Gcc 4.2

Etal · Veteran Joined: 15 Jul 2005 Posts: 1931

Not to sound like I'm complaining, but when will gcc-4.2 become stable?

I do quite a bit of video processing, and I heard that march=native will noticeably increase the speed of those applications for the Core2 processors.

I currently run a mostly stable x86 system, and I know that mixing stable and unstable is not a very good idea, but I really don't want to switch to ~x86, since I don't want things to break at inconvenient times.

So, what I'd like to know: is gcc-4.2 going to go stable within the next few months?
And if not, how safe is it to use 4.2 with an x86 system? What bugs will I encounter? Should I add any additional packages to package.keywords?

Thanks in advance!
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Polynomial-C · Posted: Tue May 13, 2008 5:35 pm Post subject:

gcc-4.2 / gcc-4.3 plans
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Need a stage1 tarball? (Unofficial builds)

Etal · Veteran Joined: 15 Jul 2005 Posts: 1931

Polynomial-C · Posted: Tue May 13, 2008 10:29 pm Post subject:

Hi,

I'm using gcc-4.2.3 on two of my desktop-machines. On my ~x86 box I just updated from gcc-4.1.2 and did nothing but use gcc-4.2.3 for updates from that point on. The other machine is an ~amd64 box which I installed from stage1 with gcc-4.2.3. I since never experienced any problems caused by gcc-4.2.3. So if you really wanna install gcc-4.2.3 I'd say, do it.
I cannot give any recommendations about gcc-4.3 as I won't start using it until it hits the stable tree in Gentoo.

Cheers
Poly-C
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hielvc · Posted: Wed May 14, 2008 12:21 am Post subject:

What gcc version are you using? If your at 4.1 then I agree with Polynomial-C. If your using 3.x then you would have to rebuild your TC then emerge -e world. I switched to "~x86" because I got fewer probs and I saw some else who said the same just the other day:lol:
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Etal · Veteran Joined: 15 Jul 2005 Posts: 1931

cyrillic · Posted: Wed May 14, 2008 3:23 am Post subject:

pappy_mcfae · Posted: Wed May 14, 2008 8:12 am Post subject:

For me, gcc 4.2.3 works fine and dandy. I have yet to run into compile errors caused by it. My errors came from libtool-2.2.4. Gcc-4.2.3 works just fine for 32 and 64 bit systems, and it cross compiles flawlessly...at least as far as I can tell.

Blessed be!
Pappy
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Etal · Veteran Joined: 15 Jul 2005 Posts: 1931

Thanks everyone for your responses!

I switched to 4.2.3, and recompiled everything without a problem.

I know that usually having a mixed system, as cyrillic notes, is generally not a good idea, but here is my rationale:
GCC 4.2 was added to the tree as ~arch about a year ago. This means that most of the stable software that's on my computer has most likely been in ~arch at some time, so if it worked fine back then, it should work fine now too.
Also, since I recompiled everything, I will be able to see how well everything works. If I find that it's getting wonky, I could switch to ~arch, and GCC 4.3 should be there by then.

Also, my system is now booting 2 seconds faster (probably due to shuffling the files around) :lol:

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Eckos · Posted: Fri May 16, 2008 6:08 pm Post subject:

I'm running