what's all that hassle about gcc 3.4?

Jefklak · l33t Joined: 26 Oct 2003 Posts: 818 Location: Belgium

Is it faster? Compiles it faster? Do your applications compiled with 3.4 run a lot faster? I don't have any idea but I've seen numberous of guys/girls posting things like "is it compatible with gcc 3.4 I don't want to wait 8hours until it compiles for 3.3"?

Isn't 3.4 "very" unstable marked?
What's this "new" version all about - I've been living in a hole these days

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chunderbunny · Posted: Mon Sep 13, 2004 1:14 pm Post subject:

I've only been using it for about a week, but I would say that it compiles a lot faster than 3.3. I managed to do an emerge -e system on my Athlon 2600 and it finished in about 3 - 4 hours.

thechris · Veteran Joined: 12 Oct 2003 Posts: 1203

in the linux world there are degrees of instability. gcc3.4 may work currently with 90% of builds in portage, but still it isn't a stand alone complier. i have portage wrapper that adds a /etc/portage/package.gcc file that allows me to compile some packages with gcc3.3.3 and others with gcc3.4.1.

Jefklak · l33t Joined: 26 Oct 2003 Posts: 818 Location: Belgium

But WHY should I want to compile most packages in gcc 3.4?
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chunderbunny · Posted: Mon Sep 13, 2004 4:59 pm Post subject:

Because it's faster?

Jefklak · l33t Joined: 26 Oct 2003 Posts: 818 Location: Belgium

thechris · Veteran Joined: 12 Oct 2003 Posts: 1203

newer version of GCC generally add new expirimental options, and add old expirimental options into the defaults.

i'm probably gonna move to gcc3.4.1 now that i have a backup compiler and a portage wrapper that will allow me to use gcc3.3.3 for specific packages (so if a gcc3.3.3 only packages shows up in an update i don't fail the update...)

Halcy0n · Posted: Tue Sep 14, 2004 4:34 am Post subject:

Jefklak · l33t Joined: 26 Oct 2003 Posts: 818 Location: Belgium

Could somebody explain how that wrapper thing works to eventually use gcc 3.3 instead of 3.4 for important packages?
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thechris · Veteran Joined: 12 Oct 2003 Posts: 1203

it is a wrapper that i made for myself. it is a simple bash script on my webstie:
http://www.siue.edu/~cstahl/linux/

note that you must chown root and chmod 700 the file.

also, there may be bugs in the release. it should work, but it is still an early version.

Halcy0n · Posted: Tue Sep 14, 2004 3:48 pm Post subject:

This wrapper should not be needed though. Most packages compile with gcc 3.4 just fine. I did say most though, not all. If you run into something, please check to make sure there is a bug for it on bugs.gentoo.org, and if there isn't file one so it can get fixed.
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Jefklak · l33t Joined: 26 Oct 2003 Posts: 818 Location: Belgium

All right, thank you all

I switched to gcc 3.4 and did an emerge system (latest update) but no -e
Eventually I'll upgrade some applications with the new compiler anyway.
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Kernel 2.6.9-nitro4! << hurrah

thechris · Veteran Joined: 12 Oct 2003 Posts: 1203

the wrapper was actually more for the package specific cflags and use flags. but it also makes the co-existance of multiple compilers easier. that function wasn't at all hard to add, and i figured it was worth it.

martinm1000 · Posted: Thu Sep 16, 2004 3:38 am Post subject:

If I do:

hiroki · Posted: Thu Sep 16, 2004 9:15 am Post subject:

martinm1000 · Posted: Thu Sep 16, 2004 1:53 pm Post subject:

Wow cool !

I did not know that... I guess I'll try it !

thanks

hiroki · Posted: Thu Sep 16, 2004 3:24 pm Post subject: