Hi, Michael. Sorry, reply was late, and thanks for your comment.
2012/3/5 Michael Biebl <bi...@debian.org>: > On 25.02.2012 21:22, Cyril Brulebois wrote: >> Adam D. Barratt <a...@adam-barratt.org.uk> (05/12/2011): >>> On Mon, 2011-12-05 at 16:34 +0900, Nobuhiro Iwamatsu wrote: >>>> First, we had better upload libpng15, after changing libpng12-dev >>>> into libpng-dev. Surely, I think that this method is easy for >>>> shift. >>> >>> We appear to have different definitions of "easy". Anything that >>> involves changes to and uploads of over 300 packages is not what the >>> release team classifies as easy. >> >> I set up a tracker in the meanwhile: >> http://release.debian.org/transitions/html/libpng1.5.html >> >> and it doesn't qualify as “easy” by my standards either. > > > Seems there has been a MBF regarding changing the build-depedency from > libpng12-dev to libpng-dev. > Reading through #650601 and seeing the amount of packages affected, I > think the proposed plan is not good for several reasons. > a/ virtual provides can't safisfy versioned dependencies > b/ switching blindly from libpng12-dev to libpng-dev doesn't mean the > package will actually build against libpng15 > c/ testing migration will be a night mare. > > What about the following: > - Make libpng12 and libpng15 co-installable, by using different source > package names, e.g. src:libpng and src:libpng15 > - src:libpng12 builds libpng12-dev, src:libpng15 builds libpng15-dev > - upload *both* packages to unstable > - src:libpng12 builds a real package libpng-dev, which depends on > libpng12-dev (with a strict dep), this way versioned build-depends can > be satisfied. > - let both packages migrate to testing > - tell maintainers to test their packages against libpng15, and do the > following: > 1/ if it builds against both libpng12 and libpng15, change the b-dep > to libpng-dev > 2/ if it needs updates for libpng15 and the change is not backwards > compatible, b-depend on libpng15-dev > - when all packages have been updated to depend on either libpng-dev or > libpng15-dev, make src:libpng15 build libpng-dev and make it depend on > libpng15-dev and binNMU the remaining lot. > > This way, we don't need to start a huge transition, which has the > potential to block other transitions due to testing migration. > > > How does that sound? I understood all it. I am working about this with Anibal. We will upload libpng1.5 this week. Best regards, Nobuhiro -- Nobuhiro Iwamatsu iwamatsu at {nigauri.org / debian.org} GPG ID: 40AD1FA6 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
