Bug#844797: cabal-debian: FTBFS: build-dependency not installable: libghc-debian-doc

[Lucas Nussbaum]

Source: cabal-debian
Version: 4.33-3
Severity: serious
Tags: stretch sid
User: debian-qa at lists.debian.org
Usertags: qa-ftbfs-20161118 qa-ftbfs
Justification: FTBFS on amd64

Hi,

During a rebuild of all packages in sid, your package failed to build on
amd64.

Relevant part (hopefully):
> +------------------------------------------------------------------------------+
> | Install package build dependencies                                           |
> +------------------------------------------------------------------------------+
> 
> 
> Setup apt archive
> -----------------
> 
> Merged Build-Depends: cdbs, debhelper (>= 10), ghc (>= 8), ghc-prof, haskell-devscripts (>= 0.13), libghc-ansi-wl-pprint-dev (<< 0.7), libghc-ansi-wl-pprint-dev (>= 0.6), libghc-ansi-wl-pprint-prof, libghc-bifunctors-dev, libghc-bifunctors-prof, libghc-data-default-dev, libghc-data-default-prof, libghc-debian-dev (>= 3.91), libghc-debian-prof, libghc-diff-dev (>= 0.3.1), libghc-diff-prof, libghc-exceptions-dev, libghc-exceptions-prof, libghc-hsemail-dev, libghc-hsemail-prof, libghc-hunit-dev, libghc-hunit-prof, libghc-lens-dev, libghc-lens-prof, libghc-memoize-dev (>= 0.7), libghc-memoize-prof, libghc-mtl-dev, libghc-mtl-prof, libghc-network-uri-dev, libghc-network-uri-prof, libghc-newtype-generics-dev (>= 0.4), libghc-newtype-generics-prof, libghc-optparse-applicative-dev (>= 0.11), libghc-optparse-applicative-prof, libghc-parsec3-dev (>= 3), libghc-parsec3-prof, libghc-puremd5-dev, libghc-puremd5-prof, libghc-regex-tdfa-dev, libghc-regex-tdfa-prof, libghc-set-extra-dev, libghc-set-extra-prof, libghc-syb-dev, libghc-syb-prof, libghc-text-dev, libghc-text-prof, libghc-unixutils-dev (>= 1.53), libghc-unixutils-prof, libghc-utf8-string-dev, libghc-utf8-string-prof, ghc-doc, libghc-ansi-wl-pprint-doc, libghc-bifunctors-doc, libghc-data-default-doc, libghc-debian-doc, libghc-diff-doc, libghc-exceptions-doc, libghc-hsemail-doc, libghc-hunit-doc, libghc-lens-doc, libghc-memoize-doc, libghc-mtl-doc, libghc-network-uri-doc, libghc-newtype-generics-doc, libghc-optparse-applicative-doc, libghc-parsec3-doc, libghc-puremd5-doc, libghc-regex-tdfa-doc, libghc-set-extra-doc, libghc-syb-doc, libghc-text-doc, libghc-unixutils-doc, libghc-utf8-string-doc
> Filtered Build-Depends: cdbs, debhelper (>= 10), ghc (>= 8), ghc-prof, haskell-devscripts (>= 0.13), libghc-ansi-wl-pprint-dev (<< 0.7), libghc-ansi-wl-pprint-dev (>= 0.6), libghc-ansi-wl-pprint-prof, libghc-bifunctors-dev, libghc-bifunctors-prof, libghc-data-default-dev, libghc-data-default-prof, libghc-debian-dev (>= 3.91), libghc-debian-prof, libghc-diff-dev (>= 0.3.1), libghc-diff-prof, libghc-exceptions-dev, libghc-exceptions-prof, libghc-hsemail-dev, libghc-hsemail-prof, libghc-hunit-dev, libghc-hunit-prof, libghc-lens-dev, libghc-lens-prof, libghc-memoize-dev (>= 0.7), libghc-memoize-prof, libghc-mtl-dev, libghc-mtl-prof, libghc-network-uri-dev, libghc-network-uri-prof, libghc-newtype-generics-dev (>= 0.4), libghc-newtype-generics-prof, libghc-optparse-applicative-dev (>= 0.11), libghc-optparse-applicative-prof, libghc-parsec3-dev (>= 3), libghc-parsec3-prof, libghc-puremd5-dev, libghc-puremd5-prof, libghc-regex-tdfa-dev, libghc-regex-tdfa-prof, libghc-set-extra-dev, libghc-set-extra-prof, libghc-syb-dev, libghc-syb-prof, libghc-text-dev, libghc-text-prof, libghc-unixutils-dev (>= 1.53), libghc-unixutils-prof, libghc-utf8-string-dev, libghc-utf8-string-prof, ghc-doc, libghc-ansi-wl-pprint-doc, libghc-bifunctors-doc, libghc-data-default-doc, libghc-debian-doc, libghc-diff-doc, libghc-exceptions-doc, libghc-hsemail-doc, libghc-hunit-doc, libghc-lens-doc, libghc-memoize-doc, libghc-mtl-doc, libghc-network-uri-doc, libghc-newtype-generics-doc, libghc-optparse-applicative-doc, libghc-parsec3-doc, libghc-puremd5-doc, libghc-regex-tdfa-doc, libghc-set-extra-doc, libghc-syb-doc, libghc-text-doc, libghc-unixutils-doc, libghc-utf8-string-doc
> dpkg-deb: building package 'sbuild-build-depends-cabal-debian-dummy' in '/<<BUILDDIR>>/resolver-Wl2fHm/apt_archive/sbuild-build-depends-cabal-debian-dummy.deb'.
> dpkg-scanpackages: warning: Packages in archive but missing from override file:
> dpkg-scanpackages: warning:   sbuild-build-depends-cabal-debian-dummy
> dpkg-scanpackages: info: Wrote 1 entries to output Packages file.
> Ign:1 copy:/<<BUILDDIR>>/resolver-Wl2fHm/apt_archive ./ InRelease
> Get:2 copy:/<<BUILDDIR>>/resolver-Wl2fHm/apt_archive ./ Release [963 B]
> Ign:3 copy:/<<BUILDDIR>>/resolver-Wl2fHm/apt_archive ./ Release.gpg
> Get:4 copy:/<<BUILDDIR>>/resolver-Wl2fHm/apt_archive ./ Sources [758 B]
> Get:5 copy:/<<BUILDDIR>>/resolver-Wl2fHm/apt_archive ./ Packages [842 B]
> Fetched 2563 B in 0s (251 kB/s)
> Reading package lists...
> W: No sandbox user '_apt' on the system, can not drop privileges
> Reading package lists...
> 
> Install cabal-debian build dependencies (apt-based resolver)
> ------------------------------------------------------------
> 
> Installing build dependencies
> Reading package lists...
> Building dependency tree...
> Reading state information...
> Some packages could not be installed. This may mean that you have
> requested an impossible situation or if you are using the unstable
> distribution that some required packages have not yet been created
> or been moved out of Incoming.
> The following information may help to resolve the situation:
> 
> The following packages have unmet dependencies:
>  sbuild-build-depends-cabal-debian-dummy : Depends: libghc-debian-doc but it is not installable
> E: Unable to correct problems, you have held broken packages.
> apt-get failed.

The full build log is available from:
   http://aws-logs.debian.net/2016/11/18/cabal-debian_4.33-3_unstable.log

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.