Resolving dependencies... Configuring mtl-2.2.1... Configuring text-1.2.2.1... Building text-1.2.2.1... Building mtl-2.2.1... Installed mtl-2.2.1 Installed text-1.2.2.1 Configuring parsec-3.1.11... Building parsec-3.1.11... Installed parsec-3.1.11 Configuring pointfree-1.0.2... Building pointfree-1.0.2... Failed to install pointfree-1.0.2 Build log ( /home/builder/.cabal/logs/pointfree-1.0.2.log ): cabal: Entering directory '/tmp/cabal-tmp-16277/pointfree-1.0.2' Configuring pointfree-1.0.2... Building pointfree-1.0.2... Preprocessing executable 'pointfree' for pointfree-1.0.2... on the commandline: warning: -fglasgow-exts is deprecated: Use individual extensions instead [1 of 1] Compiling Main ( Main.hs, dist/build/pointfree/pointfree-tmp/Main.o ) Main.hs:3:1: error: Failed to load interface for ‘Plugin.Pl.Common’ Use -v to see a list of the files searched for. Main.hs:4:1: error: Failed to load interface for ‘Plugin.Pl.Optimize’ Use -v to see a list of the files searched for. Main.hs:5:1: error: Failed to load interface for ‘Plugin.Pl.Parser’ Use -v to see a list of the files searched for. Main.hs:6:1: error: Failed to load interface for ‘Plugin.Pl.Transform’ Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-16277/pointfree-1.0.2' cabal: Error: some packages failed to install: pointfree-1.0.2 failed during the building phase. The exception was: ExitFailure 1