Resolving dependencies... Configuring old-locale-1.0.0.7... Configuring text-1.2.2.1... Building old-locale-1.0.0.7... Building text-1.2.2.1... Installed old-locale-1.0.0.7 Configuring old-time-1.1.0.3... Building old-time-1.1.0.3... Installed old-time-1.1.0.3 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 haskell-src-exts-1.19.1... Building haskell-src-exts-1.19.1... Installed haskell-src-exts-1.19.1 Configuring trhsx-0.2.1... Building trhsx-0.2.1... Failed to install trhsx-0.2.1 Build log ( /home/builder/.cabal/logs/trhsx-0.2.1.log ): cabal: Entering directory '/tmp/cabal-tmp-19120/trhsx-0.2.1' Configuring trhsx-0.2.1... Building trhsx-0.2.1... Preprocessing executable 'trhsx' for trhsx-0.2.1... [1 of 1] Compiling Main ( Hsx.hs, dist/build/trhsx/trhsx-tmp/Main.o ) Hsx.hs:3:1: error: Failed to load interface for ‘Language.Haskell.Hsx’ Perhaps you meant Language.Haskell.TH (needs flag -package-key template-haskell-2.11.0.0) Language.Haskell.Exts (from haskell-src-exts-1.19.1) Language.Haskell.TH.Lib (needs flag -package-key template-haskell-2.11.0.0) Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-19120/trhsx-0.2.1' cabal: Error: some packages failed to install: trhsx-0.2.1 failed during the building phase. The exception was: ExitFailure 1