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Message from discussion why no linux x86_64 builds
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Benjamin Smedberg  
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 More options Aug 19 2009, 9:41 am
Newsgroups: mozilla.dev.platform
From: Benjamin Smedberg <benja...@smedbergs.us>
Date: Wed, 19 Aug 2009 09:41:28 -0400
Local: Wed, Aug 19 2009 9:41 am
Subject: Re: why no linux x86_64 builds
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On 8/19/09 4:08 AM, Jacek Pospychala wrote:

> hi,

> I'm wondering why there's no linux x86_64 builds available? Is this
> platform not supported, or is it tested with standard x86 builds?

We do have nightly x86-64 builds:
http://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-mozilla...

However, we do not make x86-64 releases, for several reasons:

* many of the most popular plugins are only available on x86
* we don't do active QA on the x86-64 builds
* because the i686 builds work fine on almost every x86-64 Linux distro.
* Optimizations such as the tracemonkey JIT engine have yet not been
implemented for x86-64, which means that the i686 build will be faster than
the x86-64 build.

In most cases end-users receive Mozilla/Firefox from their Linux distros in
any case, and the distro will decide whether to use i686 (for
plugin/extension compatibility) or to use x86-64.

--BDS


 
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