svn commit: r330601 - head/sys/i386/ibcs2

Konstantin Belousov kostikbel at gmail.com
Wed Mar 7 22:17:42 UTC 2018


On Wed, Mar 07, 2018 at 09:19:55PM +0000, Brooks Davis wrote:
> On Wed, Mar 07, 2018 at 01:20:14PM -0500, Pedro Giffuni wrote:
> > FWIW ...
> > 
> > ibcs2 is candidate for future removal.
> 
> It is probably time again to see if actual users exist.  ibcs2 has wasted
> a few hours of my time over the last few months so keeping it does have
> a non-zero cost.
There are users of it, I periodically (say two or three times per year)
get a report of something appearing broken in it.

Note that iBCS2 is disconnected from the build in HEAD in probably
in stable/11.  It seems that removing it from svn might be a reasonable
change after all.

> 
> > We tried to get some vendor interest in it but we failed and given this 
It was not a 'vendor interest'. It was an unability to get the
confirmation that some patch which was written using information from
the SCO headers, does not violate the license.

> > is very i386-specific it is probably not worth spending huge efforts on it.
> > 
> > cloudabi seems to be, for all purposes, a better conceptual replacement.
> 
> This comment doesn't make much sense. iBCS is the Intel Binary
> Compatibility Standard, an obsolete ABI for i386 Unixes such as Xenix,
> SCO, and UnixWare.  Cloudabi is, in a sense, taking Capsicum to its
> logical extreme and totally unrelated.
> 
> -- Brooks




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