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Re: [kde-linux] KDE-4.14.0 doesn't work




On 09/12/2014 06:11 PM, Duncan wrote:
James Tyrer posted on Fri, 12 Sep 2014 12:41:54 -0700 as excerpted:

On 09/11/2014 01:27 PM, Duncan wrote:
James Tyrer posted on Thu, 11 Sep 2014 12:26:15 -0700 as excerpted:

I mentioned problems with KDE-4.14.0.  At start up, Plasma-Desktop
immediately crashes and will not restart. [S]ome research indicates
that Qt-4.8.6 will not run on AMD-64 bit processors.  Going back to
4.8.4, which I still had on the system, fixed  the problem.

While I'm running kde4-live, here's what plasma-desktop --version
reports:

Qt: 4.8.6 KDE Development Platform: 4.14.0 Plasma Desktop Shell:
4.11.11

So kde-4.14.x and qt-4.8.6 is running fine on amd64, here. =:^)
Do you have any more information on that qt-4.8.6 not running on amd64
claim?  Was it qt-4.8.6 in general or only with kde?  What part of qt4
(qtcore, qtwebkit, qtgui, etc) was it?

Which GCC did you use?  IF you recall, there was a problem with 4.8.4:

https://bugs.gentoo.org/show_bug.cgi?id=450818 which was fixed.  But,
something appears to have gone wrong with the new version of the
compiler: GCC-4.9.0

I never saw that bug here.  I must have been lucky and not gotten the bad
combination of qt/plasma/gcc all at the same time.

Before with 4.8.4 it was an issue of optimization so it was a compiler
issue.  So, it is going to make a difference which compiler you are
using and which compiler options you use.

But gcc version might explain it.  I've been busy enough (and gcc for
amd64 is mature enough improvements tend to be pretty incremental anyway,
unlike the early days of the arch, so there's not as much motivation to)
I've not been tempting fate on masked gcc so much lately.  I do run
~amd64, indicating testing branch on gentoo, but due to the wide variety
of packages gentooers build from source and the flexibility they give
users in terms of cflags, etc, gentoo tends to take a bit longer than
some distros to even unmask a new gcc to ~arch, let alone stable.

As a result I'm still on gcc 4.8.3, with gentoo applying various patches
both to gcc and to various packages such that it's reasonably stable by
now.  Which as I said may well explain it.

I usually go ahead and update GCC because if there is a building problem with anything on the LFS/BLFS sites, there is a fix for it.

Now I see that GCC 4.9.1 has been released so there might have been some problems with the ".0" release. So, since LFS is going to upgrade to that, I will try building Qt-4.8.6 with that and see if it works. That will take a while even with a 4400+ processor.

--
James Tyrer

Linux (mostly) From Scratch


--
James Tyrer

Linux (mostly) From Scratch
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