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Hiya list, |
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|
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I bought myself a new AMD Athlon64 in December, and initially installed |
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it as a 64-bit Gentoo. In January this year I decided to reinstall it as |
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a 32-bit OS due to constant issues with flash plugins, win32 codecs etc. |
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|
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Seems I made one muck-up ... I used (for the 32-bit OS): |
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CHOST="i686-pc-linux-gnu" |
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CFLAGS="-march=athlon-xp -msse2 -O2 -pipe -ftracer -fomit-frame-pointer" |
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CXXFLAGS="${CFLAGS}" |
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|
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instead of (according to |
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http://gentoo-wiki.com/Safe_Cflags#Opteron.2FAthlon64_.28AMD.29): |
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|
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CHOST="i686-pc-linux-gnu" |
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CFLAGS="-march=athlon64 -msse2 -O2 -pipe -ftracer -fomit-frame-pointer" |
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CXXFLAGS="${CFLAGS}" |
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|
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|
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Notice the athlon-xp <=> athlon64... |
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Does anyone with an good understanding of these flags know the |
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consequences/results of |
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a) Keeping the old flags (athlon-xp)? |
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b) Changing to the new flags without a total reinstall? |
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|
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While I understand that I quite possibly have to reinstall several |
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packages if I change the flags, which are the ones to pay particular |
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note to, or is such a change drastic to the OS requiring a total rebuild |
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of everything? |
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Please advise. |
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Greetings, |
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Ralph |
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-- |
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