Re: ldbl128 transition for alpha, powerpc, sparc, s390

["Stuart R. Anderson" <anderson@debian.org>]

On Mon, 27 Aug 2007, Jeff Licquia wrote:

> > > > > I plan to submit bug reports with severity `serious' for all source
> > > > > packages matching the above description (although if somebody wants to
> > > > > handle this transition, please go ahead).
> >
> > > > > lsb-build-base2
> > > > > lsb-build-base3
> >
> > > > Given what the LSB is, I expect that at least these packages need to be
> > > > updated to build using the old ABI.  How can this be done?
> >
> > > -mlong-double-64 can be used. I'm not sure what the LSB decided on
> > > this issue, which was brought up on the LSB meeting last year in
> > > Berlin. Maybe Joey or Matt could follow up?
> >
> > lsb-build-base2 corresponds to LSB version 2, and lsb-build-base3
> > corresponds to LSB version 3.  Whatever the LSB decides for the ABI going
> > forward, surely the ABI needs to remain unchanged for the existing versions?
>
> Just saw this; sorry for the late reply.
>
> The LSB does have an issue with this.  A future version of the SDK will
> likely invoke -mlong-double-64 automatically for LSB builds.  We haven't
> decided yet what will happen in the future, but whatever it is, it
> probably won't appear in the LSB until the release of 4.0, which is at
> least a year away.

lsb-build-base2 and lsb-build-base3 must preserve the old behavior when
building apps for those releases of the LSB. The -mlong-double-64 should
do the trick. I'll be taking care of adding that soon.

LSB 4.0 should probably specify the 128 bit behavior for those architectures
and lsb-build-base4 will ensure it builds apps accordingly.



                                Stuart

Stuart R. Anderson                               anderson@debian.org
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