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    SubjectRe: fyi: gcc33-hammer crashes when compiling kvm emulate.c
    On 10/26/2010 10:01 AM, Andi Kleen wrote:
    >> Not unless they are actively known to break. People get huffy about it
    >
    > Well they do -- i just found out.

    Sounds like a good reason to put in a warning or error.

    >> because even if it is known to have problems it doesn't break *their*
    >> particular configuration. I'm getting to be of the opinion that people
    >> who compile modern kernels with ancient compilers and expect it to work
    >> are suffering from some particular kind of insanity -- it's nothing the
    >> distros do. The only exception are embedded people who compile with the
    >> latest 3.4 gcc; they have explained they do so because newer gccs have
    >> too many dependencies (the actual compiler, not the generated code) and
    >> for speed.
    >
    > At least in the old days the main reason for gcc 3 was build speed.
    > AKPM and some others used to be fond of that.
    >
    > 3.x is apparently much faster than 4.x

    That is an issue too, as 3.x does a lot fewer optimizations than 4.x.

    -hpa


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