Resolving dependencies... Configuring ansi-terminal-0.6.2.3... Configuring base-orphans-0.5.4... Building ansi-terminal-0.6.2.3... Building base-orphans-0.5.4... Installed base-orphans-0.5.4 Configuring byteable-0.1.1... Building byteable-0.1.1... Configuring memory-0.13... Installed ansi-terminal-0.6.2.3 Configuring mtl-2.2.1... Installed byteable-0.1.1 Building memory-0.13... Building mtl-2.2.1... Configuring primitive-0.6.1.0... Installed mtl-2.2.1 Building primitive-0.6.1.0... Configuring semigroups-0.18.2... Installed memory-0.13 Building semigroups-0.18.2... Configuring stm-2.4.4.1... Installed semigroups-0.18.2 Building stm-2.4.4.1... Configuring random-1.1... Installed primitive-0.6.1.0 Building random-1.1... Configuring transformers-compat-0.5.1.4... Installed stm-2.4.4.1 Building transformers-compat-0.5.1.4... Configuring text-1.2.2.1... Installed random-1.1 Building text-1.2.2.1... Installed transformers-compat-0.5.1.4 Configuring ansi-wl-pprint-0.6.7.3... Building ansi-wl-pprint-0.6.7.3... Configuring vector-0.11.0.0... Installed ansi-wl-pprint-0.6.7.3 Building vector-0.11.0.0... Configuring cryptonite-0.20... Installed text-1.2.2.1 Building cryptonite-0.20... Configuring StateVar-1.1.0.4... Installed vector-0.11.0.0 Building StateVar-1.1.0.4... Configuring tf-random-0.5... Installed StateVar-1.1.0.4 Building tf-random-0.5... Installed tf-random-0.5 Configuring hashable-1.2.4.0... Building hashable-1.2.4.0... Configuring parsec-3.1.11... Installed hashable-1.2.4.0 Building parsec-3.1.11... Configuring QuickCheck-2.9.2... Installed parsec-3.1.11 Building QuickCheck-2.9.2... Configuring scientific-0.3.4.9... Installed cryptonite-0.20 Building scientific-0.3.4.9... Configuring unordered-containers-0.2.7.1... Installed scientific-0.3.4.9 Building unordered-containers-0.2.7.1... Configuring void-0.7.1... Installed QuickCheck-2.9.2 Building void-0.7.1... Installed unordered-containers-0.2.7.1 Configuring cryptohash-0.11.9... Building cryptohash-0.11.9... Configuring charset-0.3.7.1... Installed void-0.7.1 Building charset-0.3.7.1... Configuring attoparsec-0.13.1.0... Installed cryptohash-0.11.9 Configuring contravariant-1.4... Installed charset-0.3.7.1 Building attoparsec-0.13.1.0... Building contravariant-1.4... Installed contravariant-1.4 Installed attoparsec-0.13.1.0 Configuring parsers-0.12.4... Building parsers-0.12.4... Installed parsers-0.12.4 Configuring inline-c-0.5.5.9... Building inline-c-0.5.5.9... Installed inline-c-0.5.5.9 Downloading clang-pure-0.1.0.2... Configuring clang-pure-0.1.0.2... Failed to install clang-pure-0.1.0.2 Build log ( /home/builder/.cabal/logs/clang-pure-0.1.0.2.log ): cabal: Entering directory '/tmp/cabal-tmp-2599/clang-pure-0.1.0.2' Configuring clang-pure-0.1.0.2... cabal: Missing dependency on a foreign library: * Missing C library: clang 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-2599/clang-pure-0.1.0.2' cabal: Error: some packages failed to install: clang-pure-0.1.0.2 failed during the configure step. The exception was: ExitFailure 1