Build #3 for sdl2-ttf-2.1.1

[all reports]

Package sdl2-ttf-2.1.1
Install PlanningFailed
Docs NotTried
Tests NotTried
Time submitted 2020-03-04 05:17:11.176039343 UTC
Compiler ghc-8.6.3
OS linux
Arch x86_64
Flags none

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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:

Resolving dependencies...
cabal: Could not resolve dependencies:
[__0] next goal: sdl2-ttf (user goal)
[__0] rejecting: sdl2-ttf-2.1.1 (conflict: pkg-config package
SDL2_ttf>=2.0.12, not found in the pkg-config database)
[__0] rejecting: sdl2-ttf-2.1.0, sdl2-ttf-2.0.2, sdl2-ttf-2.0.1,
sdl2-ttf-2.0.0, sdl2-ttf-1.0.0, sdl2-ttf-0.2.2, sdl2-ttf-0.2.1, sdl2-ttf-0.2.0
(constraint from user target requires ==2.1.1)
[__0] fail (backjumping, conflict set: sdl2-ttf)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: sdl2-ttf