Re: [gentoo-amd64] Java Firefox plugins

[Jean-Marc Hengen]

Hi,

Beso wrote:
>> 2007/7/26, scwang@××××××.cn:
>> I think that emul-linux-x86-java doesn't work with 64-bit
>> firefox browser. It just works with mozilla-firefox-bin, which
>> is 32-bit.
>
> that's incorrect!!!! the emul-linux libraries are 32 bit libraries that
> are to be used with firefox amd64  not firefox-bin for the conversion of
> 32 bit plugins to 64bit plugins.... or better explained, they're a layer
> for executing 32bit plugins on 64bit firefox compiled.... that's why
> they're a dependencies for the nspluginwrapper library....
> anyway, just use the howto flash9 and java with firefox on amd 64 from
> http://gentoo-wiki.com/

You're both not correct. emul-linux-x86-java is, like stated at the 
description of the package the "32bit version Sun's J2SE Development 
Kit". So, firefox, which is compiled for 64bit can't use the plugin 
directly, but mozilla-firefox-bin, which is also 32bit can use that 
plugin. The reason is, that no application compiled for 64bit can be 
linked with something complied for 32bit.

Some people wanted however have 64bit firefox/konqueror/... and also use 
  32bit plugin's like flash. (blackdown-jdk for 64bit has a nsplugin, 
which don't work with current firefox versions anymore. So in the past, 
that wasn't a problem, 64bit firefox and java.) So they wrote 
nspluginwrapper, which allow to use any 32bit nsplugin. This means, with 
nspluginwrapper you can use emul-linux-x86-java's nsplugin in 64bit firefox.

As a side note, the emul-packages bring some precompiled 32bit libs, 
which are often present on any linux system. Those are needed for 
packages, like opera, skype, wine, ... which are only available for 
32bit. Search the list for more detailed answers about, why emul 
packages exists, this was often discussed in the past.

Greetings,
Jean-Marc Hengen
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