Hi, cafe, I have a stange thing when trying to install type-level package: $ sudo ./Setup.hs configure Configuring type-level-0.2.4... $ sudo ./Setup.hs build Preprocessing library type-level-0.2.4... Building type-level-0.2.4... [1 of 8] Compiling Data.TypeLevel.Num.Reps ( src/Data/TypeLevel/Num/Reps.hs, dist/build/Data/TypeLevel/Num/Reps.o ) [2 of 8] Compiling Data.TypeLevel.Num.Sets ( src/Data/TypeLevel/Num/Sets.hs, dist/build/Data/TypeLevel/Num/Sets.o ) [3 of 8] Compiling Data.TypeLevel.Num.Aliases.TH ( src/Data/TypeLevel/Num/Aliases/TH.hs, dist/build/Data/TypeLevel/Num/Aliases/TH.o ) [4 of 8] Compiling Data.TypeLevel.Num.Aliases ( src/Data/TypeLevel/Num/Aliases.hs, dist/build/Data/TypeLevel/Num/Aliases.o ) Loading package ghc-prim ... linking ... done. Loading package integer ... linking ... done. Loading package base ... linking ... done. Loading package syb ... linking ... done. Loading package array-0.2.0.0 ... linking ... done. Loading package containers-0.2.0.1 ... linking ... done. Loading package pretty-1.0.1.0 ... linking ... done. Loading package template-haskell ... linking ... done. Generating and compiling a zillion numerical type aliases, this might take a while $ sudo ./Setup.hs haddock Running Haddock for type-level-0.2.4... Preprocessing library type-level-0.2.4... Warning: The documentation for the following packages are not installed. No links will be generated to these packages: rts-1.0, template-haskell-2.4.0.0 Generating and compiling a zillion numerical type aliases, this might take a while $ sudo ./Setup.hs install Installing library in /usr/local/lib/type-level-0.2.4/ghc-6.10.4 Setup.hs: Error: Could not find module: Data.TypeLevel with any suffix: ["hi"] in the search path: ["dist/build"] I have ghc-6.10.4 (that's what is mentioned in "tested-with" in type-level.cabal file) and cabal-1.8.0.2. Has anyone had some similar problems?