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80386 vs i48680386 vs i486Posted Mar 17, 2005 23:03 UTC (Thu) by pm101 (guest, #3011)Parent article: A modest proposal from Debian's Release Team
Just out of curiousity, anyone know what changed from 386->486 that makes Debian stop supporting 386? I recalled the two being fairly close cousins at the time (at least compared to the previous 8086->[->186]->286->386 transitions). I'm wondering what the relevant thing that the 486 added was.
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80386 vs i486 Posted Mar 18, 2005 0:26 UTC (Fri) by ballombe (subscriber, #9523) [Link] 1) The change is in current stdlibc++: it uses xchg for atomic operations which >=80486 only.
In fact it is possible to build current stdlibc++ for 80386, but it will have an ABI incompatible with all others GNU/Linux distributions, so Debian did not consider it acceptable.
2) Debian still support 386 through kernel emulation, you need to install the kernel in the upgrade-i386 prior to upgrade to sarge.
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