Resolving dependencies... Configuring protocol-buffers-0.0.1... Building protocol-buffers-0.0.1... Preprocessing library protocol-buffers-0.0.1... src/DescriptorProtos.hs:1:8: File name does not match module name: Saw: ‘DescriptorProtos.DescriptorProtos’ Expected: ‘DescriptorProtos’ Failed to install protocol-buffers-0.0.1 cabal: Error: some packages failed to install: protocol-buffers-0.0.1 failed during the building phase. The exception was: ExitFailure 1