Does order matter for the rebuilds for the gcc 5.0 C++ ABI change?

[Richard W.M. Jones]

On Wed, Feb 18, 2015 at 08:04:53AM -0700, Dave Johansen wrote:
> I rebuilt libcutl the other day and then noticed that later boost was
> rebuilt. libcutl depends on boost, so is it a problem that it was rebuilt
> before boost was?

Yes.  Jakub Jelinek wrote on this list:

<quote>
  Also, a releng mass rebuild, which I believe is a random package order,
  would very likely not help very much, due to the ABI changes one needs to
  rebuild the packages in topological order, non-C++ packages or C++ packages
  that nothing C++ depends on of course can be left for the mass rebuild, but
  ideally the rest should be rebuilt manually before the mass rebuild.
</quote>

Rich.

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