Resolving dependencies... Downloading symengine-hs-0.1.1.0... Configuring symengine-hs-0.1.1.0... Failed to install symengine-hs-0.1.1.0 Build log ( /home/builder/.cabal/logs/symengine-hs-0.1.1.0.log ): cabal: Entering directory '/tmp/cabal-tmp-8345/symengine-hs-0.1.1.0' Configuring symengine-hs-0.1.1.0... cabal: Missing dependency on a foreign library: * Missing C library: symengine 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-8345/symengine-hs-0.1.1.0' cabal: Error: some packages failed to install: symengine-hs-0.1.1.0 failed during the configure step. The exception was: ExitFailure 1