[gentoo-java] sun-jdk on AMD64

[gentoo-java] sun-jdk on AMD64

[David Emmett]

Hello all,

I have a shiny new AMD64 box, and wanted to emerge sun-jdk-1.4.2.10-r2, but 
received the following message:

Calculating dependencies
!!! All ebuilds that could satisfy "=dev-java/sun-jdk-1.4.2.10-r2" have been 
masked.
!!! One of the following masked packages is required to complete your request:
- dev-java/sun-jdk-1.4.2.10-r2 (masked by: missing keyword)

Now according to the Gentoo Handbook, this means that the sun-jdk has not been 
tested (sufficiently) on the amd64 architecture.

Can I unmask this package, install it, and then report any bugs I find using 
it on this architecture, or is there any overwhelming reason why this won't 
work?

Thanks for your advice,

David Emmett
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Re: [gentoo-java] sun-jdk on AMD64

[Jon Severinsson]

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Well, it's a x86 only binary release, so you'll have to use a multilib
profile, and might have to install some emul-libraries. And the mozilla
plugin will be 32bit, but will be put among 64bit-stuff, so that won't
work, but you should be able to get the rest working. Forget it ever
entering ~amd64 in portage though...

However, for everyday issues I'd recommend blackdown-jdk instead, which
shares ~90% sources with sun-jdk, but is available as a real amd64 package.

Regards
Jon Severinsson

David Emmett skrev:
> Hello all,
> 
> I have a shiny new AMD64 box, and wanted to emerge sun-jdk-1.4.2.10-r2, but 
> received the following message:
> 
> Calculating dependencies
> !!! All ebuilds that could satisfy "=dev-java/sun-jdk-1.4.2.10-r2" have been 
> masked.
> !!! One of the following masked packages is required to complete your request:
> - dev-java/sun-jdk-1.4.2.10-r2 (masked by: missing keyword)
> 
> Now according to the Gentoo Handbook, this means that the sun-jdk has not been 
> tested (sufficiently) on the amd64 architecture.
> 
> Can I unmask this package, install it, and then report any bugs I find using 
> it on this architecture, or is there any overwhelming reason why this won't 
> work?
> 
> Thanks for your advice,
> 
> David Emmett
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Re: [gentoo-java] sun-jdk on AMD64

[Jon Severinsson]

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Anatoly Shipitsin skrev:
>> However, for everyday issues I'd recommend blackdown-jdk instead, which
>> shares ~90% sources with sun-jdk, but is available as a real amd64 package.
> I'm think Jrockit JDK more preffer. You can get this from
> http://www.bea.com.

Jrockit is available in portage as well, dev-java/jrockit-jdk-bin, but
is masked ~amd64. However, as David asked specifically for sun-jdk, I
think blackdown-jdk is a better recommendation, due to it's relationship
with sun-jdk. Otherwise both ibm-jdk-bin (amd64) and jrockit-jdk-bin
(~amd64) is availible. Note though that neither have all of the sun.*
classes that some non-portable Java applications depends on. In that
regard they have the same problems as the free classpath based vms.
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[gentoo-java] Re: sun-jdk on AMD64

[Wiktor Wandachowicz]

David Emmett <daisy@...> writes:

> !!! All ebuilds that could satisfy "=dev-java/sun-jdk-1.4.2.10-r2" have been 
> masked. [snip]
> Now according to the Gentoo Handbook, this means that the sun-jdk has not been 
> tested (sufficiently) on the amd64 architecture.

Well, it potentially might make a bit of mess on your system, if you're not
careful. For Java 1.4.2 and 64-bit Blackdown JDK indeed is mostly a good
choice. Especially if you set it as a default system VM for now.

> Can I unmask this package, install it,

Yup. It works! See here:
http://forums.gentoo.org/viewtopic-t-416912.html

Keep in mind, though, that the above procedure is not supported (officially)
and you get an 32-bit JDK this way. However, that is exactly what needs to be
done for using 32-bit sun-jdk-1.4.2 with 32-bit firefox-bin on amd64.
Disclaimer: WORKSFORME - YMMV.

> and then report any bugs I find using it on this architecture,

I don't think you should bother anyone (esp. yourself). Maybe you could
post your observations in the aforementioned forum topic instead?

> or is there any overwhelming reason
> why this won't work?

Once again, don't set it as a default JVM and remerge some 64-bit JDK
afterwards. Be careful and it should mostly work. There is in the end
a 32-bit (x86) support on the amd64 architecture, isn't it?

> Thanks for your advice,
> 
> David Emmett

You're welcome,
Wiktor Wandachowicz

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