On Thu, Dec 01, 2011 at 11:30:19AM +0000, Adam D. Barratt wrote: > On Thu, 1 Dec 2011 09:16:41 +0900, Nobuhiro Iwamatsu wrote: > >Libpng maintainers want to update libpng from 1.2 to 1.5. > >libpng of ABI and API has been changed by change of 1.2 to 1.5, so it > >needs a transition from libopng12 to libpng15. > >And it is necessary to change Build-depends of almost all packages > >into libpng-dev from libpng12-dev. > > Is there a good reason why the new libpng-dev couldn't at least > Provide libpng12-dev in the short term? Would this allow some > (most?) packages to be binNMUed? If the API has changed, as Nobuhiro states above, it would be incorrect for the new -dev package to provide the old, wouldn't it? Nor can the provides be temporary; it would have to last until all the build-depends were changed, wouldn't it? Wouldn't it be better, instead, to leave both old and new -dev packages in the archive until all 123 dependent packages are fixed? Cheers, -Steve
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