Resolving dependencies... Configuring ObjectName-1.1.0.1... Configuring fixed-0.2.1.1... Building ObjectName-1.1.0.1... Building fixed-0.2.1.1... Installed ObjectName-1.1.0.1 Configuring half-0.2.2.3... 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 text-1.2.2.1... Installed half-0.2.2.3 Building text-1.2.2.1... Installed stm-2.4.4.1 Configuring StateVar-1.1.0.4... Building StateVar-1.1.0.4... Installed StateVar-1.1.0.4 Installed text-1.2.2.1 Configuring OpenGLRaw-3.2.4.0... Building OpenGLRaw-3.2.4.0... Installed OpenGLRaw-3.2.4.0 Configuring GLURaw-2.0.0.3... Building GLURaw-2.0.0.3... Installed GLURaw-2.0.0.3 Configuring OpenGL-3.0.1.0... Building OpenGL-3.0.1.0... Installed OpenGL-3.0.1.0 Configuring OpenAL-1.7.0.4... Building OpenAL-1.7.0.4... Installed OpenAL-1.7.0.4 Configuring ALUT-2.4.0.2... Building ALUT-2.4.0.2... Installed ALUT-2.4.0.2 Configuring turing-music-0.1... Building turing-music-0.1... Failed to install turing-music-0.1 Build log ( /home/builder/.cabal/logs/turing-music-0.1.log ): cabal: Entering directory '/tmp/cabal-tmp-23066/turing-music-0.1' Configuring turing-music-0.1... Building turing-music-0.1... Preprocessing executable 'turing-music' for turing-music-0.1... [1 of 1] Compiling Main ( Music.hs, dist/build/turing-music/turing-music-tmp/Main.o ) Music.hs:1:1: error: Failed to load interface for ‘Turing’ Use -v to see a list of the files searched for. Music.hs:2:1: error: Failed to load interface for ‘Machines’ Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-23066/turing-music-0.1' cabal: Error: some packages failed to install: turing-music-0.1 failed during the building phase. The exception was: ExitFailure 1