FreeBSD Java porting project questions  
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tsmm





PostPosted: 2004-7-7 23:53:00 Top

java-programmer, FreeBSD Java porting project questions Hi all.
I have some questions about this freebsd port.
1)Why we need linux jdk, when building a native distr?
Is that necesarily to build compiler with classes semultaneusly?
2)What are you think about java (and of course jdk) future on freebsd.
I saw freebsdfoundations last message dated last year, and nothing more.
Doesnt project stop or going to?

Thanks for all answers. I really interesting about this

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phantom





PostPosted: 2004-7-8 1:23:00 Top

java-programmer >> FreeBSD Java porting project questions hi,

On Wed, Jul 07, 2004 at 10:54:09PM +0700, Mikhail TSaplin wrote:

> I have some questions about this freebsd port.
> 1)Why we need linux jdk, when building a native distr?
> Is that necesarily to build compiler with classes semultaneusly?

It needs for bootstraping of new java compiler. Compiler being built using
bootraping stuff, then new compiler built using just built compiler, and
then all other stuff built with most recently built compiler. So, we
can be sure that j2se built with compiler based on itself.

> 2)What are you think about java (and of course jdk) future on freebsd.
> I saw freebsdfoundations last message dated last year, and nothing more.
> Doesnt project stop or going to?

It will happen pretty soon. Follow this mailing list or Foundation site.

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glewis





PostPosted: 2004-7-8 1:38:00 Top

java-programmer >> FreeBSD Java porting project questions On Wed, Jul 07, 2004 at 10:54:09PM +0700, Mikhail TSaplin wrote:
> I have some questions about this freebsd port.
> 1)Why we need linux jdk, when building a native distr?
> Is that necesarily to build compiler with classes semultaneusly?

Just like gcc needs a C compiler to bootstrap itself, javac needs another
java compiler to bootstrap itself (as its written in Java). So far, we
have used the Linux version to bootstrap unless an existing native version
is available. It may be possible to use Jikes, but there would need to be
some patches to the build to achieve this. This may become necessary for
the 5.0 (aka 1.5) port as the Linux version doesn't currently run under
emulation.

> 2)What are you think about java (and of course jdk) future on freebsd.
> I saw freebsdfoundations last message dated last year, and nothing more.
> Doesnt project stop or going to?

The project is still going, expect to hear more soon.

--
Greg Lewis Email : email***@***.com
Eyes Beyond Web : http://www.eyesbeyond.com
Information Technology FreeBSD : email***@***.com
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phantom





PostPosted: 2004-7-8 4:06:00 Top

java-programmer >> FreeBSD Java porting project questions hi,

On Wed, Jul 07, 2004 at 11:38:04AM -0600, Greg Lewis wrote:
> On Wed, Jul 07, 2004 at 10:54:09PM +0700, Mikhail TSaplin wrote:
> > I have some questions about this freebsd port.
> > 1)Why we need linux jdk, when building a native distr?
> > Is that necesarily to build compiler with classes semultaneusly?
>
> Just like gcc needs a C compiler to bootstrap itself, javac needs another
> java compiler to bootstrap itself (as its written in Java). So far, we
> have used the Linux version to bootstrap unless an existing native version
> is available. It may be possible to use Jikes, but there would need to be
> some patches to the build to achieve this. This may become necessary for
> the 5.0 (aka 1.5) port as the Linux version doesn't currently run under
> emulation.

It always was possible to use previous release of jdk to bootstrap next
one. As my expirement shown-- it's possible to use jdk 1.4.2 to bootstrap
of jdk 1.5.0. So, it should not be a problem.

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glewis





PostPosted: 2004-7-8 4:30:00 Top

java-programmer >> FreeBSD Java porting project questions On Wed, Jul 07, 2004 at 11:07:07PM +0300, Alexey Zelkin wrote:
> On Wed, Jul 07, 2004 at 11:38:04AM -0600, Greg Lewis wrote:
> > On Wed, Jul 07, 2004 at 10:54:09PM +0700, Mikhail TSaplin wrote:
> > > I have some questions about this freebsd port.
> > > 1)Why we need linux jdk, when building a native distr?
> > > Is that necesarily to build compiler with classes semultaneusly?
> >
> > Just like gcc needs a C compiler to bootstrap itself, javac needs another
> > java compiler to bootstrap itself (as its written in Java). So far, we
> > have used the Linux version to bootstrap unless an existing native version
> > is available. It may be possible to use Jikes, but there would need to be
> > some patches to the build to achieve this. This may become necessary for
> > the 5.0 (aka 1.5) port as the Linux version doesn't currently run under
> > emulation.
>
> It always was possible to use previous release of jdk to bootstrap next
> one. As my expirement shown-- it's possible to use jdk 1.4.2 to bootstrap
> of jdk 1.5.0. So, it should not be a problem.

I think thats usually true up to a point, but I was under the impression
that at some stage in the development they usually cutover to requiring
the same version to do the bootstrapping.

--
Greg Lewis Email : email***@***.com
Eyes Beyond Web : http://www.eyesbeyond.com
Information Technology FreeBSD : email***@***.com
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texel





PostPosted: 2004-7-8 7:41:00 Top

java-programmer >> FreeBSD Java porting project questions Hello,

> > 2)What are you think about java (and of course jdk) future on freebsd.
> > I saw freebsdfoundations last message dated last year, and nothing
more.
> > Doesnt project stop or going to?
>
> The project is still going, expect to hear more soon.

You know, that's one of my questions too (the future of Java on FreeBSD.)
I'm really glad that this is happening; finally my migration could be
complete (I have to have a Windows workstation for Java development.)

Thanks to all the people involved!

Regards,
Carlos.

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