Re: [gentoo-user] Xorg.. twm not starting and terrible performance with fluxbox

[Richard Fish <bigfish@asmallpond.org>]

On 11/10/05, Mrugesh Karnik <mrugeshkarnik@gmail.com> wrote:
> Hmmm. I am using the stable version. That's 6.8.2-r4. I'll try emerging
> r6.

Well, give it shot.  But looking at the ChangeLog, I don't see any
references to via driver changes in -r5 or -r6, so I wouldn't hold my
breath that you will see a difference just from the minor bump in the
ebuild version.

However, looking through the ebuild, it looks like the 'via' driver
will be disabled if you use the 'minimal' flag.  So make sure you
don't merge with that in any case!

> One thing.. my Sempron surely supports mmx and sse. I have both of
> those USE flags in my make.conf, but when emerging something, both those
> flags are in the () and are not used... why is that?

Flags in () are hard-masked by the profile.  In this case,
/usr/portage/profiles/linux-default/use.mask masks out mmx, mmx2, sse,
and others.  It is then up to the profile-specific mask to unmask them
if they will work there...and at present only the x86 profile does
this, so if you are using the amd64 profile, these flags are simply
disabled.

Ebuilds can still add the appropriate CFLAGS or configure options to
enable mmx/sse however.  The xorg-x11 ebuild does this for the amd64
profile.

-Richard

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