Resolving dependencies... Configuring hoppy-runtime-0.2.1... Configuring binary-0.7.6.1... Building binary-0.7.6.1... Building hoppy-runtime-0.2.1... Installed hoppy-runtime-0.2.1 Configuring mtl-2.2.1... Building mtl-2.2.1... Configuring syb-0.6... Installed binary-0.7.6.1 Building syb-0.6... Installed mtl-2.2.1 Installed syb-0.6 Configuring haskell-src-1.0.2.0... Building haskell-src-1.0.2.0... Installed haskell-src-1.0.2.0 Configuring hoppy-generator-0.2.1... Building hoppy-generator-0.2.1... Installed hoppy-generator-0.2.1 Configuring hoppy-std-0.2.1... Building hoppy-std-0.2.1... Installed hoppy-std-0.2.1 Configuring qtah-generator-0.1.2... Failed to install qtah-generator-0.1.2 Build log ( /home/builder/.cabal/logs/qtah-generator-0.1.2.log ): cabal: Entering directory '/tmp/cabal-tmp-18857/qtah-generator-0.1.2' [1 of 1] Compiling Main ( /tmp/cabal-tmp-18857/qtah-generator-0.1.2/dist/setup/setup.hs, /tmp/cabal-tmp-18857/qtah-generator-0.1.2/dist/setup/Main.o ) Linking /tmp/cabal-tmp-18857/qtah-generator-0.1.2/dist/setup/setup ... Configuring qtah-generator-0.1.2... setup: The program 'qtah-listener-gen' is required but it could not be found cabal: Leaving directory '/tmp/cabal-tmp-18857/qtah-generator-0.1.2' cabal: Error: some packages failed to install: qtah-cpp-qt5-0.1.2 depends on qtah-generator-0.1.2 which failed to install. qtah-generator-0.1.2 failed during the configure step. The exception was: ExitFailure 1 qtah-qt5-0.1.0 depends on qtah-generator-0.1.2 which failed to install.