Resolving dependencies... Configuring ObjectName-1.1.0.1... Configuring List-0.6.0... Building List-0.6.0... Building ObjectName-1.1.0.1... Installed ObjectName-1.1.0.1 Configuring base-orphans-0.5.4... Building base-orphans-0.5.4... Configuring fixed-0.2.1.1... Installed List-0.6.0 Configuring old-locale-1.0.0.7... Installed base-orphans-0.5.4 Building fixed-0.2.1.1... Building old-locale-1.0.0.7... Configuring half-0.2.2.3... Installed old-locale-1.0.0.7 Configuring stm-2.4.4.1... Installed fixed-0.2.1.1 Building half-0.2.2.3... Building stm-2.4.4.1... Configuring syb-0.6... Installed half-0.2.2.3 Building syb-0.6... Configuring text-1.2.2.1... Installed stm-2.4.4.1 Building text-1.2.2.1... Installed syb-0.6 Configuring TypeCompose-0.9.12... Building TypeCompose-0.9.12... Configuring old-time-1.1.0.3... Installed TypeCompose-0.9.12 Building old-time-1.1.0.3... Configuring StateVar-1.1.0.4... Installed old-time-1.1.0.3 Building StateVar-1.1.0.4... Installed StateVar-1.1.0.4 Installed text-1.2.2.1 Configuring hashable-1.2.4.0... Configuring polyparse-1.12... Building hashable-1.2.4.0... Building polyparse-1.12... Configuring OpenGLRaw-3.2.4.0... Installed hashable-1.2.4.0 Building OpenGLRaw-3.2.4.0... Configuring unordered-containers-0.2.7.1... Installed polyparse-1.12 Building unordered-containers-0.2.7.1... Installed unordered-containers-0.2.7.1 Configuring cpphs-1.20.2... Building cpphs-1.20.2... Configuring uniplate-1.6.12... Installed cpphs-1.20.2 Building uniplate-1.6.12... Installed uniplate-1.6.12 Configuring haskell-src-exts-1.17.1... Building haskell-src-exts-1.17.1... Installed haskell-src-exts-1.17.1 Configuring derive-2.5.26... Building derive-2.5.26... Installed derive-2.5.26 Installed OpenGLRaw-3.2.4.0 Configuring GLURaw-2.0.0.2... Building GLURaw-2.0.0.2... Installed GLURaw-2.0.0.2 Configuring OpenGL-3.0.1.0... Building OpenGL-3.0.1.0... Installed OpenGL-3.0.1.0 Configuring GLUT-2.7.0.10... Building GLUT-2.7.0.10... Installed GLUT-2.7.0.10 Downloading peakachu-0.3.1... Configuring peakachu-0.3.1... Building peakachu-0.3.1... Failed to install peakachu-0.3.1 Build log ( /home/builder/.cabal/logs/peakachu-0.3.1.log ): cabal: Entering directory '/tmp/cabal-tmp-27067/peakachu-0.3.1' Configuring peakachu-0.3.1... Building peakachu-0.3.1... Preprocessing library peakachu-0.3.1... [ 1 of 13] Compiling Data.Newtype ( src/Data/Newtype.hs, dist/build/Data/Newtype.o ) src/Data/Newtype.hs:41:17: error: Not in scope: data constructor ‘ClassP’ Perhaps you meant one of these: ‘ClassD’ (imported from Language.Haskell.TH.Syntax), ‘ClassI’ (imported from Language.Haskell.TH.Syntax), ‘Clause’ (imported from Language.Haskell.TH.Syntax) src/Data/Newtype.hs:42:17: error: Not in scope: data constructor ‘EqualP’ cabal: Leaving directory '/tmp/cabal-tmp-27067/peakachu-0.3.1' cabal: Error: some packages failed to install: peakachu-0.3.1 failed during the building phase. The exception was: ExitFailure 1