Resolving dependencies...
Configuring units-1.0.1...
Building units-1.0.1...
Preprocessing library units-1.0.1...
[ 1 of 12] Compiling Data.Dimensions.TypePrelude ( src/Data/Dimensions/TypePrelude.hs, dist/build/Data/Dimensions/TypePrelude.o )
[ 2 of 12] Compiling Data.Dimensions.Z ( src/Data/Dimensions/Z.hs, dist/build/Data/Dimensions/Z.o )

src/Data/Dimensions/Z.hs:22:23:
    Module ‘GHC.TypeLits’ does not export ‘Sing’

src/Data/Dimensions/Z.hs:22:29:
    Module ‘GHC.TypeLits’ does not export ‘SingI(..)’

src/Data/Dimensions/Z.hs:22:40:
    Module ‘GHC.TypeLits’ does not export ‘SingE(..)’

src/Data/Dimensions/Z.hs:22:51:
    Module ‘GHC.TypeLits’ does not export ‘KindIs(..)’
Failed to install units-1.0.1
cabal: Error: some packages failed to install:
units-1.0.1 failed during the building phase. The exception was:
ExitFailure 1