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On Sep 22, 2007, at 5:13 PM, David Relson wrote: |
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> Now that my old AthlonXP mobo has been replaced by an AMD 64 X2 mobo, |
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> it's time for upgrading CHOST :-> |
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> |
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> According to http://www.gentoo.org/doc/en/change-chost.xml after a |
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> couple of changes to /etc/make.conf, i.e. |
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> |
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> from: |
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> USE="x86 ..." |
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> CHOST="i686-pc-linux-gnu" |
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> CFLAGS="-O2 -march=athlon-xp -pipe" |
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> |
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> to: |
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> USE="amd64 ..." |
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> CHOST="amd64-pc-linux-gnu" |
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> CFLAGS="-O2 -march=x86-64 -pipe" |
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> |
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> The next step is: |
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> |
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> emerge -av1 binutils gcc glibc |
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> |
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> The emerge of binutils works fine. However the emerge of gcc fails |
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> with: |
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> |
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> In file included from .../gcc/unwind-dw2.c:257: |
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> gcc/config/i386/linux-unwind.h: In function |
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> 'x86_64_fallback_frame_state': |
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> gcc/config/i386/linux-unwind.h:63: |
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> error: 'struct sigcontext' has no member named 'rsp' |
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> |
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> A quick search of BGO didn't show anything relevant. |
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> |
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> Any suggestions??? |
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> |
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> Thanks. |
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> |
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You're getting that _specific_ error because there is no register |
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'RSP' (the 64-bit stack pointer in the AMD64 world) in the 32-bit x86 |
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world. (You have a 32-bit stack pointer 'esp' instead.) |
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-- |
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