Re: [gentoo-alt] Using Gentoo Prefix to support a more recent version of Eclipse?

[Konstantin Tokarev]

20.08.2020, 10:52, "Rabbe Fogelholm" <rabbe@×××××××.se>:
> Fabian Groffen wrote:
>>  On 19-08-2020 22:52:38 +0200, Rabbe Fogelholm wrote:
>>>  Thanks Benda for encouragement.
>>>
>>>  The bootstrapping was a breeze. I started it off and it finished in a couple of
>>>  hours.
>>>
>>>  Emerging 'meld', another GTK application, was possible after adding some
>>>  masks and USE flags.
>>>
>>>  With Java, no success yet. I am trying to use a LD_LIBRARY_PATH, but
>>>  that causes Java to crash immediately. Maybe this is just not doable.
>>
>>  The Oracle SDKs (that are masked nowadays) always worked like a charm
>>  for me. Perhaps you can use those?
>
> My understanding of the Eclipse problem is really limited. That said,
> I think that Eclipse uses some framework named SWT, for the GUI. SWT
> is somehow part of Java. And SWT uses GTK.

SWT is not a part of Java (unlike Swing), it's an independent project (dev-java/swt)

>
> So I tried to do a source build of Java in the prefix, hoping that SWT
> would then use the up-to-date GTK in the prefix. I went for OpenJDK 11.
> In the end this failed because net-print/cups is pulled in, and that
> ebuild fails because it tries to install files outside the prefix.
>
> I tried putting -cups in make.conf and in other places, but the cups
> dependency seems unavoidable.
>
> --Rabbe
>
>>  Fabian
>>>  BR and thanks / Rabbe
>>>
>>>  Benda Xu wrote:
>>>>  Hi Rabbe,
>>>>
>>>>  Rabbe Fogelholm <rabbe@×××××××.se> writes:
>>>>
>>>>>  I have a situation where Gentoo Prefix may possibly help.
>>>>>
>>>>>  I want to run Eclipse with a plugin for Erlang development. The plugin
>>>>>  requires me to use a recent version of Eclipse. However, the platform
>>>>>  that I am stuck with is Ubuntu 16.04.6 LTS, which has an old GTK 3
>>>>>  version, which would force me to use Eclipse "Oxygen", not compatible
>>>>>  with the Erlang plugin.
>>>>>
>>>>>  So, I am wondering: If I can get Gentoo Prefix set up, with presumably
>>>>>  an up-to-date version of GTK 3, could I then hope that this Eclipse
>>>>>  can find the newer GTK 3 and run happily?
>>>>  Yes, Gentoo Prefix will help. That said, it might not work out of the
>>>>  box. I don't know anyone who is using Eclipse on Gentoo Prefix.
>>>>
>>>>  You can expect bugs along your way to the destiny. And that's a good
>>>>  way to contribute to Prefix by sharing your findings and solutions
>>>>  through the bugzilla.
>>>>
>>>>  Yours,
>>>>  Benda


-- 
Regards,
Konstantin