Re: fedora-list Digest, Vol 11, Issue 467
From: Angelo Machils (angelus_at_sangreal.demon.nl)
Date: 01/31/05
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Date: Mon, 31 Jan 2005 07:40:31 +0100 To: fedora-list@redhat.com
Jonathan schreef:
>Angelo Machils wrote:
>>
>
>
>>> > Hello!
>>> >
>>> > I'm running FC3 x86-64 on a AMD 64 3000+ system, but I can't seem to
>>> > manage to install browser plugins under either Firefox (version 1.0)
>>> > or Mozilla. I do the manual install after the automatic fails. The
>>> > install goes okay, but after it I still don't have the plugin.
>>> > I'm trying the trail version of CrossOffice (for Quicktime) and
>>> > allthough the program standalong works, the plugin doesn't. I have the
>>> > plugin in /usr/lib/mozilla/plugins and copied them also to
>>> > /usr/lib64/mozilla/plugins.
>>> > I have done the /usr/sbin/prelink -ua tip I found on the internet for
>>> > FC3, but nothing seems to work.
>>> >
>>> > What am I missing here. Installing plugins wasn't so difficult on my
>>> > FC2 (i386) system.
>>> >
>>> > Thanks in advance, Angelo
>>
>>
>>
>> Firefox for Linux x86_64 has a quirk. You can't install the 32-bit
>> versions of some plugins, most notably flash player, maybe others,
>> because flsh player is still for 32-bit Linux, I don't exaclty know why
>> it will not work on an x86_64 system, I think it is becuase of some of
>> the libraries requried by it that may not have all the required
>> components the plugin needs (maybe it is due to the intrinsic
>> differences in sizes of integers and the like).
>
>
>
>This is not a quirk, but the fundamental way things work. You can run
>32-bit apps on an AMD64 processor with an x86_64 OS, but you cannot
>mix 32- and 64-bit in the same program. So 64-bit Firefox cannot use
>32-bit plugins. That is why 32-bit programs need the 32-bit libraries
>installed. The processor has two distinct modes for 64- or 32-bit and
>code for plugins is too close to the code for the program for the two
>to be different architectures.
>So, in response to Angelo, if you want to use plugins for which there
>are only 32-bit versions right now (like flash and java), uninstall
>64-bit Firefox and get the 32-bit version and your plugins will work
>just fine (go to your local mirror and pick up the RPM). Also, make
>sure you *soft link* to the plugin. Don't copy it to
>/usr/lib/mozilla/plugins/ or it still will not work (by the way,
>Firefox has its own directory seperate from Mozilla). If you want,
>you can run 32-bit Mozilla and 64-bit Firefox, or vise-versa if you
>want both a 32- and 64-bit browser. I don't think you can have both
>versions of one installed, though. At least yum didn't like that
>idea. 32-bit Firefox runs great for me though, so I think I'll just
>stick with it until 64-bit plugins have come around.
>
>Jonathan
>
Thank you for the reply. There is Firefox 0.9 and Mozilla 1.7.3 (both
64-bits) installed already. How can I remove for example Mozilla (when I
do a rpm -qa mozilla I get a whole load full of RPM's) and/or replace it
with a 32-bits version?
What directory does Firefox use for its plugins??
Thanks in advance, Angelo
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