Resolving dependencies... Configuring extensible-exceptions-0.1.1.4... Configuring data-accessor-0.2.2.8... Building extensible-exceptions-0.1.1.4... Building data-accessor-0.2.2.8... Installed extensible-exceptions-0.1.1.4 Configuring hashable-1.2.7.0... Building hashable-1.2.7.0... Installed data-accessor-0.2.2.8 Configuring pqueue-1.4.1.1... Building pqueue-1.4.1.1... Installed hashable-1.2.7.0 Configuring primitive-0.6.4.0... Building primitive-0.6.4.0... Installed pqueue-1.4.1.1 Configuring random-1.1... Building random-1.1... Installed random-1.1 Configuring semigroups-0.18.5... Building semigroups-0.18.5... Installed semigroups-0.18.5 Configuring utility-ht-0.0.14... Building utility-ht-0.0.14... Installed primitive-0.6.4.0 Configuring data-accessor-transformers-0.2.1.7... Building data-accessor-transformers-0.2.1.7... Installed data-accessor-transformers-0.2.1.7 Configuring unordered-containers-0.2.9.0... Building unordered-containers-0.2.9.0... Installed utility-ht-0.0.14 Configuring monoid-transformer-0.0.4... Building monoid-transformer-0.0.4... Installed monoid-transformer-0.0.4 Configuring explicit-exception-0.1.9.2... Building explicit-exception-0.1.9.2... Installed explicit-exception-0.1.9.2 Configuring tf-random-0.5... Building tf-random-0.5... Installed unordered-containers-0.2.9.0 Configuring storable-record-0.0.4... Building storable-record-0.0.4... Installed tf-random-0.5 Configuring vault-0.3.1.2... Installed storable-record-0.0.4 Configuring QuickCheck-2.11.3... Building vault-0.3.1.2... Building QuickCheck-2.11.3... Installed vault-0.3.1.2 Configuring enumset-0.0.4.1... Building enumset-0.0.4.1... Installed enumset-0.0.4.1 Configuring reactive-banana-1.2.0.0... Building reactive-banana-1.2.0.0... Installed reactive-banana-1.2.0.0 Installed QuickCheck-2.11.3 Configuring non-negative-0.1.2... Configuring non-empty-0.3.0.1... Building non-negative-0.1.2... Building non-empty-0.3.0.1... Installed non-negative-0.1.2 Configuring event-list-0.1.2... Building event-list-0.1.2... Installed non-empty-0.3.0.1 Configuring reactive-banana-bunch-1.0.0.1... Building reactive-banana-bunch-1.0.0.1... Installed reactive-banana-bunch-1.0.0.1 Installed event-list-0.1.2 Configuring midi-0.2.2.2... Building midi-0.2.2.2... Installed midi-0.2.2.2 Configuring reactive-midyim-0.4.1.1... Configuring jack-0.7.1.4... Building reactive-midyim-0.4.1.1... Failed to install jack-0.7.1.4 Build log ( /home/builder/.cabal/logs/ghc-8.4.3/jack-0.7.1.4-GszYD21Gvni9FvKk8Kiucm.log ): cabal: Entering directory '/tmp/cabal-tmp-4160/jack-0.7.1.4' Configuring jack-0.7.1.4... cabal: Missing dependency on a foreign library: * Missing (or bad) header file: jack/jack.h * Missing (or bad) C library: jack 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.If the library file does exist, it may contain errors that are caught by the C compiler at the preprocessing stage. In this case you can re-run configure with the verbosity flag -v3 to see the error messages. If the header file does exist, it may contain errors that are caught by the C compiler at the preprocessing stage. In this case you can re-run configure with the verbosity flag -v3 to see the error messages. cabal: Leaving directory '/tmp/cabal-tmp-4160/jack-0.7.1.4' Installed reactive-midyim-0.4.1.1 cabal: Error: some packages failed to install: jack-0.7.1.4-GszYD21Gvni9FvKk8Kiucm failed during the configure step. The exception was: ExitFailure 1 reactive-jack-0.4.1.1-G9t2MTrcGbF7UzIiQ7riUE depends on reactive-jack-0.4.1.1 which failed to install.