changing -march= in make.conf

szczerb · Posted: Fri Feb 15, 2008 8:19 am Post subject: changing -march= in make.conf

Hey guys (and gals

),
is it safe to change the march option in a working system? And how do I then rebuild it all at once?

I just moved my gateway/server from a p166mmx to a 2xCoppermine 500MHz so I thought it'd be good to change it

Thanks in advance

bunder · Bodhisattva Joined: 10 Apr 2004 Posts: 5934

yeah, that should be okay... you might want to check your CHOST too, as you're probably going from 586 to 686.

an emerge -eav system followed by emerge -eav world should rebuild everything.

cheers
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Sadako · Posted: Fri Feb 15, 2008 8:26 am Post subject:

Yeah, it's safe, and an `emerge -e world` should re-emerge everything for you, although if yoour system isn't already up to date it could cause problems...
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szczerb · Posted: Fri Feb 15, 2008 8:30 am Post subject:

It's up to date - i just run my typical emerge --update --deep --newuse world last night.

Thanks for the CHOST tip - I wuold've forgotten about it.

schachti · Posted: Fri Feb 15, 2008 3:54 pm Post subject:

Changing the CHOST might cause problems - so before trying, have a look at http://www.gentoo.org/doc/en/change-chost.xml.
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szczerb · Posted: Fri Feb 15, 2008 10:54 pm Post subject:

Thanks for the link

I actually just run into some problems...it might be easily solvable but I'll use it as a reason to install myself a brand new gentoo - hardened this time

I've seen some dictionary attacks on my sshd recently so I thought that getting secure is generally smart.