Resolving dependencies... Configuring base-orphans-0.6... Configuring cabal-doctest-1.0.2... Building base-orphans-0.6... Building cabal-doctest-1.0.2... Installed base-orphans-0.6 Configuring colour-2.3.3... Configuring ghc-boot-th-8.2.1... Installed cabal-doctest-1.0.2 Building colour-2.3.3... Building ghc-boot-th-8.2.1... Configuring integer-logarithms-1.0.2... Installed ghc-boot-th-8.2.1 Building integer-logarithms-1.0.2... Configuring monads-tf-0.1.0.3... Installed integer-logarithms-1.0.2 Building monads-tf-0.1.0.3... Configuring mtl-2.2.1... Installed colour-2.3.3 Building mtl-2.2.1... Configuring primitive-0.6.2.0... Installed monads-tf-0.1.0.3 Building primitive-0.6.2.0... Configuring semigroups-0.18.3... Installed mtl-2.2.1 Building semigroups-0.18.3... Configuring text-1.2.2.2... Installed semigroups-0.18.3 Building text-1.2.2.2... Installed primitive-0.6.2.0 Configuring template-haskell-2.12.0.0... Building template-haskell-2.12.0.0... Configuring ansi-terminal-0.7.1.1... Installed text-1.2.2.2 Building ansi-terminal-0.7.1.1... Installed ansi-terminal-0.7.1.1 Configuring options-1.2.1.1... Building options-1.2.1.1... Installed options-1.2.1.1 Configuring vector-0.12.0.1... Configuring hashable-1.2.6.1... Installed template-haskell-2.12.0.0 Building vector-0.12.0.1... Building hashable-1.2.6.1... Configuring ansi-wl-pprint-0.6.8.1... Installed hashable-1.2.6.1 Building ansi-wl-pprint-0.6.8.1... Configuring parsec-3.1.11... Installed ansi-wl-pprint-0.6.8.1 Building parsec-3.1.11... Installed parsec-3.1.11 Configuring scientific-0.3.5.2... Building scientific-0.3.5.2... Configuring unordered-containers-0.2.8.0... Installed scientific-0.3.5.2 Building unordered-containers-0.2.8.0... Installed vector-0.12.0.1 Configuring attoparsec-0.13.2.0... Building attoparsec-0.13.2.0... Installed unordered-containers-0.2.8.0 Configuring charset-0.3.7.1... Building charset-0.3.7.1... Installed charset-0.3.7.1 Installed attoparsec-0.13.2.0 Configuring parsers-0.12.7... Building parsers-0.12.7... Warning: /tmp/pkgConf-parsers-0.128556362261749698586.7: Unrecognized field dynamic-library-dirs on line 28 Installed parsers-0.12.7 Configuring inline-c-0.6.0.5... Building inline-c-0.6.0.5... Installed inline-c-0.6.0.5 Configuring c-mosquitto-0.1.2.0... Failed to install c-mosquitto-0.1.2.0 Build log ( /home/builder/.cabal/logs/c-mosquitto-0.1.2.0.log ): cabal: Entering directory '/tmp/cabal-tmp-11302/c-mosquitto-0.1.2.0' Configuring c-mosquitto-0.1.2.0... cabal: Missing dependency on a foreign library: * Missing C library: mosquitto This problem can usually be solved by installing the system package that provides this library (you may need the "-dev" version). If the library is already installed but in a non-standard location then you can use the flags --extra-include-dirs= and --extra-lib-dirs= to specify where it is. cabal: Leaving directory '/tmp/cabal-tmp-11302/c-mosquitto-0.1.2.0' cabal: Error: some packages failed to install: c-mosquitto-0.1.2.0 failed during the configure step. The exception was: ExitFailure 1