Bug#869003: haskell-texmath: FTBFS: unsatisfiable build-dependencies: libghc-pandoc-types-dev (>= 1.12.3.3), libghc-pandoc-types-dev (< 1.18), libghc-pandoc-types-prof

[Lucas Nussbaum]

Source: haskell-texmath
Version: 0.9.4-1
Severity: serious
Tags: buster sid
User: debian-qa at lists.debian.org
Usertags: qa-ftbfs-20170719 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 (>= 9), ghc (>= 8), ghc-prof, haskell-devscripts (>= 0.13), libghc-mtl-dev, libghc-mtl-prof, libghc-network-uri-dev (>= 2.6), libghc-pandoc-types-dev (>= 1.12.3.3), libghc-pandoc-types-dev (<< 1.18), libghc-pandoc-types-prof, libghc-parsec3-dev (>= 3), libghc-parsec3-prof, libghc-syb-dev, libghc-syb-prof, libghc-xml-dev, libghc-xml-prof, ghc-doc, libghc-mtl-doc, libghc-pandoc-types-doc, libghc-parsec3-doc, libghc-syb-doc, libghc-xml-doc
> Filtered Build-Depends: cdbs, debhelper (>= 9), ghc (>= 8), ghc-prof, haskell-devscripts (>= 0.13), libghc-mtl-dev, libghc-mtl-prof, libghc-network-uri-dev (>= 2.6), libghc-pandoc-types-dev (>= 1.12.3.3), libghc-pandoc-types-dev (<< 1.18), libghc-pandoc-types-prof, libghc-parsec3-dev (>= 3), libghc-parsec3-prof, libghc-syb-dev, libghc-syb-prof, libghc-xml-dev, libghc-xml-prof, ghc-doc, libghc-mtl-doc, libghc-pandoc-types-doc, libghc-parsec3-doc, libghc-syb-doc, libghc-xml-doc
> dpkg-deb: building package 'sbuild-build-depends-haskell-texmath-dummy' in '/<<BUILDDIR>>/resolver-RS3FFe/apt_archive/sbuild-build-depends-haskell-texmath-dummy.deb'.
> dpkg-scanpackages: warning: Packages in archive but missing from override file:
> dpkg-scanpackages: warning:   sbuild-build-depends-core-dummy sbuild-build-depends-haskell-texmath-dummy
> dpkg-scanpackages: info: Wrote 2 entries to output Packages file.
> Ign:1 copy:/<<BUILDDIR>>/resolver-RS3FFe/apt_archive ./ InRelease
> Get:2 copy:/<<BUILDDIR>>/resolver-RS3FFe/apt_archive ./ Release [963 B]
> Ign:3 copy:/<<BUILDDIR>>/resolver-RS3FFe/apt_archive ./ Release.gpg
> Get:4 copy:/<<BUILDDIR>>/resolver-RS3FFe/apt_archive ./ Sources [646 B]
> Get:5 copy:/<<BUILDDIR>>/resolver-RS3FFe/apt_archive ./ Packages [716 B]
> Fetched 2325 B in 0s (0 B/s)
> Reading package lists...
> Reading package lists...
> 
> Install haskell-texmath 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-haskell-texmath-dummy : Depends: libghc-pandoc-types-dev (>= 1.12.3.3) but it is not going to be installed
>                                               Depends: libghc-pandoc-types-dev (< 1.18) but it is not going to be installed
>                                               Depends: libghc-pandoc-types-prof but it is not going to be installed
> 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/2017/07/19/haskell-texmath_0.9.4-1_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.