Resolving dependencies... Configuring hs-dotnet-0.3.1... Failed to install hs-dotnet-0.3.1 Build log ( /home/builder/.cabal/logs/hs-dotnet-0.3.1.log ): cabal: Entering directory '/tmp/cabal-tmp-11253/hs-dotnet-0.3.1' Configuring hs-dotnet-0.3.1... cabal: Missing dependencies on foreign libraries: * Missing C libraries: ole32, oleaut32 This problem can usually be solved by installing the system packages that provide these libraries (you may need the "-dev" versions). If the libraries are already installed but in a non-standard location then you can use the flags --extra-include-dirs= and --extra-lib-dirs= to specify where they are. cabal: Leaving directory '/tmp/cabal-tmp-11253/hs-dotnet-0.3.1' cabal: Error: some packages failed to install: hs-dotnet-0.3.1 failed during the configure step. The exception was: ExitFailure 1