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n00b
Joined: 26 Feb 2003
Posts: 36
Location: Manchester England
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 Posted: Thu May 22, 2003 6:59 pm Post subject: USE Flags |
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Now ive got my Ultra 5 to boot (thanks to weeve) I am trying to tweak the make.conf settings. I tried changing the CHOST from sparc-unknown-linux-gnu to Sun4u this seemed to break everything did I do something wrong?
My CFLAGS="-mcpu=ultrasparc -O3 -pipe"
What settings are you guys using successfully? |
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gilesc
n00b
Joined: 01 Dec 2002
Posts: 40
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| Posted: Sun May 25, 2003 7:01 pm Post subject: CFLAGs |
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I'm recompiling X 4.3.0 at the moment with:
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CFLAGS="-mtune=ultrasparc -mcpu=ultrasparc -O3 -pipe -fomit-frame-pointer -fforce-addr -funroll-loops -frerun-cse-after-loop -frerun-loop-opt"
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So far everything seems to be going OK. |
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Blademan
Developer
Joined: 05 Oct 2002
Posts: 116
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| Posted: Tue May 27, 2003 2:07 am Post subject: |
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| Quote: | | changing the CHOST from sparc-unknown-linux-gnu to Sun4u this seemed to break everything |
That does seem not to work. For a U60, I use:
CHOST="sparc-unknown-linux-gnu"
CFLAGS="-mcpu=ultrasparc -mtune=ultrasparc -O3 -pipe"
CXXFLAGS="${CFLAGS}"
With no problems for a few months now. If you do want to try some aggressive optimizations, you may want to try to add 1 at a time. You could always do a:to be sure the flags work. -eu world will recompile everything, and will take a few days, but at least you'll be sure it all works.  |
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Gentoo on Sparc
