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Re: Making NPTL the default for FC3, vanilla i386 support



On Wed, 2004-05-19 at 14:24, Jakub Jelinek wrote:
>    This means though that almost no FC3 programs can run
>    on vanilla i386{SX,DX} CPUs.  Is this a problem to anyone?

Red Hat 9 was almost impossible to run decently on an i386-class machine
due to lack of resources (mainly, the CPU). I sill have a 386DX/20 lying
around, but it's simply unable to run anything newer than a 2.0, or
2.2-kernel based distribution.

>    Fedora Core installer will certainly not install on i486
>    either, but if rpms from FC3 are used by RULE project...
>    There have been some i486+ only instructions accidentally
>    used in the past in many C++ programs (from libstdc++-v3
>    headers) and apparently nobody noticed this in RHL or
>    Fedora, so I assume not really many people are attempting
>    to revive their i386 boxes.

As I said before, EnGarde Secure Linux 1.0, which is 2.2-kernel-based,
is what that machine can run at most.

> Another alternative is to change all rpms in FC3 which are .i386.rpm
> in FC2 to .i486.rpm, with rpmrc:
> optflags: i386 -O2 -g -march=i386 -m32
> optflags: i486 -O2 -g -march=i486 -mtune=pentium4 -m32
> optflags: i586 -O2 -g -march=i586 -m32
> optflags: i686 -O2 -g -march=i686 -mtune=pentium4 -m32
> optflags: athlon -O2 -g -march=athlon -m32

I like this one. Go for it!



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