Build #2 for LambdaHack-0.9.3.1

[all reports]

Package LambdaHack-0.9.3.1
Install PlanningFailed
Docs NotTried
Tests NotTried
Time submitted 2019-04-13 10:15:46.138729457 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: LambdaHack-0.9.3.1 (user goal)
[__1] trying: LambdaHack:-jsaddle
[__2] trying: LambdaHack:-vty
[__3] trying: LambdaHack:-curses
[__4] trying: LambdaHack:-gtk
[__5] next goal: sdl2-ttf (dependency of LambdaHack -curses -gtk -jsaddle
-vty)
[__5] rejecting: sdl2-ttf-2.1.0 (conflict: pkg-config package
SDL2_ttf>=2.0.12, not found in the pkg-config database)
[__5] rejecting: sdl2-ttf-2.0.2, sdl2-ttf-2.0.1, sdl2-ttf-2.0.0 (conflict:
pkg-config package SDL2_ttf>=2.0.0, not found in the pkg-config database)
[__5] rejecting: sdl2-ttf-1.0.0, sdl2-ttf-0.2.2, sdl2-ttf-0.2.1,
sdl2-ttf-0.2.0 (conflict: LambdaHack -curses -gtk -jsaddle -vty =>
sdl2-ttf>=2)
[__5] fail (backjumping, conflict set: LambdaHack, sdl2-ttf,
LambdaHack:curses, LambdaHack:gtk, LambdaHack:jsaddle, LambdaHack:vty)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: LambdaHack, sdl2-ttf,
LambdaHack:curses, LambdaHack:gtk, LambdaHack:jsaddle, LambdaHack:vty