Resolving dependencies... Downloading nitro-0.2.2.2... Configuring nitro-0.2.2.2... cabal: Missing dependencies on foreign libraries: * Missing C libraries: nitro, nitronacl, ev 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. Failed to install nitro-0.2.2.2 cabal: Error: some packages failed to install: nitro-0.2.2.2 failed during the configure step. The exception was: ExitFailure 1