Stage difference

**crashandburn0420** · 08-13-2005

what is the difference between the 3 gentoo stages?

**Cabhan** · 08-13-2005

Well, as a basic overview, Stage 1 is the most optimized, Stage 3 is the least.

The only differences are in the installation. A Stage 1 installation will have you build EVERYTHING specially for your computer. This includes gcc and everything. You are given absolutely nothing.

Stage 2 takes care of the bootstrapping process (so you get gcc, glibc, etc.), but the rest is all done from scratch.

Stage 3, I believe, gives some generalized install stuff, some stuff precompiled. It's the fastest by far of the installations.

I don't hear much about Stage 2 installs, most people do either a 1 or a 3.

There's a basic overview at:

http://www.gentoo.org/doc/en/handboo...?part=1&chap=2

oz · 08-13-2005

If you are trying to make up your mind on which one to install, I always recommend going stage 1 because it's not any more difficult to do than the other stages. It's just more steps and a few more hours of installation time.

Good luck with it...

**sarumont** · 08-14-2005

Originally Posted by Ozar

If you are trying to make up your mind on which one to install, I always recommend going stage 1 because it's not any more difficult to do than the other stages. It's just more steps and a few more hours of installation time.

Good luck with it...

Actually it's easier to do a stage 3->1. This way you can have a running system in the time it takes to 'emerge xorg-x11 irssi mozilla-firefox'. Then you can 'emerge -e world' with your modified configuration.

oz · 08-14-2005

Originally Posted by sarumont

Actually it's easier to do a stage 3->1. This way you can have a running system in the time it takes to 'emerge xorg-x11 irssi mozilla-firefox'. Then you can 'emerge -e world' with your modified configuration.

That's called "cheating"...

**jaboua** · 08-14-2005

Originally Posted by Cabhan

A Stage 1 installation will have you build EVERYTHING specially for your computer. This includes gcc and everything.

This depends on what CFLAGS you use, if you use the default CFLAGS, this won't matter... But if you spesify for example -march=yourcpu and -O2/-O3 and -m3dnow (last one only for amd), then it will be built for your hardware. I will advise you to inspect the GCC online manual while entering the CFLAGS, looking for for mainly the -m-flags (machine-dependant) and -f-flags (machine-undepended, found in "Optimizations" section)

And about stage2, I did it twice... In addition to about 9 stage3-installs and 4 stage1-installs (thought not all of them were sucsessfull, but most of them... If it don't work, dont give up just reboot in the livecd and try fixing whatever's wrong

**Cabhan** · 08-14-2005

I always thought the point of a Stage1 was doing your own CFLAGS? If you're not going to, then you may as well do a Stage2 or Stage3...

**George Harrison** · 08-15-2005

Lately I have been a fan of Stage 1/3 where you use a stage 3 tarball but you tweak GCC a lot and mess with lots of stuff to make it actually go faster than a stage 1, you have lots of stuff in your /etc/make.conf file and it takes longer than a standard stage 1 install but I think that it's pretty worth it..

**St. Joe** · 08-15-2005

I would do a stage 3->1. None of those other methods will make a hill of beans difference unless you also compile your own kernel that is hardware specific to your box. If this is not your plan then it is pointless to get overly involved in some other grand install scheme. Basically just a waste of time.

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