Resolving dependencies... Configuring data-flags-0.0.3.2... Configuring old-locale-1.0.0.7... Building old-locale-1.0.0.7... Building data-flags-0.0.3.2... Installed old-locale-1.0.0.7 Configuring text-1.2.2.1... Building text-1.2.2.1... Configuring utility-ht-0.0.12... Installed data-flags-0.0.3.2 Building utility-ht-0.0.12... Configuring old-time-1.1.0.3... Installed utility-ht-0.0.12 Building old-time-1.1.0.3... Configuring storable-record-0.0.3.1... Installed old-time-1.1.0.3 Building storable-record-0.0.3.1... Installed storable-record-0.0.3.1 Installed text-1.2.2.1 Configuring polyparse-1.12... Building polyparse-1.12... Installed polyparse-1.12 Configuring cpphs-1.20.2... Building cpphs-1.20.2... Installed cpphs-1.20.2 Configuring xkbcommon-0.0.2... Failed to install xkbcommon-0.0.2 Build log ( /home/builder/.cabal/logs/xkbcommon-0.0.2.log ): cabal: Entering directory '/tmp/cabal-tmp-12363/xkbcommon-0.0.2' cabal: Leaving directory '/tmp/cabal-tmp-12363/xkbcommon-0.0.2' cabal: Error: some packages failed to install: xkbcommon-0.0.2 failed during the configure step. The exception was: user error ('/opt/ghc/8.0.2/bin/ghc' exited with an error: /tmp/cabal-tmp-12363/xkbcommon-0.0.2/dist/setup/setup.hs:10:1: error: Failed to load interface for ‘Module’ It is a member of the hidden package ‘ghc-8.0.1.20161018’. Use -v to see a list of the files searched for. /tmp/cabal-tmp-12363/xkbcommon-0.0.2/dist/setup/setup.hs:11:1: error: Failed to load interface for ‘Utils’ Perhaps you meant Util (needs flag -package-key ghc-8.0.1.20161018) Use -v to see a list of the files searched for. )