Resolving dependencies... Configuring primitive-0.6.1.0... Configuring mtl-2.2.1... Building primitive-0.6.1.0... Building mtl-2.2.1... Installed mtl-2.2.1 Configuring random-1.1... Configuring text-1.2.2.1... Installed primitive-0.6.1.0 Building random-1.1... Building text-1.2.2.1... Configuring utf8-string-1.0.1.1... Installed random-1.1 Building utf8-string-1.0.1.1... Installed utf8-string-1.0.1.1 Configuring vector-0.11.0.0... Building vector-0.11.0.0... Installed text-1.2.2.1 Configuring hashable-1.2.5.0... Building hashable-1.2.5.0... Installed hashable-1.2.5.0 Installed vector-0.11.0.0 Configuring hashtables-1.2.1.0... Building hashtables-1.2.1.0... Installed hashtables-1.2.1.0 Configuring gtk2hs-buildtools-0.13.2.1... Building gtk2hs-buildtools-0.13.2.1... Installed gtk2hs-buildtools-0.13.2.1 Configuring cairo-0.13.3.1... Building cairo-0.13.3.1... Installed cairo-0.13.3.1 Configuring Thingie-0.5... Building Thingie-0.5... Failed to install Thingie-0.5 Build log ( /home/builder/.cabal/logs/Thingie-0.5.log ): cabal: Entering directory '/tmp/cabal-tmp-4234/Thingie-0.5' Configuring Thingie-0.5... Building Thingie-0.5... Preprocessing library Thingie-0.5... [1 of 2] Compiling Graphics.Rendering.Thingie.Primitives ( Graphics/Rendering/Thingie/Primitives.hs, dist/build/Graphics/Rendering/Thingie/Primitives.o ) [2 of 2] Compiling Graphics.Rendering.Thingie.Cairo ( Graphics/Rendering/Thingie/Cairo.hs, dist/build/Graphics/Rendering/Thingie/Cairo.o ) Graphics/Rendering/Thingie/Cairo.hs:25:1: error: Failed to load interface for ‘Control.Monad.IfElse’ Perhaps you meant Control.Monad.Fail (from base-4.9.0.0) Control.Monad.IO.Class (from base-4.9.0.0) Control.Monad.List (from mtl-2.2.1) Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-4234/Thingie-0.5' cabal: Error: some packages failed to install: Thingie-0.5 failed during the building phase. The exception was: ExitFailure 1