Build #3 for birch-beer-0.1.3.0

[all reports]

Package birch-beer-0.1.3.0
Install PlanningFailed
Docs NotTried
Tests NotTried
Time submitted 2019-06-13 16:20:17.906514535 UTC
Compiler ghc-8.6.3
OS linux
Arch x86_64
Dependencies
Flags none

Build log

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Warning: The install command is a part of the legacy v1 style of cabal usage.

Please switch to using either the new project style and the new-install
command or the legacy v1-install alias as new-style projects will become the
default in the next version of cabal-install. Please file a bug if you cannot
replicate a working v1- use case with the new-style commands.

For more information, see: https://wiki.haskell.org/Cabal/NewBuild

Resolving dependencies...
cabal: Could not resolve dependencies:
[__0] trying: birch-beer-0.1.3.0 (user goal)
[__1] next goal: gtk (dependency of birch-beer)
[__1] rejecting: gtk-0.15.2, gtk-0.15.1, gtk-0.15.0, gtk-0.14.7 (conflict:
pkg-config package gtk+-2.0-any, not found in the pkg-config database)
[__1] rejecting: gtk-0.14.6, gtk-0.14.5, gtk-0.14.4, gtk-0.14.3, gtk-0.14.2,
gtk-0.13.9, gtk-0.13.8.1, gtk-0.13.8, gtk-0.13.7, gtk-0.13.6, gtk-0.13.4,
gtk-0.13.3, gtk-0.13.2, gtk-0.13.1, gtk-0.13.0.3, gtk-0.13.0.2, gtk-0.13.0.1,
gtk-0.13.0.0, gtk-0.12.5.7, gtk-0.12.5.6, gtk-0.12.5.5, gtk-0.12.5.4,
gtk-0.12.5.3, gtk-0.12.5.2, gtk-0.12.5.1, gtk-0.12.5.0, gtk-0.12.4,
gtk-0.12.3.1, gtk-0.12.3, gtk-0.12.2, gtk-0.12.1, gtk-0.12.0, gtk-0.11.2,
gtk-0.11.1, gtk-0.11.0 (conflict: birch-beer => gtk>=0.14.7)
[__1] rejecting: gtk-0.14.10, gtk-0.14.9 (conflict: pkg-config package
gtk+-2.0-any, not found in the pkg-config database)
[__1] fail (backjumping, conflict set: birch-beer, gtk)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: birch-beer, gtk