Resolving dependencies... Configuring cereal-0.5.7.0... Configuring data-default-class-0.1.2.0... Building cereal-0.5.7.0... Building data-default-class-0.1.2.0... Installed data-default-class-0.1.2.0 Configuring dlist-0.8.0.4... Building dlist-0.8.0.4... Installed dlist-0.8.0.4 Configuring hashable-1.2.7.0... Building hashable-1.2.7.0... Installed cereal-0.5.7.0 Configuring old-locale-1.0.0.7... Building old-locale-1.0.0.7... Installed old-locale-1.0.0.7 Configuring primitive-0.6.4.0... Building primitive-0.6.4.0... Installed hashable-1.2.7.0 Configuring split-0.2.3.3... Building split-0.2.3.3... Installed split-0.2.3.3 Configuring stm-2.4.5.1... Building stm-2.4.5.1... Installed stm-2.4.5.1 Configuring transformers-compat-0.6.2... Building transformers-compat-0.6.2... Installed transformers-compat-0.6.2 Configuring unliftio-core-0.1.2.0... Building unliftio-core-0.1.2.0... Installed unliftio-core-0.1.2.0 Configuring data-default-instances-containers-0.0.1... Building data-default-instances-containers-0.0.1... Installed primitive-0.6.4.0 Configuring data-default-instances-dlist-0.0.1... Building data-default-instances-dlist-0.0.1... Installed data-default-instances-containers-0.0.1 Configuring data-default-instances-old-locale-0.0.1... Installed data-default-instances-dlist-0.0.1 Configuring unordered-containers-0.2.9.0... Building data-default-instances-old-locale-0.0.1... Building unordered-containers-0.2.9.0... Installed data-default-instances-old-locale-0.0.1 Configuring async-2.2.1... Building async-2.2.1... Installed async-2.2.1 Configuring exceptions-0.10.0... Building exceptions-0.10.0... Installed exceptions-0.10.0 Configuring vector-0.12.0.1... Installed unordered-containers-0.2.9.0 Configuring data-default-0.7.1.1... Building vector-0.12.0.1... Building data-default-0.7.1.1... Installed data-default-0.7.1.1 Configuring unliftio-0.2.8.0... Building unliftio-0.2.8.0... Installed unliftio-0.2.8.0 Configuring resourcet-1.2.1... Building resourcet-1.2.1... Installed resourcet-1.2.1 Configuring rocksdb-haskell-1.0.1... Failed to install rocksdb-haskell-1.0.1 Build log ( /home/builder/.cabal/logs/ghc-8.4.3/rocksdb-haskell-1.0.1-J5pvfUTVUpW3FKtfeADhYT.log ): cabal: Entering directory '/tmp/cabal-tmp-29862/rocksdb-haskell-1.0.1' Configuring rocksdb-haskell-1.0.1... cabal: Missing dependency on a foreign library: * Missing (or bad) C library: rocksdb 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. cabal: Leaving directory '/tmp/cabal-tmp-29862/rocksdb-haskell-1.0.1' Installed vector-0.12.0.1 cabal: Error: some packages failed to install: rocksdb-haskell-1.0.1-J5pvfUTVUpW3FKtfeADhYT failed during the configure step. The exception was: ExitFailure 1 rocksdb-query-0.1.0-HtlH7YUPijvGiUdZY8S6PM depends on rocksdb-query-0.1.0 which failed to install.