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gohmdoree
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Joined: 12 Oct 2004
Posts: 533

PostPosted: Tue Mar 22, 2005 8:39 am    Post subject: PPC Users Reply with quote

had a G4 around (dual 500 mhz, 768 mb ram) and thinking of just sticking it together as my main box. curious what compile flags/optimizations some of you guys have used out there for your own ppc.
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Maedhros
Bodhisattva
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Joined: 14 Apr 2004
Posts: 5511
Location: Durham, UK

PostPosted: Tue Mar 22, 2005 9:43 am    Post subject: Reply with quote

Moved from Installing Gentoo.
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aravind_gentoo
n00b
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Joined: 13 Mar 2005
Posts: 11

PostPosted: Tue Mar 22, 2005 10:02 am    Post subject: my CFLAGS Reply with quote

These are the options I am using and I am happy with the performance I see with my G4 DP - 533MHz.

CFLAGS="-O2 -pipe -mcpu=7400 -mtune=7400 -mpowerpc-gfxopt -maltivec -mabi=altivec -fsigned-char"
CHOST="powerpc-unknown-linux-gnu"
CXXFLAGS="${CFLAGS}"
MAKEOPTS="-j3"

Good Luck.
Aravind.
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gohmdoree
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Joined: 12 Oct 2004
Posts: 533

PostPosted: Tue Mar 22, 2005 4:09 pm    Post subject: Reply with quote

encountered failure of glibc on bootstrap. said ignoring altivec numerous times. did you encounter this previously?

i'm using linux26 headers.

i did get it to work previously and wondering if i switched to a G4 kernel on the livecd as opposed to the G4-SMP that i'm using now.
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aravind_gentoo
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Joined: 13 Mar 2005
Posts: 11

PostPosted: Tue Mar 22, 2005 6:29 pm    Post subject: CFLAGS, USE flags Reply with quote

May be if you post your CFLAGS and USE flags someone could help.
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