable-hg patch!)

Many thanks,
	---Chris K.