Resolving dependencies... Configuring data-accessor-0.2.2.7... Configuring explicit-exception-0.1.9... Building data-accessor-0.2.2.7... Building explicit-exception-0.1.9... Installed data-accessor-0.2.2.7 Configuring extensible-exceptions-0.1.1.4... Building extensible-exceptions-0.1.1.4... Configuring monoid-transformer-0.0.3... Installed extensible-exceptions-0.1.1.4 Installed explicit-exception-0.1.9 Configuring pqueue-1.3.2.3... Building monoid-transformer-0.0.3... Building pqueue-1.3.2.3... Configuring primitive-0.6.2.0... Installed monoid-transformer-0.0.3 Building primitive-0.6.2.0... Configuring random-1.1... Installed pqueue-1.3.2.3 Building random-1.1... Configuring text-1.2.2.2... Installed primitive-0.6.2.0 Building text-1.2.2.2... Configuring utility-ht-0.0.14... Installed random-1.1 Building utility-ht-0.0.14... Configuring data-accessor-transformers-0.2.1.7... Installed utility-ht-0.0.14 Building data-accessor-transformers-0.2.1.7... Installed data-accessor-transformers-0.2.1.7 Configuring storable-record-0.0.3.1... Building storable-record-0.0.3.1... Configuring tf-random-0.5... Installed storable-record-0.0.3.1 Building tf-random-0.5... Installed tf-random-0.5 Configuring QuickCheck-2.10.1... Building QuickCheck-2.10.1... Configuring enumset-0.0.4... Installed text-1.2.2.2 Building enumset-0.0.4... Installed enumset-0.0.4 Configuring hashable-1.2.6.1... Building hashable-1.2.6.1... Installed hashable-1.2.6.1 Configuring unordered-containers-0.2.8.0... Building unordered-containers-0.2.8.0... Installed unordered-containers-0.2.8.0 Configuring vault-0.3.0.7... Building vault-0.3.0.7... Installed vault-0.3.0.7 Configuring reactive-banana-1.1.0.1... Building reactive-banana-1.1.0.1... Installed QuickCheck-2.10.1 Configuring non-empty-0.3... Building non-empty-0.3... Configuring non-negative-0.1.1.2... Installed non-empty-0.3 Building non-negative-0.1.1.2... Installed reactive-banana-1.1.0.1 Configuring reactive-banana-bunch-1.0... Building reactive-banana-bunch-1.0... Installed non-negative-0.1.1.2 Configuring event-list-0.1.1.3... Installed reactive-banana-bunch-1.0 Building event-list-0.1.1.3... Installed event-list-0.1.1.3 Configuring midi-0.2.2.1... Building midi-0.2.2.1... Installed midi-0.2.2.1 Downloading jack-0.7.1.1... Configuring reactive-midyim-0.4... Configuring jack-0.7.1.1... Building reactive-midyim-0.4... Failed to install jack-0.7.1.1 Build log ( /home/builder/.cabal/logs/jack-0.7.1.1.log ): cabal: Entering directory '/tmp/cabal-tmp-2323/jack-0.7.1.1' Configuring jack-0.7.1.1... cabal: Missing dependency on a foreign library: * Missing (or bad) header file: jack/jack.h * Missing 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 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-2323/jack-0.7.1.1' Installed reactive-midyim-0.4 cabal: Error: some packages failed to install: jack-0.7.1.1 failed during the configure step. The exception was: ExitFailure 1 reactive-jack-0.4 depends on jack-0.7.1.1 which failed to install.