Resolving dependencies... Configuring semigroups-0.18.2... Building semigroups-0.18.2... Installed semigroups-0.18.2 Configuring average-0.5... Building average-0.5... Failed to install average-0.5 Build log ( /home/builder/.cabal/logs/average-0.5.log ): cabal: Entering directory '/tmp/cabal-tmp-8390/average-0.5' Configuring average-0.5... Building average-0.5... Preprocessing library average-0.5... [1 of 1] Compiling Data.Monoid.Average ( src/Data/Monoid/Average.hs, dist/build/Data/Monoid/Average.o ) src/Data/Monoid/Average.hs:30:1: error: Failed to load interface for ‘Data.AdditiveGroup’ Use -v to see a list of the files searched for. src/Data/Monoid/Average.hs:31:1: error: Failed to load interface for ‘Data.VectorSpace’ Use -v to see a list of the files searched for. src/Data/Monoid/Average.hs:32:1: error: Failed to load interface for ‘Data.AffineSpace’ Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-8390/average-0.5' cabal: Error: some packages failed to install: average-0.5 failed during the building phase. The exception was: ExitFailure 1