[Haskell-cafe] Stack transitive dependencies

Corentin Dupont corentin.dupont at gmail.com
Wed Aug 26 15:09:26 UTC 2015

I have a package depending on another:


flags: {}
- '.'
- location: ../Bar
  extra-dep: true
- Bar-0.7.6
resolver: lts-2.19

When I compile (stack build), I obtain:

--  While attempting to add dependency,
    Could not find package DebugTraceHelpers in known packages

--  Failure when adding dependencies:
      DebugTraceHelpers: needed (==0.12.*), but not present in build plan,
latest is 0.12
    needed for package: Bar-0.7.6

I find it strange that it asks for DebugTraceHelpers because it's not a
direct dependency of my package, but a dependency of a dependency.
It is correctly mentioned in Bar/stack.yml:

flags: {}
- '.'
- DebugTraceHelpers-0.12
resolver: lts-2.19
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