Re: Recent changes to sysctl.h breaks glibc

From: H. Peter Anvin (hpa@zytor.com)
Date: Mon May 19 2003 - 17:31:52 EST


Eric W. Biederman wrote:
>
> ABI changes or ABI additions?
>
> If the ABI is not fixed that is a bug. Admittedly some interfaces
> in the development kernel are still under development and so have not
> stabilized on an ABI but that is a different issue.
>

ABI fixes and ABI additions, as well as outright ABI changes (yes they
suck, but they happen.)
>
>>ABI headers is the only realistic solution. We
>>can't realistically get real ABI headers for 2.5, so please don't just
>>break things randomly until then.
>
> As the ABI remains fixed I remain unconvinced. Multiple implementations
> against the same ABI should be possible. The real question which is the
> more scalable way to do the code.

The ABI doesn't remain fixed. Like everything else it evolves.

> What I find truly puzzling is that after years glibc still needs
> kernel headers at all.

What I find truly puzzling is that obviously intelligent people like
yourself still seem to think that ABIs remain fixed.

        -hpa

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