Resolving dependencies... Configuring stream-fusion-0.1.2... Building stream-fusion-0.1.2... Failed to install stream-fusion-0.1.2 Build log ( /home/builder/.cabal/logs/stream-fusion-0.1.2.log ): cabal: Entering directory '/tmp/cabal-tmp-16233/stream-fusion-0.1.2' Configuring stream-fusion-0.1.2... Building stream-fusion-0.1.2... Preprocessing library stream-fusion-0.1.2... on the commandline: warning: -fglasgow-exts is deprecated: Use individual extensions instead on the commandline: warning: The -fvia-C flag does nothing; it will be removed in a future GHC release ghc: unrecognised flag: -fno-method-sharing Usage: For basic information, try the `--help' option. cabal: Leaving directory '/tmp/cabal-tmp-16233/stream-fusion-0.1.2' cabal: Error: some packages failed to install: stream-fusion-0.1.2 failed during the building phase. The exception was: ExitFailure 1