Re: GMP transition: 4.3.2 to 5.0.1?
On Thu, 2011-02-24 at 22:15 +0100, Matthias Klose wrote:
> On 24.02.2011 21:15, Adam D. Barratt wrote:
> > [...]
> >> Matthias also responded requesting:
> >>
> >> I see that both the runtime library and the -dev packages have
> >> different package names. But to be able to still use gmp3 for
> >> existing GCC versions, please change the source name too, such
> >> that gmp3 is still available in unstable after the upload of gmp5.
> >>
> >> Shall I go ahead and upload the source gmp5? Then both gmp versions
> >> will co-exist in the repository and packages can choose to move to
> >> gmp5 at their leisure.
> >
> > After some further investigation, it looks like this isn't feasible.
> > Neither gmp 4.3.2 nor 5.0.1 version their symbols and with both versions
> > in the archive simultaneously and co-installable, there's a reasonable
> > risk of a process ending up with both libraries loaded in to its address
> > space, which is generally not a good idea.
>
> did you check, that all gcc versions do build with the new version on all
> architectures, and that the gcc testsuite doesn't show regressions with the new
> version? will gcc continue to work, while re-building mpfr and mpclib with the
> new gmp?
Steve's mail to this thread less than a week ago said he hadn't done any
test rebuilds at all; I suspect the chances that he's gone on to build
and test multiple GCC versions on multiple architectures in the meantime
are small.
Regards,
Adam
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