Resolving dependencies... Configuring bindings-DSL-1.0.23... Building bindings-DSL-1.0.23... Preprocessing library bindings-DSL-1.0.23... [1 of 1] Compiling Bindings.Utilities ( Bindings/Utilities.hs, dist/build/Bindings/Utilities.o ) Bindings/Utilities.hs:2:1: Warning: Tab character Bindings/Utilities.hs:3:1: Warning: Tab character Bindings/Utilities.hs:32:1: Warning: Tab character Bindings/Utilities.hs:33:1: Warning: Tab character Bindings/Utilities.hs:34:1: Warning: Tab character Bindings/Utilities.hs:35:1: Warning: Tab character Bindings/Utilities.hs:36:1: Warning: Tab character Bindings/Utilities.hs:37:1: Warning: Tab character Bindings/Utilities.hs:38:1: Warning: Tab character Bindings/Utilities.hs:39:1: Warning: Tab character In-place registering bindings-DSL-1.0.23... Running Haddock for bindings-DSL-1.0.23... Running hscolour for bindings-DSL-1.0.23... Preprocessing library bindings-DSL-1.0.23... Preprocessing library bindings-DSL-1.0.23... Bindings/Utilities.hs:2:1: Warning: Tab character Bindings/Utilities.hs:3:1: Warning: Tab character Bindings/Utilities.hs:32:1: Warning: Tab character Bindings/Utilities.hs:33:1: Warning: Tab character Bindings/Utilities.hs:34:1: Warning: Tab character Bindings/Utilities.hs:35:1: Warning: Tab character Bindings/Utilities.hs:36:1: Warning: Tab character Bindings/Utilities.hs:37:1: Warning: Tab character Bindings/Utilities.hs:38:1: Warning: Tab character Bindings/Utilities.hs:39:1: Warning: Tab character Haddock coverage: 67% ( 2 / 3) in 'Bindings.Utilities' Missing documentation for: Module header Documentation created: dist/doc/html/bindings-DSL/index.html, dist/doc/html/bindings-DSL/bindings-DSL.txt Creating package registration file: /tmp/pkgConf-bindings-DSL-1.0278722862233665123.23 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.10.3/bindings-DSL-1.0.23-Es09zjDpTFQCqScuh7qYEQ Registering bindings-DSL-1.0.23... Installed bindings-DSL-1.0.23 Downloading bindings-wlc-0.1.0.0... Configuring bindings-wlc-0.1.0.0... cabal: Missing dependency on a foreign library: * Missing C library: wlc 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. Failed to install bindings-wlc-0.1.0.0 cabal: Error: some packages failed to install: bindings-wlc-0.1.0.0 failed during the configure step. The exception was: ExitFailure 1