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Yuri Pimenov <yuri@×××××××××××××.com> posted |
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44B2265E.7010408@×××××××××××××.com, excerpted below, on Mon, 10 Jul 2006 |
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13:05:18 +0300: |
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> Today I switched my profile from x86 to amd64 and have problems |
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> rebuilding the system. |
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> I know that AMD64 FAQ states that it is impossible to upgrade from |
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> x86 to amd64, |
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> and it's better to perform the "fresh install". But is that really so? |
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> |
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> At the moment I cant' rebuild ncurses, because configure can't find gpm |
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> in /lib64, so the "emerge -e system" fails. |
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It is really "impossible"... at least for anything like the same level of |
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simplicity. (By cross-compiling, you could do it, but it's entirely |
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unsupported and would be initially mostly manually compiled, AFAIK. Put |
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it this way, just the level of question you asked suggests you don't have |
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the knowledge to do it at this point, and while you could certainly get it |
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over time, you're likely looking at weeks worth of work figuring it out.) |
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At a minimum, to do a normal rebuild, you'd need a 64-bit capable |
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compiler, a 64-bit kernel, and a multilib glibc to base your rebuild on. |
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It appears you are still using your i686 32-bit system ATM. To get the |
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above minimum, you'd either start from a stage tarball or bootstrap |
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manually using cross-compiling. The stage tarball is documented, |
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supported, and tested, the manual cross-compiling you'd be on your own. |
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Note that the default is now a stage-3 install. Once you get the base |
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system up, if you do it right (keep the 32-bit stuff separate and treat it |
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like a chroot, see the 32-bit chroot guide) you should be able to run your |
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existing 32-bit stuff if desired, while you complete the build-out of the |
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rest of your 64-bit system (assuming you don't use the packages CD to |
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quick-start your 64-bit system and thus don't need to use the 32-bit stuff |
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while waiting on the 64-bit stuff). |
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-- |
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Duncan - List replies preferred. No HTML msgs. |
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"Every nonfree program has a lord, a master -- |
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and if you use the program, he is your master." Richard Stallman |
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-- |
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gentoo-amd64@g.o mailing list |
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