ghc-7.6.2 breaks haddock interface...

Joachim Breitner nomeata at
Wed Dec 12 00:20:35 CET 2012


I built GHC 7.6.2-rc1 for Debian. Unfortunately, we have this:

Control files of package ghc-haddock: lines which differ (wdiff format)
Depends: ghc (= [-7.6.1-3),-] {+,+} libc6 (>= 2.11), libffi5 (>= 3.0.4), libgmp10
Installed-Size: [-32917-] {+33044+}
Provides: haddock, [-haddock-interface-21-] {+haddock-interface-22+}
Version: [-7.6.1-3-] {+}

i.e. upstream has bumped the haddock interface number. I really was not
expecting this from a minor release.

@GHC devs: Is that intentional? I.e., is there really a change to the
on-disk format of the .haddock files? Can we expect this to be stable
until 7.6.2 final?

In general, please only bump the interface number if really required,
makes live much easier for us (and probably also for some of your other

@Debian: If the answer is yes, what should we do? I think I have
automated rebuilding everything (at least everything in Darcs) enough to
make that not as painful as it used to be, but it would still take some
time. On the other hand, it would break Haskell in experimental for some
time (maybe a week, optimistically). But then, it is already partly


Joachim "nomeata" Breitner
Debian Developer
  nomeata at | ICQ# 74513189 | GPG-Keyid: 4743206C
  JID: nomeata at |
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